deno/cli/tsc/dts/typescript.d.ts
David Sherret 2fcf1f14cf
feat: TypeScript 5.0.2 (except decorators) (#18294)
This upgrades TypeScript to 5.0.2, but does not have ES decorator
support because swc does not support that yet.
2023-03-21 15:46:40 +00:00

7191 lines
391 KiB
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 {
namespace deno {
function setIsNodeSourceFileCallback(callback: IsNodeSourceFileCallback): void;
function setNodeBuiltInModuleNames(names: readonly string[]): void;
function setNodeOnlyGlobalNames(names: readonly string[]): void;
function createDenoForkContext({ mergeSymbol, globals, nodeGlobals, ambientModuleSymbolRegex, }: {
mergeSymbol(target: ts.Symbol, source: ts.Symbol, unidirectional?: boolean): ts.Symbol;
globals: ts.SymbolTable;
nodeGlobals: ts.SymbolTable;
ambientModuleSymbolRegex: RegExp;
}): {
hasNodeSourceFile: (node: ts.Node | undefined) => boolean;
getGlobalsForName: (id: ts.__String) => ts.SymbolTable;
mergeGlobalSymbolTable: (node: ts.Node, source: ts.SymbolTable, unidirectional?: boolean) => void;
combinedGlobals: ts.SymbolTable;
};
function tryParseNpmPackageReference(text: string): {
name: string;
versionReq: string | undefined;
subPath: string | undefined;
} | undefined;
function parseNpmPackageReference(text: string): {
name: string;
versionReq: string | undefined;
subPath: string | undefined;
};
type IsNodeSourceFileCallback = (sourceFile: ts.SourceFile) => boolean;
interface NpmPackageReference {
name: string;
versionReq: string;
subPath: string | undefined;
}
}
const versionMajorMinor = "5.0";
/** The version of the TypeScript compiler release */
const version: string;
/**
* 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;
}
type Path = string & {
__pathBrand: any;
};
interface TextRange {
pos: number;
end: number;
}
interface ReadonlyTextRange {
readonly pos: number;
readonly end: number;
}
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,
QuestionDotToken = 28,
LessThanToken = 29,
LessThanSlashToken = 30,
GreaterThanToken = 31,
LessThanEqualsToken = 32,
GreaterThanEqualsToken = 33,
EqualsEqualsToken = 34,
ExclamationEqualsToken = 35,
EqualsEqualsEqualsToken = 36,
ExclamationEqualsEqualsToken = 37,
EqualsGreaterThanToken = 38,
PlusToken = 39,
MinusToken = 40,
AsteriskToken = 41,
AsteriskAsteriskToken = 42,
SlashToken = 43,
PercentToken = 44,
PlusPlusToken = 45,
MinusMinusToken = 46,
LessThanLessThanToken = 47,
GreaterThanGreaterThanToken = 48,
GreaterThanGreaterThanGreaterThanToken = 49,
AmpersandToken = 50,
BarToken = 51,
CaretToken = 52,
ExclamationToken = 53,
TildeToken = 54,
AmpersandAmpersandToken = 55,
BarBarToken = 56,
QuestionToken = 57,
ColonToken = 58,
AtToken = 59,
QuestionQuestionToken = 60,
/** Only the JSDoc scanner produces BacktickToken. The normal scanner produces NoSubstitutionTemplateLiteral and related kinds. */
BacktickToken = 61,
/** Only the JSDoc scanner produces HashToken. The normal scanner produces PrivateIdentifier. */
HashToken = 62,
EqualsToken = 63,
PlusEqualsToken = 64,
MinusEqualsToken = 65,
AsteriskEqualsToken = 66,
AsteriskAsteriskEqualsToken = 67,
SlashEqualsToken = 68,
PercentEqualsToken = 69,
LessThanLessThanEqualsToken = 70,
GreaterThanGreaterThanEqualsToken = 71,
GreaterThanGreaterThanGreaterThanEqualsToken = 72,
AmpersandEqualsToken = 73,
BarEqualsToken = 74,
BarBarEqualsToken = 75,
AmpersandAmpersandEqualsToken = 76,
QuestionQuestionEqualsToken = 77,
CaretEqualsToken = 78,
Identifier = 79,
PrivateIdentifier = 80,
BreakKeyword = 81,
CaseKeyword = 82,
CatchKeyword = 83,
ClassKeyword = 84,
ConstKeyword = 85,
ContinueKeyword = 86,
DebuggerKeyword = 87,
DefaultKeyword = 88,
DeleteKeyword = 89,
DoKeyword = 90,
ElseKeyword = 91,
EnumKeyword = 92,
ExportKeyword = 93,
ExtendsKeyword = 94,
FalseKeyword = 95,
FinallyKeyword = 96,
ForKeyword = 97,
FunctionKeyword = 98,
IfKeyword = 99,
ImportKeyword = 100,
InKeyword = 101,
InstanceOfKeyword = 102,
NewKeyword = 103,
NullKeyword = 104,
ReturnKeyword = 105,
SuperKeyword = 106,
SwitchKeyword = 107,
ThisKeyword = 108,
ThrowKeyword = 109,
TrueKeyword = 110,
TryKeyword = 111,
TypeOfKeyword = 112,
VarKeyword = 113,
VoidKeyword = 114,
WhileKeyword = 115,
WithKeyword = 116,
ImplementsKeyword = 117,
InterfaceKeyword = 118,
LetKeyword = 119,
PackageKeyword = 120,
PrivateKeyword = 121,
ProtectedKeyword = 122,
PublicKeyword = 123,
StaticKeyword = 124,
YieldKeyword = 125,
AbstractKeyword = 126,
AccessorKeyword = 127,
AsKeyword = 128,
AssertsKeyword = 129,
AssertKeyword = 130,
AnyKeyword = 131,
AsyncKeyword = 132,
AwaitKeyword = 133,
BooleanKeyword = 134,
ConstructorKeyword = 135,
DeclareKeyword = 136,
GetKeyword = 137,
InferKeyword = 138,
IntrinsicKeyword = 139,
IsKeyword = 140,
KeyOfKeyword = 141,
ModuleKeyword = 142,
NamespaceKeyword = 143,
NeverKeyword = 144,
OutKeyword = 145,
ReadonlyKeyword = 146,
RequireKeyword = 147,
NumberKeyword = 148,
ObjectKeyword = 149,
SatisfiesKeyword = 150,
SetKeyword = 151,
StringKeyword = 152,
SymbolKeyword = 153,
TypeKeyword = 154,
UndefinedKeyword = 155,
UniqueKeyword = 156,
UnknownKeyword = 157,
FromKeyword = 158,
GlobalKeyword = 159,
BigIntKeyword = 160,
OverrideKeyword = 161,
OfKeyword = 162,
QualifiedName = 163,
ComputedPropertyName = 164,
TypeParameter = 165,
Parameter = 166,
Decorator = 167,
PropertySignature = 168,
PropertyDeclaration = 169,
MethodSignature = 170,
MethodDeclaration = 171,
ClassStaticBlockDeclaration = 172,
Constructor = 173,
GetAccessor = 174,
SetAccessor = 175,
CallSignature = 176,
ConstructSignature = 177,
IndexSignature = 178,
TypePredicate = 179,
TypeReference = 180,
FunctionType = 181,
ConstructorType = 182,
TypeQuery = 183,
TypeLiteral = 184,
ArrayType = 185,
TupleType = 186,
OptionalType = 187,
RestType = 188,
UnionType = 189,
IntersectionType = 190,
ConditionalType = 191,
InferType = 192,
ParenthesizedType = 193,
ThisType = 194,
TypeOperator = 195,
IndexedAccessType = 196,
MappedType = 197,
LiteralType = 198,
NamedTupleMember = 199,
TemplateLiteralType = 200,
TemplateLiteralTypeSpan = 201,
ImportType = 202,
ObjectBindingPattern = 203,
ArrayBindingPattern = 204,
BindingElement = 205,
ArrayLiteralExpression = 206,
ObjectLiteralExpression = 207,
PropertyAccessExpression = 208,
ElementAccessExpression = 209,
CallExpression = 210,
NewExpression = 211,
TaggedTemplateExpression = 212,
TypeAssertionExpression = 213,
ParenthesizedExpression = 214,
FunctionExpression = 215,
ArrowFunction = 216,
DeleteExpression = 217,
TypeOfExpression = 218,
VoidExpression = 219,
AwaitExpression = 220,
PrefixUnaryExpression = 221,
PostfixUnaryExpression = 222,
BinaryExpression = 223,
ConditionalExpression = 224,
TemplateExpression = 225,
YieldExpression = 226,
SpreadElement = 227,
ClassExpression = 228,
OmittedExpression = 229,
ExpressionWithTypeArguments = 230,
AsExpression = 231,
NonNullExpression = 232,
MetaProperty = 233,
SyntheticExpression = 234,
SatisfiesExpression = 235,
TemplateSpan = 236,
SemicolonClassElement = 237,
Block = 238,
EmptyStatement = 239,
VariableStatement = 240,
ExpressionStatement = 241,
IfStatement = 242,
DoStatement = 243,
WhileStatement = 244,
ForStatement = 245,
ForInStatement = 246,
ForOfStatement = 247,
ContinueStatement = 248,
BreakStatement = 249,
ReturnStatement = 250,
WithStatement = 251,
SwitchStatement = 252,
LabeledStatement = 253,
ThrowStatement = 254,
TryStatement = 255,
DebuggerStatement = 256,
VariableDeclaration = 257,
VariableDeclarationList = 258,
FunctionDeclaration = 259,
ClassDeclaration = 260,
InterfaceDeclaration = 261,
TypeAliasDeclaration = 262,
EnumDeclaration = 263,
ModuleDeclaration = 264,
ModuleBlock = 265,
CaseBlock = 266,
NamespaceExportDeclaration = 267,
ImportEqualsDeclaration = 268,
ImportDeclaration = 269,
ImportClause = 270,
NamespaceImport = 271,
NamedImports = 272,
ImportSpecifier = 273,
ExportAssignment = 274,
ExportDeclaration = 275,
NamedExports = 276,
NamespaceExport = 277,
ExportSpecifier = 278,
MissingDeclaration = 279,
ExternalModuleReference = 280,
JsxElement = 281,
JsxSelfClosingElement = 282,
JsxOpeningElement = 283,
JsxClosingElement = 284,
JsxFragment = 285,
JsxOpeningFragment = 286,
JsxClosingFragment = 287,
JsxAttribute = 288,
JsxAttributes = 289,
JsxSpreadAttribute = 290,
JsxExpression = 291,
CaseClause = 292,
DefaultClause = 293,
HeritageClause = 294,
CatchClause = 295,
AssertClause = 296,
AssertEntry = 297,
ImportTypeAssertionContainer = 298,
PropertyAssignment = 299,
ShorthandPropertyAssignment = 300,
SpreadAssignment = 301,
EnumMember = 302,
/** @deprecated */ UnparsedPrologue = 303,
/** @deprecated */ UnparsedPrepend = 304,
/** @deprecated */ UnparsedText = 305,
/** @deprecated */ UnparsedInternalText = 306,
/** @deprecated */ UnparsedSyntheticReference = 307,
SourceFile = 308,
Bundle = 309,
/** @deprecated */ UnparsedSource = 310,
/** @deprecated */ InputFiles = 311,
JSDocTypeExpression = 312,
JSDocNameReference = 313,
JSDocMemberName = 314,
JSDocAllType = 315,
JSDocUnknownType = 316,
JSDocNullableType = 317,
JSDocNonNullableType = 318,
JSDocOptionalType = 319,
JSDocFunctionType = 320,
JSDocVariadicType = 321,
JSDocNamepathType = 322,
JSDoc = 323,
/** @deprecated Use SyntaxKind.JSDoc */
JSDocComment = 323,
JSDocText = 324,
JSDocTypeLiteral = 325,
JSDocSignature = 326,
JSDocLink = 327,
JSDocLinkCode = 328,
JSDocLinkPlain = 329,
JSDocTag = 330,
JSDocAugmentsTag = 331,
JSDocImplementsTag = 332,
JSDocAuthorTag = 333,
JSDocDeprecatedTag = 334,
JSDocClassTag = 335,
JSDocPublicTag = 336,
JSDocPrivateTag = 337,
JSDocProtectedTag = 338,
JSDocReadonlyTag = 339,
JSDocOverrideTag = 340,
JSDocCallbackTag = 341,
JSDocOverloadTag = 342,
JSDocEnumTag = 343,
JSDocParameterTag = 344,
JSDocReturnTag = 345,
JSDocThisTag = 346,
JSDocTypeTag = 347,
JSDocTemplateTag = 348,
JSDocTypedefTag = 349,
JSDocSeeTag = 350,
JSDocPropertyTag = 351,
JSDocThrowsTag = 352,
JSDocSatisfiesTag = 353,
SyntaxList = 354,
NotEmittedStatement = 355,
PartiallyEmittedExpression = 356,
CommaListExpression = 357,
MergeDeclarationMarker = 358,
EndOfDeclarationMarker = 359,
SyntheticReferenceExpression = 360,
Count = 361,
FirstAssignment = 63,
LastAssignment = 78,
FirstCompoundAssignment = 64,
LastCompoundAssignment = 78,
FirstReservedWord = 81,
LastReservedWord = 116,
FirstKeyword = 81,
LastKeyword = 162,
FirstFutureReservedWord = 117,
LastFutureReservedWord = 125,
FirstTypeNode = 179,
LastTypeNode = 202,
FirstPunctuation = 18,
LastPunctuation = 78,
FirstToken = 0,
LastToken = 162,
FirstTriviaToken = 2,
LastTriviaToken = 7,
FirstLiteralToken = 8,
LastLiteralToken = 14,
FirstTemplateToken = 14,
LastTemplateToken = 17,
FirstBinaryOperator = 29,
LastBinaryOperator = 78,
FirstStatement = 240,
LastStatement = 256,
FirstNode = 163,
FirstJSDocNode = 312,
LastJSDocNode = 353,
FirstJSDocTagNode = 330,
LastJSDocTagNode = 353
}
type TriviaSyntaxKind = SyntaxKind.SingleLineCommentTrivia | SyntaxKind.MultiLineCommentTrivia | SyntaxKind.NewLineTrivia | SyntaxKind.WhitespaceTrivia | SyntaxKind.ShebangTrivia | SyntaxKind.ConflictMarkerTrivia;
type LiteralSyntaxKind = SyntaxKind.NumericLiteral | SyntaxKind.BigIntLiteral | SyntaxKind.StringLiteral | SyntaxKind.JsxText | SyntaxKind.JsxTextAllWhiteSpaces | SyntaxKind.RegularExpressionLiteral | SyntaxKind.NoSubstitutionTemplateLiteral;
type PseudoLiteralSyntaxKind = SyntaxKind.TemplateHead | SyntaxKind.TemplateMiddle | SyntaxKind.TemplateTail;
type PunctuationSyntaxKind = SyntaxKind.OpenBraceToken | SyntaxKind.CloseBraceToken | SyntaxKind.OpenParenToken | SyntaxKind.CloseParenToken | SyntaxKind.OpenBracketToken | SyntaxKind.CloseBracketToken | SyntaxKind.DotToken | SyntaxKind.DotDotDotToken | SyntaxKind.SemicolonToken | SyntaxKind.CommaToken | SyntaxKind.QuestionDotToken | SyntaxKind.LessThanToken | SyntaxKind.LessThanSlashToken | SyntaxKind.GreaterThanToken | SyntaxKind.LessThanEqualsToken | SyntaxKind.GreaterThanEqualsToken | SyntaxKind.EqualsEqualsToken | SyntaxKind.ExclamationEqualsToken | SyntaxKind.EqualsEqualsEqualsToken | SyntaxKind.ExclamationEqualsEqualsToken | SyntaxKind.EqualsGreaterThanToken | SyntaxKind.PlusToken | SyntaxKind.MinusToken | SyntaxKind.AsteriskToken | SyntaxKind.AsteriskAsteriskToken | SyntaxKind.SlashToken | SyntaxKind.PercentToken | SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken | SyntaxKind.LessThanLessThanToken | SyntaxKind.GreaterThanGreaterThanToken | SyntaxKind.GreaterThanGreaterThanGreaterThanToken | SyntaxKind.AmpersandToken | SyntaxKind.BarToken | SyntaxKind.CaretToken | SyntaxKind.ExclamationToken | SyntaxKind.TildeToken | SyntaxKind.AmpersandAmpersandToken | SyntaxKind.AmpersandAmpersandEqualsToken | SyntaxKind.BarBarToken | SyntaxKind.BarBarEqualsToken | SyntaxKind.QuestionQuestionToken | SyntaxKind.QuestionQuestionEqualsToken | SyntaxKind.QuestionToken | SyntaxKind.ColonToken | SyntaxKind.AtToken | SyntaxKind.BacktickToken | SyntaxKind.HashToken | SyntaxKind.EqualsToken | SyntaxKind.PlusEqualsToken | SyntaxKind.MinusEqualsToken | SyntaxKind.AsteriskEqualsToken | SyntaxKind.AsteriskAsteriskEqualsToken | SyntaxKind.SlashEqualsToken | SyntaxKind.PercentEqualsToken | SyntaxKind.LessThanLessThanEqualsToken | SyntaxKind.GreaterThanGreaterThanEqualsToken | SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken | SyntaxKind.AmpersandEqualsToken | SyntaxKind.BarEqualsToken | SyntaxKind.CaretEqualsToken;
type KeywordSyntaxKind = SyntaxKind.AbstractKeyword | SyntaxKind.AccessorKeyword | SyntaxKind.AnyKeyword | SyntaxKind.AsKeyword | SyntaxKind.AssertsKeyword | SyntaxKind.AssertKeyword | SyntaxKind.AsyncKeyword | SyntaxKind.AwaitKeyword | SyntaxKind.BigIntKeyword | SyntaxKind.BooleanKeyword | SyntaxKind.BreakKeyword | SyntaxKind.CaseKeyword | SyntaxKind.CatchKeyword | SyntaxKind.ClassKeyword | SyntaxKind.ConstKeyword | SyntaxKind.ConstructorKeyword | SyntaxKind.ContinueKeyword | 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.GlobalKeyword | SyntaxKind.IfKeyword | SyntaxKind.ImplementsKeyword | SyntaxKind.ImportKeyword | SyntaxKind.InferKeyword | SyntaxKind.InKeyword | SyntaxKind.InstanceOfKeyword | SyntaxKind.InterfaceKeyword | SyntaxKind.IntrinsicKeyword | SyntaxKind.IsKeyword | SyntaxKind.KeyOfKeyword | SyntaxKind.LetKeyword | SyntaxKind.ModuleKeyword | SyntaxKind.NamespaceKeyword | SyntaxKind.NeverKeyword | SyntaxKind.NewKeyword | SyntaxKind.NullKeyword | SyntaxKind.NumberKeyword | SyntaxKind.ObjectKeyword | SyntaxKind.OfKeyword | SyntaxKind.PackageKeyword | SyntaxKind.PrivateKeyword | SyntaxKind.ProtectedKeyword | SyntaxKind.PublicKeyword | SyntaxKind.ReadonlyKeyword | SyntaxKind.OutKeyword | SyntaxKind.OverrideKeyword | SyntaxKind.RequireKeyword | SyntaxKind.ReturnKeyword | SyntaxKind.SatisfiesKeyword | 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;
type ModifierSyntaxKind = SyntaxKind.AbstractKeyword | SyntaxKind.AccessorKeyword | SyntaxKind.AsyncKeyword | SyntaxKind.ConstKeyword | SyntaxKind.DeclareKeyword | SyntaxKind.DefaultKeyword | SyntaxKind.ExportKeyword | SyntaxKind.InKeyword | SyntaxKind.PrivateKeyword | SyntaxKind.ProtectedKeyword | SyntaxKind.PublicKeyword | SyntaxKind.ReadonlyKeyword | SyntaxKind.OutKeyword | SyntaxKind.OverrideKeyword | SyntaxKind.StaticKeyword;
type KeywordTypeSyntaxKind = SyntaxKind.AnyKeyword | SyntaxKind.BigIntKeyword | SyntaxKind.BooleanKeyword | SyntaxKind.IntrinsicKeyword | SyntaxKind.NeverKeyword | SyntaxKind.NumberKeyword | SyntaxKind.ObjectKeyword | SyntaxKind.StringKeyword | SyntaxKind.SymbolKeyword | SyntaxKind.UndefinedKeyword | SyntaxKind.UnknownKeyword | SyntaxKind.VoidKeyword;
type TokenSyntaxKind = SyntaxKind.Unknown | SyntaxKind.EndOfFileToken | TriviaSyntaxKind | LiteralSyntaxKind | PseudoLiteralSyntaxKind | PunctuationSyntaxKind | SyntaxKind.Identifier | KeywordSyntaxKind;
type JsxTokenSyntaxKind = SyntaxKind.LessThanSlashToken | SyntaxKind.EndOfFileToken | SyntaxKind.ConflictMarkerTrivia | SyntaxKind.JsxText | SyntaxKind.JsxTextAllWhiteSpaces | SyntaxKind.OpenBraceToken | SyntaxKind.LessThanToken;
type JSDocSyntaxKind = SyntaxKind.EndOfFileToken | SyntaxKind.WhitespaceTrivia | SyntaxKind.AtToken | SyntaxKind.NewLineTrivia | SyntaxKind.AsteriskToken | SyntaxKind.OpenBraceToken | SyntaxKind.CloseBraceToken | SyntaxKind.LessThanToken | SyntaxKind.GreaterThanToken | SyntaxKind.OpenBracketToken | SyntaxKind.CloseBracketToken | SyntaxKind.EqualsToken | SyntaxKind.CommaToken | SyntaxKind.DotToken | SyntaxKind.Identifier | SyntaxKind.BacktickToken | SyntaxKind.HashToken | SyntaxKind.Unknown | KeywordSyntaxKind;
enum NodeFlags {
None = 0,
Let = 1,
Const = 2,
NestedNamespace = 4,
Synthesized = 8,
Namespace = 16,
OptionalChain = 32,
ExportContext = 64,
ContainsThis = 128,
HasImplicitReturn = 256,
HasExplicitReturn = 512,
GlobalAugmentation = 1024,
HasAsyncFunctions = 2048,
DisallowInContext = 4096,
YieldContext = 8192,
DecoratorContext = 16384,
AwaitContext = 32768,
DisallowConditionalTypesContext = 65536,
ThisNodeHasError = 131072,
JavaScriptFile = 262144,
ThisNodeOrAnySubNodesHasError = 524288,
HasAggregatedChildData = 1048576,
JSDoc = 8388608,
JsonFile = 67108864,
BlockScoped = 3,
ReachabilityCheckFlags = 768,
ReachabilityAndEmitFlags = 2816,
ContextFlags = 50720768,
TypeExcludesFlags = 40960
}
enum ModifierFlags {
None = 0,
Export = 1,
Ambient = 2,
Public = 4,
Private = 8,
Protected = 16,
Static = 32,
Readonly = 64,
Accessor = 128,
Abstract = 256,
Async = 512,
Default = 1024,
Const = 2048,
HasComputedJSDocModifiers = 4096,
Deprecated = 8192,
Override = 16384,
In = 32768,
Out = 65536,
Decorator = 131072,
HasComputedFlags = 536870912,
AccessibilityModifier = 28,
ParameterPropertyModifier = 16476,
NonPublicAccessibilityModifier = 24,
TypeScriptModifier = 117086,
ExportDefault = 1025,
All = 258047,
Modifier = 126975
}
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 ReadonlyTextRange {
readonly kind: SyntaxKind;
readonly flags: NodeFlags;
readonly parent: Node;
}
interface Node {
getSourceFile(): SourceFile;
getChildCount(sourceFile?: SourceFile): number;
getChildAt(index: number, sourceFile?: SourceFile): Node;
getChildren(sourceFile?: SourceFile): Node[];
getStart(sourceFile?: SourceFile, includeJsDocComment?: boolean): number;
getFullStart(): number;
getEnd(): number;
getWidth(sourceFile?: SourceFileLike): number;
getFullWidth(): number;
getLeadingTriviaWidth(sourceFile?: SourceFile): number;
getFullText(sourceFile?: SourceFile): string;
getText(sourceFile?: SourceFile): string;
getFirstToken(sourceFile?: SourceFile): Node | undefined;
getLastToken(sourceFile?: SourceFile): Node | undefined;
forEachChild<T>(cbNode: (node: Node) => T | undefined, cbNodeArray?: (nodes: NodeArray<Node>) => T | undefined): T | undefined;
}
interface JSDocContainer extends Node {
_jsdocContainerBrand: any;
}
interface LocalsContainer extends Node {
_localsContainerBrand: any;
}
interface FlowContainer extends Node {
_flowContainerBrand: any;
}
type HasJSDoc = AccessorDeclaration | ArrowFunction | BinaryExpression | Block | BreakStatement | CallSignatureDeclaration | CaseClause | ClassLikeDeclaration | ClassStaticBlockDeclaration | ConstructorDeclaration | ConstructorTypeNode | ConstructSignatureDeclaration | ContinueStatement | DebuggerStatement | DoStatement | ElementAccessExpression | EmptyStatement | EndOfFileToken | EnumDeclaration | EnumMember | ExportAssignment | ExportDeclaration | ExportSpecifier | ExpressionStatement | ForInStatement | ForOfStatement | ForStatement | FunctionDeclaration | FunctionExpression | FunctionTypeNode | Identifier | IfStatement | ImportDeclaration | ImportEqualsDeclaration | IndexSignatureDeclaration | InterfaceDeclaration | JSDocFunctionType | JSDocSignature | LabeledStatement | MethodDeclaration | MethodSignature | ModuleDeclaration | NamedTupleMember | NamespaceExportDeclaration | ObjectLiteralExpression | ParameterDeclaration | ParenthesizedExpression | PropertyAccessExpression | PropertyAssignment | PropertyDeclaration | PropertySignature | ReturnStatement | ShorthandPropertyAssignment | SpreadAssignment | SwitchStatement | ThrowStatement | TryStatement | TypeAliasDeclaration | TypeParameterDeclaration | VariableDeclaration | VariableStatement | WhileStatement | WithStatement;
type HasType = SignatureDeclaration | VariableDeclaration | ParameterDeclaration | PropertySignature | PropertyDeclaration | TypePredicateNode | ParenthesizedTypeNode | TypeOperatorNode | MappedTypeNode | AssertionExpression | TypeAliasDeclaration | JSDocTypeExpression | JSDocNonNullableType | JSDocNullableType | JSDocOptionalType | JSDocVariadicType;
type HasTypeArguments = CallExpression | NewExpression | TaggedTemplateExpression | JsxOpeningElement | JsxSelfClosingElement;
type HasInitializer = HasExpressionInitializer | ForStatement | ForInStatement | ForOfStatement | JsxAttribute;
type HasExpressionInitializer = VariableDeclaration | ParameterDeclaration | BindingElement | PropertyDeclaration | PropertyAssignment | EnumMember;
type HasDecorators = ParameterDeclaration | PropertyDeclaration | MethodDeclaration | GetAccessorDeclaration | SetAccessorDeclaration | ClassExpression | ClassDeclaration;
type HasModifiers = TypeParameterDeclaration | ParameterDeclaration | ConstructorTypeNode | PropertySignature | PropertyDeclaration | MethodSignature | MethodDeclaration | ConstructorDeclaration | GetAccessorDeclaration | SetAccessorDeclaration | IndexSignatureDeclaration | FunctionExpression | ArrowFunction | ClassExpression | VariableStatement | FunctionDeclaration | ClassDeclaration | InterfaceDeclaration | TypeAliasDeclaration | EnumDeclaration | ModuleDeclaration | ImportEqualsDeclaration | ImportDeclaration | ExportAssignment | ExportDeclaration;
interface NodeArray<T extends Node> extends ReadonlyArray<T>, ReadonlyTextRange {
readonly hasTrailingComma: boolean;
}
interface Token<TKind extends SyntaxKind> extends Node {
readonly kind: TKind;
}
type EndOfFileToken = Token<SyntaxKind.EndOfFileToken> & JSDocContainer;
interface PunctuationToken<TKind extends PunctuationSyntaxKind> extends Token<TKind> {
}
type DotToken = PunctuationToken<SyntaxKind.DotToken>;
type DotDotDotToken = PunctuationToken<SyntaxKind.DotDotDotToken>;
type QuestionToken = PunctuationToken<SyntaxKind.QuestionToken>;
type ExclamationToken = PunctuationToken<SyntaxKind.ExclamationToken>;
type ColonToken = PunctuationToken<SyntaxKind.ColonToken>;
type EqualsToken = PunctuationToken<SyntaxKind.EqualsToken>;
type AmpersandAmpersandEqualsToken = PunctuationToken<SyntaxKind.AmpersandAmpersandEqualsToken>;
type BarBarEqualsToken = PunctuationToken<SyntaxKind.BarBarEqualsToken>;
type QuestionQuestionEqualsToken = PunctuationToken<SyntaxKind.QuestionQuestionEqualsToken>;
type AsteriskToken = PunctuationToken<SyntaxKind.AsteriskToken>;
type EqualsGreaterThanToken = PunctuationToken<SyntaxKind.EqualsGreaterThanToken>;
type PlusToken = PunctuationToken<SyntaxKind.PlusToken>;
type MinusToken = PunctuationToken<SyntaxKind.MinusToken>;
type QuestionDotToken = PunctuationToken<SyntaxKind.QuestionDotToken>;
interface KeywordToken<TKind extends KeywordSyntaxKind> extends Token<TKind> {
}
type AssertsKeyword = KeywordToken<SyntaxKind.AssertsKeyword>;
type AssertKeyword = KeywordToken<SyntaxKind.AssertKeyword>;
type AwaitKeyword = KeywordToken<SyntaxKind.AwaitKeyword>;
type CaseKeyword = KeywordToken<SyntaxKind.CaseKeyword>;
interface ModifierToken<TKind extends ModifierSyntaxKind> extends KeywordToken<TKind> {
}
type AbstractKeyword = ModifierToken<SyntaxKind.AbstractKeyword>;
type AccessorKeyword = ModifierToken<SyntaxKind.AccessorKeyword>;
type AsyncKeyword = ModifierToken<SyntaxKind.AsyncKeyword>;
type ConstKeyword = ModifierToken<SyntaxKind.ConstKeyword>;
type DeclareKeyword = ModifierToken<SyntaxKind.DeclareKeyword>;
type DefaultKeyword = ModifierToken<SyntaxKind.DefaultKeyword>;
type ExportKeyword = ModifierToken<SyntaxKind.ExportKeyword>;
type InKeyword = ModifierToken<SyntaxKind.InKeyword>;
type PrivateKeyword = ModifierToken<SyntaxKind.PrivateKeyword>;
type ProtectedKeyword = ModifierToken<SyntaxKind.ProtectedKeyword>;
type PublicKeyword = ModifierToken<SyntaxKind.PublicKeyword>;
type ReadonlyKeyword = ModifierToken<SyntaxKind.ReadonlyKeyword>;
type OutKeyword = ModifierToken<SyntaxKind.OutKeyword>;
type OverrideKeyword = ModifierToken<SyntaxKind.OverrideKeyword>;
type StaticKeyword = ModifierToken<SyntaxKind.StaticKeyword>;
type Modifier = AbstractKeyword | AccessorKeyword | AsyncKeyword | ConstKeyword | DeclareKeyword | DefaultKeyword | ExportKeyword | InKeyword | PrivateKeyword | ProtectedKeyword | PublicKeyword | OutKeyword | OverrideKeyword | ReadonlyKeyword | StaticKeyword;
type ModifierLike = Modifier | Decorator;
type AccessibilityModifier = PublicKeyword | PrivateKeyword | ProtectedKeyword;
type ParameterPropertyModifier = AccessibilityModifier | ReadonlyKeyword;
type ClassMemberModifier = AccessibilityModifier | ReadonlyKeyword | StaticKeyword | AccessorKeyword;
type ModifiersArray = NodeArray<Modifier>;
enum GeneratedIdentifierFlags {
None = 0,
ReservedInNestedScopes = 8,
Optimistic = 16,
FileLevel = 32,
AllowNameSubstitution = 64
}
interface Identifier extends PrimaryExpression, Declaration, JSDocContainer, FlowContainer {
readonly 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.
*/
readonly escapedText: __String;
}
interface Identifier {
readonly text: string;
}
interface Identifier {
/** @deprecated Use `idKeyword(identifier)` instead. */
readonly originalKeywordKind?: SyntaxKind;
/** @deprecated Use `.parent` or the surrounding context to determine this instead. */
readonly isInJSDocNamespace?: boolean;
}
interface TransientIdentifier extends Identifier {
resolvedSymbol: Symbol;
}
interface QualifiedName extends Node, FlowContainer {
readonly kind: SyntaxKind.QualifiedName;
readonly left: EntityName;
readonly right: Identifier;
}
type EntityName = Identifier | QualifiedName;
type PropertyName = Identifier | StringLiteral | NumericLiteral | ComputedPropertyName | PrivateIdentifier;
type MemberName = Identifier | PrivateIdentifier;
type DeclarationName = Identifier | PrivateIdentifier | StringLiteralLike | NumericLiteral | ComputedPropertyName | ElementAccessExpression | BindingPattern | EntityNameExpression;
interface Declaration extends Node {
_declarationBrand: any;
}
interface NamedDeclaration extends Declaration {
readonly name?: DeclarationName;
}
interface DeclarationStatement extends NamedDeclaration, Statement {
readonly name?: Identifier | StringLiteral | NumericLiteral;
}
interface ComputedPropertyName extends Node {
readonly kind: SyntaxKind.ComputedPropertyName;
readonly parent: Declaration;
readonly expression: Expression;
}
interface PrivateIdentifier extends PrimaryExpression {
readonly kind: SyntaxKind.PrivateIdentifier;
readonly escapedText: __String;
}
interface PrivateIdentifier {
readonly text: string;
}
interface Decorator extends Node {
readonly kind: SyntaxKind.Decorator;
readonly parent: NamedDeclaration;
readonly expression: LeftHandSideExpression;
}
interface TypeParameterDeclaration extends NamedDeclaration, JSDocContainer {
readonly kind: SyntaxKind.TypeParameter;
readonly parent: DeclarationWithTypeParameterChildren | InferTypeNode;
readonly modifiers?: NodeArray<Modifier>;
readonly name: Identifier;
/** Note: Consider calling `getEffectiveConstraintOfTypeParameter` */
readonly constraint?: TypeNode;
readonly default?: TypeNode;
expression?: Expression;
}
interface SignatureDeclarationBase extends NamedDeclaration, JSDocContainer {
readonly kind: SignatureDeclaration["kind"];
readonly name?: PropertyName;
readonly typeParameters?: NodeArray<TypeParameterDeclaration> | undefined;
readonly parameters: NodeArray<ParameterDeclaration>;
readonly type?: TypeNode | undefined;
}
type SignatureDeclaration = CallSignatureDeclaration | ConstructSignatureDeclaration | MethodSignature | IndexSignatureDeclaration | FunctionTypeNode | ConstructorTypeNode | JSDocFunctionType | FunctionDeclaration | MethodDeclaration | ConstructorDeclaration | AccessorDeclaration | FunctionExpression | ArrowFunction;
interface CallSignatureDeclaration extends SignatureDeclarationBase, TypeElement, LocalsContainer {
readonly kind: SyntaxKind.CallSignature;
}
interface ConstructSignatureDeclaration extends SignatureDeclarationBase, TypeElement, LocalsContainer {
readonly kind: SyntaxKind.ConstructSignature;
}
type BindingName = Identifier | BindingPattern;
interface VariableDeclaration extends NamedDeclaration, JSDocContainer {
readonly kind: SyntaxKind.VariableDeclaration;
readonly parent: VariableDeclarationList | CatchClause;
readonly name: BindingName;
readonly exclamationToken?: ExclamationToken;
readonly type?: TypeNode;
readonly initializer?: Expression;
}
interface VariableDeclarationList extends Node {
readonly kind: SyntaxKind.VariableDeclarationList;
readonly parent: VariableStatement | ForStatement | ForOfStatement | ForInStatement;
readonly declarations: NodeArray<VariableDeclaration>;
}
interface ParameterDeclaration extends NamedDeclaration, JSDocContainer {
readonly kind: SyntaxKind.Parameter;
readonly parent: SignatureDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
readonly dotDotDotToken?: DotDotDotToken;
readonly name: BindingName;
readonly questionToken?: QuestionToken;
readonly type?: TypeNode;
readonly initializer?: Expression;
}
interface BindingElement extends NamedDeclaration, FlowContainer {
readonly kind: SyntaxKind.BindingElement;
readonly parent: BindingPattern;
readonly propertyName?: PropertyName;
readonly dotDotDotToken?: DotDotDotToken;
readonly name: BindingName;
readonly initializer?: Expression;
}
interface PropertySignature extends TypeElement, JSDocContainer {
readonly kind: SyntaxKind.PropertySignature;
readonly parent: TypeLiteralNode | InterfaceDeclaration;
readonly modifiers?: NodeArray<Modifier>;
readonly name: PropertyName;
readonly questionToken?: QuestionToken;
readonly type?: TypeNode;
}
interface PropertyDeclaration extends ClassElement, JSDocContainer {
readonly kind: SyntaxKind.PropertyDeclaration;
readonly parent: ClassLikeDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
readonly name: PropertyName;
readonly questionToken?: QuestionToken;
readonly exclamationToken?: ExclamationToken;
readonly type?: TypeNode;
readonly initializer?: Expression;
}
interface AutoAccessorPropertyDeclaration extends PropertyDeclaration {
_autoAccessorBrand: any;
}
interface ObjectLiteralElement extends NamedDeclaration {
_objectLiteralBrand: any;
readonly name?: PropertyName;
}
/** Unlike ObjectLiteralElement, excludes JSXAttribute and JSXSpreadAttribute. */
type ObjectLiteralElementLike = PropertyAssignment | ShorthandPropertyAssignment | SpreadAssignment | MethodDeclaration | AccessorDeclaration;
interface PropertyAssignment extends ObjectLiteralElement, JSDocContainer {
readonly kind: SyntaxKind.PropertyAssignment;
readonly parent: ObjectLiteralExpression;
readonly name: PropertyName;
readonly initializer: Expression;
}
interface ShorthandPropertyAssignment extends ObjectLiteralElement, JSDocContainer {
readonly kind: SyntaxKind.ShorthandPropertyAssignment;
readonly parent: ObjectLiteralExpression;
readonly name: Identifier;
readonly equalsToken?: EqualsToken;
readonly objectAssignmentInitializer?: Expression;
}
interface SpreadAssignment extends ObjectLiteralElement, JSDocContainer {
readonly kind: SyntaxKind.SpreadAssignment;
readonly parent: ObjectLiteralExpression;
readonly expression: Expression;
}
type VariableLikeDeclaration = VariableDeclaration | ParameterDeclaration | BindingElement | PropertyDeclaration | PropertyAssignment | PropertySignature | JsxAttribute | ShorthandPropertyAssignment | EnumMember | JSDocPropertyTag | JSDocParameterTag;
interface ObjectBindingPattern extends Node {
readonly kind: SyntaxKind.ObjectBindingPattern;
readonly parent: VariableDeclaration | ParameterDeclaration | BindingElement;
readonly elements: NodeArray<BindingElement>;
}
interface ArrayBindingPattern extends Node {
readonly kind: SyntaxKind.ArrayBindingPattern;
readonly parent: VariableDeclaration | ParameterDeclaration | BindingElement;
readonly 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;
readonly asteriskToken?: AsteriskToken | undefined;
readonly questionToken?: QuestionToken | undefined;
readonly exclamationToken?: ExclamationToken | undefined;
readonly body?: Block | Expression | undefined;
}
type FunctionLikeDeclaration = FunctionDeclaration | MethodDeclaration | GetAccessorDeclaration | SetAccessorDeclaration | ConstructorDeclaration | FunctionExpression | ArrowFunction;
/** @deprecated Use SignatureDeclaration */
type FunctionLike = SignatureDeclaration;
interface FunctionDeclaration extends FunctionLikeDeclarationBase, DeclarationStatement, LocalsContainer {
readonly kind: SyntaxKind.FunctionDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
readonly name?: Identifier;
readonly body?: FunctionBody;
}
interface MethodSignature extends SignatureDeclarationBase, TypeElement, LocalsContainer {
readonly kind: SyntaxKind.MethodSignature;
readonly parent: TypeLiteralNode | InterfaceDeclaration;
readonly modifiers?: NodeArray<Modifier>;
readonly name: PropertyName;
}
interface MethodDeclaration extends FunctionLikeDeclarationBase, ClassElement, ObjectLiteralElement, JSDocContainer, LocalsContainer, FlowContainer {
readonly kind: SyntaxKind.MethodDeclaration;
readonly parent: ClassLikeDeclaration | ObjectLiteralExpression;
readonly modifiers?: NodeArray<ModifierLike> | undefined;
readonly name: PropertyName;
readonly body?: FunctionBody | undefined;
}
interface ConstructorDeclaration extends FunctionLikeDeclarationBase, ClassElement, JSDocContainer, LocalsContainer {
readonly kind: SyntaxKind.Constructor;
readonly parent: ClassLikeDeclaration;
readonly modifiers?: NodeArray<ModifierLike> | undefined;
readonly body?: FunctionBody | undefined;
}
/** For when we encounter a semicolon in a class declaration. ES6 allows these as class elements. */
interface SemicolonClassElement extends ClassElement {
readonly kind: SyntaxKind.SemicolonClassElement;
readonly parent: ClassLikeDeclaration;
}
interface GetAccessorDeclaration extends FunctionLikeDeclarationBase, ClassElement, TypeElement, ObjectLiteralElement, JSDocContainer, LocalsContainer, FlowContainer {
readonly kind: SyntaxKind.GetAccessor;
readonly parent: ClassLikeDeclaration | ObjectLiteralExpression | TypeLiteralNode | InterfaceDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
readonly name: PropertyName;
readonly body?: FunctionBody;
}
interface SetAccessorDeclaration extends FunctionLikeDeclarationBase, ClassElement, TypeElement, ObjectLiteralElement, JSDocContainer, LocalsContainer, FlowContainer {
readonly kind: SyntaxKind.SetAccessor;
readonly parent: ClassLikeDeclaration | ObjectLiteralExpression | TypeLiteralNode | InterfaceDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
readonly name: PropertyName;
readonly body?: FunctionBody;
}
type AccessorDeclaration = GetAccessorDeclaration | SetAccessorDeclaration;
interface IndexSignatureDeclaration extends SignatureDeclarationBase, ClassElement, TypeElement, LocalsContainer {
readonly kind: SyntaxKind.IndexSignature;
readonly parent: ObjectTypeDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
readonly type: TypeNode;
}
interface ClassStaticBlockDeclaration extends ClassElement, JSDocContainer, LocalsContainer {
readonly kind: SyntaxKind.ClassStaticBlockDeclaration;
readonly parent: ClassDeclaration | ClassExpression;
readonly body: Block;
}
interface TypeNode extends Node {
_typeNodeBrand: any;
}
interface KeywordTypeNode<TKind extends KeywordTypeSyntaxKind = KeywordTypeSyntaxKind> extends KeywordToken<TKind>, TypeNode {
readonly kind: TKind;
}
interface ImportTypeAssertionContainer extends Node {
readonly kind: SyntaxKind.ImportTypeAssertionContainer;
readonly parent: ImportTypeNode;
readonly assertClause: AssertClause;
readonly multiLine?: boolean;
}
interface ImportTypeNode extends NodeWithTypeArguments {
readonly kind: SyntaxKind.ImportType;
readonly isTypeOf: boolean;
readonly argument: TypeNode;
readonly assertions?: ImportTypeAssertionContainer;
readonly qualifier?: EntityName;
}
interface ThisTypeNode extends TypeNode {
readonly kind: SyntaxKind.ThisType;
}
type FunctionOrConstructorTypeNode = FunctionTypeNode | ConstructorTypeNode;
interface FunctionOrConstructorTypeNodeBase extends TypeNode, SignatureDeclarationBase {
readonly kind: SyntaxKind.FunctionType | SyntaxKind.ConstructorType;
readonly type: TypeNode;
}
interface FunctionTypeNode extends FunctionOrConstructorTypeNodeBase, LocalsContainer {
readonly kind: SyntaxKind.FunctionType;
}
interface ConstructorTypeNode extends FunctionOrConstructorTypeNodeBase, LocalsContainer {
readonly kind: SyntaxKind.ConstructorType;
readonly modifiers?: NodeArray<Modifier>;
}
interface NodeWithTypeArguments extends TypeNode {
readonly typeArguments?: NodeArray<TypeNode>;
}
type TypeReferenceType = TypeReferenceNode | ExpressionWithTypeArguments;
interface TypeReferenceNode extends NodeWithTypeArguments {
readonly kind: SyntaxKind.TypeReference;
readonly typeName: EntityName;
}
interface TypePredicateNode extends TypeNode {
readonly kind: SyntaxKind.TypePredicate;
readonly parent: SignatureDeclaration | JSDocTypeExpression;
readonly assertsModifier?: AssertsKeyword;
readonly parameterName: Identifier | ThisTypeNode;
readonly type?: TypeNode;
}
interface TypeQueryNode extends NodeWithTypeArguments {
readonly kind: SyntaxKind.TypeQuery;
readonly exprName: EntityName;
}
interface TypeLiteralNode extends TypeNode, Declaration {
readonly kind: SyntaxKind.TypeLiteral;
readonly members: NodeArray<TypeElement>;
}
interface ArrayTypeNode extends TypeNode {
readonly kind: SyntaxKind.ArrayType;
readonly elementType: TypeNode;
}
interface TupleTypeNode extends TypeNode {
readonly kind: SyntaxKind.TupleType;
readonly elements: NodeArray<TypeNode | NamedTupleMember>;
}
interface NamedTupleMember extends TypeNode, Declaration, JSDocContainer {
readonly kind: SyntaxKind.NamedTupleMember;
readonly dotDotDotToken?: Token<SyntaxKind.DotDotDotToken>;
readonly name: Identifier;
readonly questionToken?: Token<SyntaxKind.QuestionToken>;
readonly type: TypeNode;
}
interface OptionalTypeNode extends TypeNode {
readonly kind: SyntaxKind.OptionalType;
readonly type: TypeNode;
}
interface RestTypeNode extends TypeNode {
readonly kind: SyntaxKind.RestType;
readonly type: TypeNode;
}
type UnionOrIntersectionTypeNode = UnionTypeNode | IntersectionTypeNode;
interface UnionTypeNode extends TypeNode {
readonly kind: SyntaxKind.UnionType;
readonly types: NodeArray<TypeNode>;
}
interface IntersectionTypeNode extends TypeNode {
readonly kind: SyntaxKind.IntersectionType;
readonly types: NodeArray<TypeNode>;
}
interface ConditionalTypeNode extends TypeNode, LocalsContainer {
readonly kind: SyntaxKind.ConditionalType;
readonly checkType: TypeNode;
readonly extendsType: TypeNode;
readonly trueType: TypeNode;
readonly falseType: TypeNode;
}
interface InferTypeNode extends TypeNode {
readonly kind: SyntaxKind.InferType;
readonly typeParameter: TypeParameterDeclaration;
}
interface ParenthesizedTypeNode extends TypeNode {
readonly kind: SyntaxKind.ParenthesizedType;
readonly type: TypeNode;
}
interface TypeOperatorNode extends TypeNode {
readonly kind: SyntaxKind.TypeOperator;
readonly operator: SyntaxKind.KeyOfKeyword | SyntaxKind.UniqueKeyword | SyntaxKind.ReadonlyKeyword;
readonly type: TypeNode;
}
interface IndexedAccessTypeNode extends TypeNode {
readonly kind: SyntaxKind.IndexedAccessType;
readonly objectType: TypeNode;
readonly indexType: TypeNode;
}
interface MappedTypeNode extends TypeNode, Declaration, LocalsContainer {
readonly kind: SyntaxKind.MappedType;
readonly readonlyToken?: ReadonlyKeyword | PlusToken | MinusToken;
readonly typeParameter: TypeParameterDeclaration;
readonly nameType?: TypeNode;
readonly questionToken?: QuestionToken | PlusToken | MinusToken;
readonly type?: TypeNode;
/** Used only to produce grammar errors */
readonly members?: NodeArray<TypeElement>;
}
interface LiteralTypeNode extends TypeNode {
readonly kind: SyntaxKind.LiteralType;
readonly literal: NullLiteral | BooleanLiteral | LiteralExpression | PrefixUnaryExpression;
}
interface StringLiteral extends LiteralExpression, Declaration {
readonly kind: SyntaxKind.StringLiteral;
}
type StringLiteralLike = StringLiteral | NoSubstitutionTemplateLiteral;
type PropertyNameLiteral = Identifier | StringLiteralLike | NumericLiteral;
interface TemplateLiteralTypeNode extends TypeNode {
kind: SyntaxKind.TemplateLiteralType;
readonly head: TemplateHead;
readonly templateSpans: NodeArray<TemplateLiteralTypeSpan>;
}
interface TemplateLiteralTypeSpan extends TypeNode {
readonly kind: SyntaxKind.TemplateLiteralTypeSpan;
readonly parent: TemplateLiteralTypeNode;
readonly type: TypeNode;
readonly literal: TemplateMiddle | TemplateTail;
}
interface Expression extends Node {
_expressionBrand: any;
}
interface OmittedExpression extends Expression {
readonly kind: SyntaxKind.OmittedExpression;
}
interface PartiallyEmittedExpression extends LeftHandSideExpression {
readonly kind: SyntaxKind.PartiallyEmittedExpression;
readonly 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 {
readonly kind: SyntaxKind.PrefixUnaryExpression;
readonly operator: PrefixUnaryOperator;
readonly operand: UnaryExpression;
}
type PostfixUnaryOperator = SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken;
interface PostfixUnaryExpression extends UpdateExpression {
readonly kind: SyntaxKind.PostfixUnaryExpression;
readonly operand: LeftHandSideExpression;
readonly operator: PostfixUnaryOperator;
}
interface LeftHandSideExpression extends UpdateExpression {
_leftHandSideExpressionBrand: any;
}
interface MemberExpression extends LeftHandSideExpression {
_memberExpressionBrand: any;
}
interface PrimaryExpression extends MemberExpression {
_primaryExpressionBrand: any;
}
interface NullLiteral extends PrimaryExpression {
readonly kind: SyntaxKind.NullKeyword;
}
interface TrueLiteral extends PrimaryExpression {
readonly kind: SyntaxKind.TrueKeyword;
}
interface FalseLiteral extends PrimaryExpression {
readonly kind: SyntaxKind.FalseKeyword;
}
type BooleanLiteral = TrueLiteral | FalseLiteral;
interface ThisExpression extends PrimaryExpression, FlowContainer {
readonly kind: SyntaxKind.ThisKeyword;
}
interface SuperExpression extends PrimaryExpression, FlowContainer {
readonly kind: SyntaxKind.SuperKeyword;
}
interface ImportExpression extends PrimaryExpression {
readonly kind: SyntaxKind.ImportKeyword;
}
interface DeleteExpression extends UnaryExpression {
readonly kind: SyntaxKind.DeleteExpression;
readonly expression: UnaryExpression;
}
interface TypeOfExpression extends UnaryExpression {
readonly kind: SyntaxKind.TypeOfExpression;
readonly expression: UnaryExpression;
}
interface VoidExpression extends UnaryExpression {
readonly kind: SyntaxKind.VoidExpression;
readonly expression: UnaryExpression;
}
interface AwaitExpression extends UnaryExpression {
readonly kind: SyntaxKind.AwaitExpression;
readonly expression: UnaryExpression;
}
interface YieldExpression extends Expression {
readonly kind: SyntaxKind.YieldExpression;
readonly asteriskToken?: AsteriskToken;
readonly expression?: Expression;
}
interface SyntheticExpression extends Expression {
readonly kind: SyntaxKind.SyntheticExpression;
readonly isSpread: boolean;
readonly type: Type;
readonly tupleNameSource?: ParameterDeclaration | NamedTupleMember;
}
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 | SyntaxKind.BarBarEqualsToken | SyntaxKind.AmpersandAmpersandEqualsToken | SyntaxKind.QuestionQuestionEqualsToken;
type AssignmentOperator = SyntaxKind.EqualsToken | CompoundAssignmentOperator;
type AssignmentOperatorOrHigher = SyntaxKind.QuestionQuestionToken | LogicalOperatorOrHigher | AssignmentOperator;
type BinaryOperator = AssignmentOperatorOrHigher | SyntaxKind.CommaToken;
type LogicalOrCoalescingAssignmentOperator = SyntaxKind.AmpersandAmpersandEqualsToken | SyntaxKind.BarBarEqualsToken | SyntaxKind.QuestionQuestionEqualsToken;
type BinaryOperatorToken = Token<BinaryOperator>;
interface BinaryExpression extends Expression, Declaration, JSDocContainer {
readonly kind: SyntaxKind.BinaryExpression;
readonly left: Expression;
readonly operatorToken: BinaryOperatorToken;
readonly right: Expression;
}
type AssignmentOperatorToken = Token<AssignmentOperator>;
interface AssignmentExpression<TOperator extends AssignmentOperatorToken> extends BinaryExpression {
readonly left: LeftHandSideExpression;
readonly operatorToken: TOperator;
}
interface ObjectDestructuringAssignment extends AssignmentExpression<EqualsToken> {
readonly left: ObjectLiteralExpression;
}
interface ArrayDestructuringAssignment extends AssignmentExpression<EqualsToken> {
readonly left: ArrayLiteralExpression;
}
type DestructuringAssignment = ObjectDestructuringAssignment | ArrayDestructuringAssignment;
type BindingOrAssignmentElement = VariableDeclaration | ParameterDeclaration | ObjectBindingOrAssignmentElement | ArrayBindingOrAssignmentElement;
type ObjectBindingOrAssignmentElement = BindingElement | PropertyAssignment | ShorthandPropertyAssignment | SpreadAssignment;
type ArrayBindingOrAssignmentElement = BindingElement | 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 {
readonly kind: SyntaxKind.ConditionalExpression;
readonly condition: Expression;
readonly questionToken: QuestionToken;
readonly whenTrue: Expression;
readonly colonToken: ColonToken;
readonly whenFalse: Expression;
}
type FunctionBody = Block;
type ConciseBody = FunctionBody | Expression;
interface FunctionExpression extends PrimaryExpression, FunctionLikeDeclarationBase, JSDocContainer, LocalsContainer, FlowContainer {
readonly kind: SyntaxKind.FunctionExpression;
readonly modifiers?: NodeArray<Modifier>;
readonly name?: Identifier;
readonly body: FunctionBody;
}
interface ArrowFunction extends Expression, FunctionLikeDeclarationBase, JSDocContainer, LocalsContainer, FlowContainer {
readonly kind: SyntaxKind.ArrowFunction;
readonly modifiers?: NodeArray<Modifier>;
readonly equalsGreaterThanToken: EqualsGreaterThanToken;
readonly body: ConciseBody;
readonly name: never;
}
interface LiteralLikeNode extends Node {
text: string;
isUnterminated?: boolean;
hasExtendedUnicodeEscape?: boolean;
}
interface TemplateLiteralLikeNode extends LiteralLikeNode {
rawText?: string;
}
interface LiteralExpression extends LiteralLikeNode, PrimaryExpression {
_literalExpressionBrand: any;
}
interface RegularExpressionLiteral extends LiteralExpression {
readonly kind: SyntaxKind.RegularExpressionLiteral;
}
interface NoSubstitutionTemplateLiteral extends LiteralExpression, TemplateLiteralLikeNode, Declaration {
readonly kind: SyntaxKind.NoSubstitutionTemplateLiteral;
}
enum TokenFlags {
None = 0,
Scientific = 16,
Octal = 32,
HexSpecifier = 64,
BinarySpecifier = 128,
OctalSpecifier = 256
}
interface NumericLiteral extends LiteralExpression, Declaration {
readonly kind: SyntaxKind.NumericLiteral;
}
interface BigIntLiteral extends LiteralExpression {
readonly kind: SyntaxKind.BigIntLiteral;
}
type LiteralToken = NumericLiteral | BigIntLiteral | StringLiteral | JsxText | RegularExpressionLiteral | NoSubstitutionTemplateLiteral;
interface TemplateHead extends TemplateLiteralLikeNode {
readonly kind: SyntaxKind.TemplateHead;
readonly parent: TemplateExpression | TemplateLiteralTypeNode;
}
interface TemplateMiddle extends TemplateLiteralLikeNode {
readonly kind: SyntaxKind.TemplateMiddle;
readonly parent: TemplateSpan | TemplateLiteralTypeSpan;
}
interface TemplateTail extends TemplateLiteralLikeNode {
readonly kind: SyntaxKind.TemplateTail;
readonly parent: TemplateSpan | TemplateLiteralTypeSpan;
}
type PseudoLiteralToken = TemplateHead | TemplateMiddle | TemplateTail;
type TemplateLiteralToken = NoSubstitutionTemplateLiteral | PseudoLiteralToken;
interface TemplateExpression extends PrimaryExpression {
readonly kind: SyntaxKind.TemplateExpression;
readonly head: TemplateHead;
readonly templateSpans: NodeArray<TemplateSpan>;
}
type TemplateLiteral = TemplateExpression | NoSubstitutionTemplateLiteral;
interface TemplateSpan extends Node {
readonly kind: SyntaxKind.TemplateSpan;
readonly parent: TemplateExpression;
readonly expression: Expression;
readonly literal: TemplateMiddle | TemplateTail;
}
interface ParenthesizedExpression extends PrimaryExpression, JSDocContainer {
readonly kind: SyntaxKind.ParenthesizedExpression;
readonly expression: Expression;
}
interface ArrayLiteralExpression extends PrimaryExpression {
readonly kind: SyntaxKind.ArrayLiteralExpression;
readonly elements: NodeArray<Expression>;
}
interface SpreadElement extends Expression {
readonly kind: SyntaxKind.SpreadElement;
readonly parent: ArrayLiteralExpression | CallExpression | NewExpression;
readonly 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 {
readonly properties: NodeArray<T>;
}
interface ObjectLiteralExpression extends ObjectLiteralExpressionBase<ObjectLiteralElementLike>, JSDocContainer {
readonly kind: SyntaxKind.ObjectLiteralExpression;
}
type EntityNameExpression = Identifier | PropertyAccessEntityNameExpression;
type EntityNameOrEntityNameExpression = EntityName | EntityNameExpression;
type AccessExpression = PropertyAccessExpression | ElementAccessExpression;
interface PropertyAccessExpression extends MemberExpression, NamedDeclaration, JSDocContainer, FlowContainer {
readonly kind: SyntaxKind.PropertyAccessExpression;
readonly expression: LeftHandSideExpression;
readonly questionDotToken?: QuestionDotToken;
readonly name: MemberName;
}
interface PropertyAccessChain extends PropertyAccessExpression {
_optionalChainBrand: any;
readonly name: MemberName;
}
interface SuperPropertyAccessExpression extends PropertyAccessExpression {
readonly 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;
readonly expression: EntityNameExpression;
readonly name: Identifier;
}
interface ElementAccessExpression extends MemberExpression, Declaration, JSDocContainer, FlowContainer {
readonly kind: SyntaxKind.ElementAccessExpression;
readonly expression: LeftHandSideExpression;
readonly questionDotToken?: QuestionDotToken;
readonly argumentExpression: Expression;
}
interface ElementAccessChain extends ElementAccessExpression {
_optionalChainBrand: any;
}
interface SuperElementAccessExpression extends ElementAccessExpression {
readonly expression: SuperExpression;
}
type SuperProperty = SuperPropertyAccessExpression | SuperElementAccessExpression;
interface CallExpression extends LeftHandSideExpression, Declaration {
readonly kind: SyntaxKind.CallExpression;
readonly expression: LeftHandSideExpression;
readonly questionDotToken?: QuestionDotToken;
readonly typeArguments?: NodeArray<TypeNode>;
readonly arguments: NodeArray<Expression>;
}
interface CallChain extends CallExpression {
_optionalChainBrand: any;
}
type OptionalChain = PropertyAccessChain | ElementAccessChain | CallChain | NonNullChain;
interface SuperCall extends CallExpression {
readonly expression: SuperExpression;
}
interface ImportCall extends CallExpression {
readonly expression: ImportExpression;
}
interface ExpressionWithTypeArguments extends MemberExpression, NodeWithTypeArguments {
readonly kind: SyntaxKind.ExpressionWithTypeArguments;
readonly expression: LeftHandSideExpression;
}
interface NewExpression extends PrimaryExpression, Declaration {
readonly kind: SyntaxKind.NewExpression;
readonly expression: LeftHandSideExpression;
readonly typeArguments?: NodeArray<TypeNode>;
readonly arguments?: NodeArray<Expression>;
}
interface TaggedTemplateExpression extends MemberExpression {
readonly kind: SyntaxKind.TaggedTemplateExpression;
readonly tag: LeftHandSideExpression;
readonly typeArguments?: NodeArray<TypeNode>;
readonly template: TemplateLiteral;
}
type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression | Decorator | JsxOpeningLikeElement;
interface AsExpression extends Expression {
readonly kind: SyntaxKind.AsExpression;
readonly expression: Expression;
readonly type: TypeNode;
}
interface TypeAssertion extends UnaryExpression {
readonly kind: SyntaxKind.TypeAssertionExpression;
readonly type: TypeNode;
readonly expression: UnaryExpression;
}
interface SatisfiesExpression extends Expression {
readonly kind: SyntaxKind.SatisfiesExpression;
readonly expression: Expression;
readonly type: TypeNode;
}
type AssertionExpression = TypeAssertion | AsExpression;
interface NonNullExpression extends LeftHandSideExpression {
readonly kind: SyntaxKind.NonNullExpression;
readonly expression: Expression;
}
interface NonNullChain extends NonNullExpression {
_optionalChainBrand: any;
}
interface MetaProperty extends PrimaryExpression, FlowContainer {
readonly kind: SyntaxKind.MetaProperty;
readonly keywordToken: SyntaxKind.NewKeyword | SyntaxKind.ImportKeyword;
readonly name: Identifier;
}
interface JsxElement extends PrimaryExpression {
readonly kind: SyntaxKind.JsxElement;
readonly openingElement: JsxOpeningElement;
readonly children: NodeArray<JsxChild>;
readonly closingElement: JsxClosingElement;
}
type JsxOpeningLikeElement = JsxSelfClosingElement | JsxOpeningElement;
type JsxAttributeLike = JsxAttribute | JsxSpreadAttribute;
type JsxTagNameExpression = Identifier | ThisExpression | JsxTagNamePropertyAccess;
interface JsxTagNamePropertyAccess extends PropertyAccessExpression {
readonly expression: JsxTagNameExpression;
}
interface JsxAttributes extends ObjectLiteralExpressionBase<JsxAttributeLike> {
readonly kind: SyntaxKind.JsxAttributes;
readonly parent: JsxOpeningLikeElement;
}
interface JsxOpeningElement extends Expression {
readonly kind: SyntaxKind.JsxOpeningElement;
readonly parent: JsxElement;
readonly tagName: JsxTagNameExpression;
readonly typeArguments?: NodeArray<TypeNode>;
readonly attributes: JsxAttributes;
}
interface JsxSelfClosingElement extends PrimaryExpression {
readonly kind: SyntaxKind.JsxSelfClosingElement;
readonly tagName: JsxTagNameExpression;
readonly typeArguments?: NodeArray<TypeNode>;
readonly attributes: JsxAttributes;
}
interface JsxFragment extends PrimaryExpression {
readonly kind: SyntaxKind.JsxFragment;
readonly openingFragment: JsxOpeningFragment;
readonly children: NodeArray<JsxChild>;
readonly closingFragment: JsxClosingFragment;
}
interface JsxOpeningFragment extends Expression {
readonly kind: SyntaxKind.JsxOpeningFragment;
readonly parent: JsxFragment;
}
interface JsxClosingFragment extends Expression {
readonly kind: SyntaxKind.JsxClosingFragment;
readonly parent: JsxFragment;
}
interface JsxAttribute extends ObjectLiteralElement {
readonly kind: SyntaxKind.JsxAttribute;
readonly parent: JsxAttributes;
readonly name: Identifier;
readonly initializer?: JsxAttributeValue;
}
type JsxAttributeValue = StringLiteral | JsxExpression | JsxElement | JsxSelfClosingElement | JsxFragment;
interface JsxSpreadAttribute extends ObjectLiteralElement {
readonly kind: SyntaxKind.JsxSpreadAttribute;
readonly parent: JsxAttributes;
readonly expression: Expression;
}
interface JsxClosingElement extends Node {
readonly kind: SyntaxKind.JsxClosingElement;
readonly parent: JsxElement;
readonly tagName: JsxTagNameExpression;
}
interface JsxExpression extends Expression {
readonly kind: SyntaxKind.JsxExpression;
readonly parent: JsxElement | JsxFragment | JsxAttributeLike;
readonly dotDotDotToken?: Token<SyntaxKind.DotDotDotToken>;
readonly expression?: Expression;
}
interface JsxText extends LiteralLikeNode {
readonly kind: SyntaxKind.JsxText;
readonly parent: JsxElement | JsxFragment;
readonly containsOnlyTriviaWhiteSpaces: boolean;
}
type JsxChild = JsxText | JsxExpression | JsxElement | JsxSelfClosingElement | JsxFragment;
interface Statement extends Node, JSDocContainer {
_statementBrand: any;
}
interface NotEmittedStatement extends Statement {
readonly kind: SyntaxKind.NotEmittedStatement;
}
/**
* A list of comma-separated expressions. This node is only created by transformations.
*/
interface CommaListExpression extends Expression {
readonly kind: SyntaxKind.CommaListExpression;
readonly elements: NodeArray<Expression>;
}
interface EmptyStatement extends Statement {
readonly kind: SyntaxKind.EmptyStatement;
}
interface DebuggerStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.DebuggerStatement;
}
interface MissingDeclaration extends DeclarationStatement, PrimaryExpression {
readonly kind: SyntaxKind.MissingDeclaration;
readonly name?: Identifier;
}
type BlockLike = SourceFile | Block | ModuleBlock | CaseOrDefaultClause;
interface Block extends Statement, LocalsContainer {
readonly kind: SyntaxKind.Block;
readonly statements: NodeArray<Statement>;
}
interface VariableStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.VariableStatement;
readonly modifiers?: NodeArray<ModifierLike>;
readonly declarationList: VariableDeclarationList;
}
interface ExpressionStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.ExpressionStatement;
readonly expression: Expression;
}
interface IfStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.IfStatement;
readonly expression: Expression;
readonly thenStatement: Statement;
readonly elseStatement?: Statement;
}
interface IterationStatement extends Statement {
readonly statement: Statement;
}
interface DoStatement extends IterationStatement, FlowContainer {
readonly kind: SyntaxKind.DoStatement;
readonly expression: Expression;
}
interface WhileStatement extends IterationStatement, FlowContainer {
readonly kind: SyntaxKind.WhileStatement;
readonly expression: Expression;
}
type ForInitializer = VariableDeclarationList | Expression;
interface ForStatement extends IterationStatement, LocalsContainer, FlowContainer {
readonly kind: SyntaxKind.ForStatement;
readonly initializer?: ForInitializer;
readonly condition?: Expression;
readonly incrementor?: Expression;
}
type ForInOrOfStatement = ForInStatement | ForOfStatement;
interface ForInStatement extends IterationStatement, LocalsContainer, FlowContainer {
readonly kind: SyntaxKind.ForInStatement;
readonly initializer: ForInitializer;
readonly expression: Expression;
}
interface ForOfStatement extends IterationStatement, LocalsContainer, FlowContainer {
readonly kind: SyntaxKind.ForOfStatement;
readonly awaitModifier?: AwaitKeyword;
readonly initializer: ForInitializer;
readonly expression: Expression;
}
interface BreakStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.BreakStatement;
readonly label?: Identifier;
}
interface ContinueStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.ContinueStatement;
readonly label?: Identifier;
}
type BreakOrContinueStatement = BreakStatement | ContinueStatement;
interface ReturnStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.ReturnStatement;
readonly expression?: Expression;
}
interface WithStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.WithStatement;
readonly expression: Expression;
readonly statement: Statement;
}
interface SwitchStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.SwitchStatement;
readonly expression: Expression;
readonly caseBlock: CaseBlock;
possiblyExhaustive?: boolean;
}
interface CaseBlock extends Node, LocalsContainer {
readonly kind: SyntaxKind.CaseBlock;
readonly parent: SwitchStatement;
readonly clauses: NodeArray<CaseOrDefaultClause>;
}
interface CaseClause extends Node, JSDocContainer {
readonly kind: SyntaxKind.CaseClause;
readonly parent: CaseBlock;
readonly expression: Expression;
readonly statements: NodeArray<Statement>;
}
interface DefaultClause extends Node {
readonly kind: SyntaxKind.DefaultClause;
readonly parent: CaseBlock;
readonly statements: NodeArray<Statement>;
}
type CaseOrDefaultClause = CaseClause | DefaultClause;
interface LabeledStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.LabeledStatement;
readonly label: Identifier;
readonly statement: Statement;
}
interface ThrowStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.ThrowStatement;
readonly expression: Expression;
}
interface TryStatement extends Statement, FlowContainer {
readonly kind: SyntaxKind.TryStatement;
readonly tryBlock: Block;
readonly catchClause?: CatchClause;
readonly finallyBlock?: Block;
}
interface CatchClause extends Node, LocalsContainer {
readonly kind: SyntaxKind.CatchClause;
readonly parent: TryStatement;
readonly variableDeclaration?: VariableDeclaration;
readonly block: Block;
}
type ObjectTypeDeclaration = ClassLikeDeclaration | InterfaceDeclaration | TypeLiteralNode;
type DeclarationWithTypeParameters = DeclarationWithTypeParameterChildren | JSDocTypedefTag | JSDocCallbackTag | JSDocSignature;
type DeclarationWithTypeParameterChildren = SignatureDeclaration | ClassLikeDeclaration | InterfaceDeclaration | TypeAliasDeclaration | JSDocTemplateTag;
interface ClassLikeDeclarationBase extends NamedDeclaration, JSDocContainer {
readonly kind: SyntaxKind.ClassDeclaration | SyntaxKind.ClassExpression;
readonly name?: Identifier;
readonly typeParameters?: NodeArray<TypeParameterDeclaration>;
readonly heritageClauses?: NodeArray<HeritageClause>;
readonly members: NodeArray<ClassElement>;
}
interface ClassDeclaration extends ClassLikeDeclarationBase, DeclarationStatement {
readonly kind: SyntaxKind.ClassDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
/** May be undefined in `export default class { ... }`. */
readonly name?: Identifier;
}
interface ClassExpression extends ClassLikeDeclarationBase, PrimaryExpression {
readonly kind: SyntaxKind.ClassExpression;
readonly modifiers?: NodeArray<ModifierLike>;
}
type ClassLikeDeclaration = ClassDeclaration | ClassExpression;
interface ClassElement extends NamedDeclaration {
_classElementBrand: any;
readonly name?: PropertyName;
}
interface TypeElement extends NamedDeclaration {
_typeElementBrand: any;
readonly name?: PropertyName;
readonly questionToken?: QuestionToken | undefined;
}
interface InterfaceDeclaration extends DeclarationStatement, JSDocContainer {
readonly kind: SyntaxKind.InterfaceDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
readonly name: Identifier;
readonly typeParameters?: NodeArray<TypeParameterDeclaration>;
readonly heritageClauses?: NodeArray<HeritageClause>;
readonly members: NodeArray<TypeElement>;
}
interface HeritageClause extends Node {
readonly kind: SyntaxKind.HeritageClause;
readonly parent: InterfaceDeclaration | ClassLikeDeclaration;
readonly token: SyntaxKind.ExtendsKeyword | SyntaxKind.ImplementsKeyword;
readonly types: NodeArray<ExpressionWithTypeArguments>;
}
interface TypeAliasDeclaration extends DeclarationStatement, JSDocContainer, LocalsContainer {
readonly kind: SyntaxKind.TypeAliasDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
readonly name: Identifier;
readonly typeParameters?: NodeArray<TypeParameterDeclaration>;
readonly type: TypeNode;
}
interface EnumMember extends NamedDeclaration, JSDocContainer {
readonly kind: SyntaxKind.EnumMember;
readonly parent: EnumDeclaration;
readonly name: PropertyName;
readonly initializer?: Expression;
}
interface EnumDeclaration extends DeclarationStatement, JSDocContainer {
readonly kind: SyntaxKind.EnumDeclaration;
readonly modifiers?: NodeArray<ModifierLike>;
readonly name: Identifier;
readonly members: NodeArray<EnumMember>;
}
type ModuleName = Identifier | StringLiteral;
type ModuleBody = NamespaceBody | JSDocNamespaceBody;
interface ModuleDeclaration extends DeclarationStatement, JSDocContainer, LocalsContainer {
readonly kind: SyntaxKind.ModuleDeclaration;
readonly parent: ModuleBody | SourceFile;
readonly modifiers?: NodeArray<ModifierLike>;
readonly name: ModuleName;
readonly body?: ModuleBody | JSDocNamespaceDeclaration;
}
type NamespaceBody = ModuleBlock | NamespaceDeclaration;
interface NamespaceDeclaration extends ModuleDeclaration {
readonly name: Identifier;
readonly body: NamespaceBody;
}
type JSDocNamespaceBody = Identifier | JSDocNamespaceDeclaration;
interface JSDocNamespaceDeclaration extends ModuleDeclaration {
readonly name: Identifier;
readonly body?: JSDocNamespaceBody;
}
interface ModuleBlock extends Node, Statement {
readonly kind: SyntaxKind.ModuleBlock;
readonly parent: ModuleDeclaration;
readonly statements: NodeArray<Statement>;
}
type ModuleReference = EntityName | ExternalModuleReference;
/**
* One of:
* - import x = require("mod");
* - import x = M.x;
*/
interface ImportEqualsDeclaration extends DeclarationStatement, JSDocContainer {
readonly kind: SyntaxKind.ImportEqualsDeclaration;
readonly parent: SourceFile | ModuleBlock;
readonly modifiers?: NodeArray<ModifierLike>;
readonly name: Identifier;
readonly isTypeOnly: boolean;
readonly moduleReference: ModuleReference;
}
interface ExternalModuleReference extends Node {
readonly kind: SyntaxKind.ExternalModuleReference;
readonly parent: ImportEqualsDeclaration;
readonly expression: Expression;
}
interface ImportDeclaration extends Statement {
readonly kind: SyntaxKind.ImportDeclaration;
readonly parent: SourceFile | ModuleBlock;
readonly modifiers?: NodeArray<ModifierLike>;
readonly importClause?: ImportClause;
/** If this is not a StringLiteral it will be a grammar error. */
readonly moduleSpecifier: Expression;
readonly assertClause?: AssertClause;
}
type NamedImportBindings = NamespaceImport | NamedImports;
type NamedExportBindings = NamespaceExport | NamedExports;
interface ImportClause extends NamedDeclaration {
readonly kind: SyntaxKind.ImportClause;
readonly parent: ImportDeclaration;
readonly isTypeOnly: boolean;
readonly name?: Identifier;
readonly namedBindings?: NamedImportBindings;
}
type AssertionKey = Identifier | StringLiteral;
interface AssertEntry extends Node {
readonly kind: SyntaxKind.AssertEntry;
readonly parent: AssertClause;
readonly name: AssertionKey;
readonly value: Expression;
}
interface AssertClause extends Node {
readonly kind: SyntaxKind.AssertClause;
readonly parent: ImportDeclaration | ExportDeclaration;
readonly elements: NodeArray<AssertEntry>;
readonly multiLine?: boolean;
}
interface NamespaceImport extends NamedDeclaration {
readonly kind: SyntaxKind.NamespaceImport;
readonly parent: ImportClause;
readonly name: Identifier;
}
interface NamespaceExport extends NamedDeclaration {
readonly kind: SyntaxKind.NamespaceExport;
readonly parent: ExportDeclaration;
readonly name: Identifier;
}
interface NamespaceExportDeclaration extends DeclarationStatement, JSDocContainer {
readonly kind: SyntaxKind.NamespaceExportDeclaration;
readonly name: Identifier;
}
interface ExportDeclaration extends DeclarationStatement, JSDocContainer {
readonly kind: SyntaxKind.ExportDeclaration;
readonly parent: SourceFile | ModuleBlock;
readonly modifiers?: NodeArray<ModifierLike>;
readonly isTypeOnly: boolean;
/** Will not be assigned in the case of `export * from "foo";` */
readonly exportClause?: NamedExportBindings;
/** If this is not a StringLiteral it will be a grammar error. */
readonly moduleSpecifier?: Expression;
readonly assertClause?: AssertClause;
}
interface NamedImports extends Node {
readonly kind: SyntaxKind.NamedImports;
readonly parent: ImportClause;
readonly elements: NodeArray<ImportSpecifier>;
}
interface NamedExports extends Node {
readonly kind: SyntaxKind.NamedExports;
readonly parent: ExportDeclaration;
readonly elements: NodeArray<ExportSpecifier>;
}
type NamedImportsOrExports = NamedImports | NamedExports;
interface ImportSpecifier extends NamedDeclaration {
readonly kind: SyntaxKind.ImportSpecifier;
readonly parent: NamedImports;
readonly propertyName?: Identifier;
readonly name: Identifier;
readonly isTypeOnly: boolean;
}
interface ExportSpecifier extends NamedDeclaration, JSDocContainer {
readonly kind: SyntaxKind.ExportSpecifier;
readonly parent: NamedExports;
readonly isTypeOnly: boolean;
readonly propertyName?: Identifier;
readonly name: Identifier;
}
type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier;
type TypeOnlyCompatibleAliasDeclaration = ImportClause | ImportEqualsDeclaration | NamespaceImport | ImportOrExportSpecifier | ExportDeclaration | NamespaceExport;
type TypeOnlyImportDeclaration = ImportClause & {
readonly isTypeOnly: true;
readonly name: Identifier;
} | ImportEqualsDeclaration & {
readonly isTypeOnly: true;
} | NamespaceImport & {
readonly parent: ImportClause & {
readonly isTypeOnly: true;
};
} | ImportSpecifier & ({
readonly isTypeOnly: true;
} | {
readonly parent: NamedImports & {
readonly parent: ImportClause & {
readonly isTypeOnly: true;
};
};
});
type TypeOnlyExportDeclaration = ExportSpecifier & ({
readonly isTypeOnly: true;
} | {
readonly parent: NamedExports & {
readonly parent: ExportDeclaration & {
readonly isTypeOnly: true;
};
};
}) | ExportDeclaration & {
readonly isTypeOnly: true;
} | NamespaceExport & {
readonly parent: ExportDeclaration & {
readonly isTypeOnly: true;
};
};
type TypeOnlyAliasDeclaration = TypeOnlyImportDeclaration | TypeOnlyExportDeclaration;
/**
* This is either an `export =` or an `export default` declaration.
* Unless `isExportEquals` is set, this node was parsed as an `export default`.
*/
interface ExportAssignment extends DeclarationStatement, JSDocContainer {
readonly kind: SyntaxKind.ExportAssignment;
readonly parent: SourceFile;
readonly modifiers?: NodeArray<ModifierLike>;
readonly isExportEquals?: boolean;
readonly expression: Expression;
}
interface FileReference extends TextRange {
fileName: string;
resolutionMode?: ResolutionMode;
}
interface CheckJsDirective extends TextRange {
enabled: boolean;
}
type CommentKind = SyntaxKind.SingleLineCommentTrivia | SyntaxKind.MultiLineCommentTrivia;
interface CommentRange extends TextRange {
hasTrailingNewLine?: boolean;
kind: CommentKind;
}
interface SynthesizedComment extends CommentRange {
text: string;
pos: -1;
end: -1;
hasLeadingNewline?: boolean;
}
interface JSDocTypeExpression extends TypeNode {
readonly kind: SyntaxKind.JSDocTypeExpression;
readonly type: TypeNode;
}
interface JSDocNameReference extends Node {
readonly kind: SyntaxKind.JSDocNameReference;
readonly name: EntityName | JSDocMemberName;
}
/** Class#method reference in JSDoc */
interface JSDocMemberName extends Node {
readonly kind: SyntaxKind.JSDocMemberName;
readonly left: EntityName | JSDocMemberName;
readonly right: Identifier;
}
interface JSDocType extends TypeNode {
_jsDocTypeBrand: any;
}
interface JSDocAllType extends JSDocType {
readonly kind: SyntaxKind.JSDocAllType;
}
interface JSDocUnknownType extends JSDocType {
readonly kind: SyntaxKind.JSDocUnknownType;
}
interface JSDocNonNullableType extends JSDocType {
readonly kind: SyntaxKind.JSDocNonNullableType;
readonly type: TypeNode;
readonly postfix: boolean;
}
interface JSDocNullableType extends JSDocType {
readonly kind: SyntaxKind.JSDocNullableType;
readonly type: TypeNode;
readonly postfix: boolean;
}
interface JSDocOptionalType extends JSDocType {
readonly kind: SyntaxKind.JSDocOptionalType;
readonly type: TypeNode;
}
interface JSDocFunctionType extends JSDocType, SignatureDeclarationBase, LocalsContainer {
readonly kind: SyntaxKind.JSDocFunctionType;
}
interface JSDocVariadicType extends JSDocType {
readonly kind: SyntaxKind.JSDocVariadicType;
readonly type: TypeNode;
}
interface JSDocNamepathType extends JSDocType {
readonly kind: SyntaxKind.JSDocNamepathType;
readonly type: TypeNode;
}
type JSDocTypeReferencingNode = JSDocVariadicType | JSDocOptionalType | JSDocNullableType | JSDocNonNullableType;
interface JSDoc extends Node {
readonly kind: SyntaxKind.JSDoc;
readonly parent: HasJSDoc;
readonly tags?: NodeArray<JSDocTag>;
readonly comment?: string | NodeArray<JSDocComment>;
}
interface JSDocTag extends Node {
readonly parent: JSDoc | JSDocTypeLiteral;
readonly tagName: Identifier;
readonly comment?: string | NodeArray<JSDocComment>;
}
interface JSDocLink extends Node {
readonly kind: SyntaxKind.JSDocLink;
readonly name?: EntityName | JSDocMemberName;
text: string;
}
interface JSDocLinkCode extends Node {
readonly kind: SyntaxKind.JSDocLinkCode;
readonly name?: EntityName | JSDocMemberName;
text: string;
}
interface JSDocLinkPlain extends Node {
readonly kind: SyntaxKind.JSDocLinkPlain;
readonly name?: EntityName | JSDocMemberName;
text: string;
}
type JSDocComment = JSDocText | JSDocLink | JSDocLinkCode | JSDocLinkPlain;
interface JSDocText extends Node {
readonly kind: SyntaxKind.JSDocText;
text: string;
}
interface JSDocUnknownTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocTag;
}
/**
* Note that `@extends` is a synonym of `@augments`.
* Both tags are represented by this interface.
*/
interface JSDocAugmentsTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocAugmentsTag;
readonly class: ExpressionWithTypeArguments & {
readonly expression: Identifier | PropertyAccessEntityNameExpression;
};
}
interface JSDocImplementsTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocImplementsTag;
readonly class: ExpressionWithTypeArguments & {
readonly expression: Identifier | PropertyAccessEntityNameExpression;
};
}
interface JSDocAuthorTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocAuthorTag;
}
interface JSDocDeprecatedTag extends JSDocTag {
kind: SyntaxKind.JSDocDeprecatedTag;
}
interface JSDocClassTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocClassTag;
}
interface JSDocPublicTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocPublicTag;
}
interface JSDocPrivateTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocPrivateTag;
}
interface JSDocProtectedTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocProtectedTag;
}
interface JSDocReadonlyTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocReadonlyTag;
}
interface JSDocOverrideTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocOverrideTag;
}
interface JSDocEnumTag extends JSDocTag, Declaration, LocalsContainer {
readonly kind: SyntaxKind.JSDocEnumTag;
readonly parent: JSDoc;
readonly typeExpression: JSDocTypeExpression;
}
interface JSDocThisTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocThisTag;
readonly typeExpression: JSDocTypeExpression;
}
interface JSDocTemplateTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocTemplateTag;
readonly constraint: JSDocTypeExpression | undefined;
readonly typeParameters: NodeArray<TypeParameterDeclaration>;
}
interface JSDocSeeTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocSeeTag;
readonly name?: JSDocNameReference;
}
interface JSDocReturnTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocReturnTag;
readonly typeExpression?: JSDocTypeExpression;
}
interface JSDocTypeTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocTypeTag;
readonly typeExpression: JSDocTypeExpression;
}
interface JSDocTypedefTag extends JSDocTag, NamedDeclaration, LocalsContainer {
readonly kind: SyntaxKind.JSDocTypedefTag;
readonly parent: JSDoc;
readonly fullName?: JSDocNamespaceDeclaration | Identifier;
readonly name?: Identifier;
readonly typeExpression?: JSDocTypeExpression | JSDocTypeLiteral;
}
interface JSDocCallbackTag extends JSDocTag, NamedDeclaration, LocalsContainer {
readonly kind: SyntaxKind.JSDocCallbackTag;
readonly parent: JSDoc;
readonly fullName?: JSDocNamespaceDeclaration | Identifier;
readonly name?: Identifier;
readonly typeExpression: JSDocSignature;
}
interface JSDocOverloadTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocOverloadTag;
readonly parent: JSDoc;
readonly typeExpression: JSDocSignature;
}
interface JSDocThrowsTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocThrowsTag;
readonly typeExpression?: JSDocTypeExpression;
}
interface JSDocSignature extends JSDocType, Declaration, JSDocContainer, LocalsContainer {
readonly kind: SyntaxKind.JSDocSignature;
readonly typeParameters?: readonly JSDocTemplateTag[];
readonly parameters: readonly JSDocParameterTag[];
readonly type: JSDocReturnTag | undefined;
}
interface JSDocPropertyLikeTag extends JSDocTag, Declaration {
readonly parent: JSDoc;
readonly name: EntityName;
readonly typeExpression?: JSDocTypeExpression;
/** Whether the property name came before the type -- non-standard for JSDoc, but Typescript-like */
readonly isNameFirst: boolean;
readonly isBracketed: boolean;
}
interface JSDocPropertyTag extends JSDocPropertyLikeTag {
readonly kind: SyntaxKind.JSDocPropertyTag;
}
interface JSDocParameterTag extends JSDocPropertyLikeTag {
readonly kind: SyntaxKind.JSDocParameterTag;
}
interface JSDocTypeLiteral extends JSDocType, Declaration {
readonly kind: SyntaxKind.JSDocTypeLiteral;
readonly jsDocPropertyTags?: readonly JSDocPropertyLikeTag[];
/** If true, then this type literal represents an *array* of its type. */
readonly isArrayType: boolean;
}
interface JSDocSatisfiesTag extends JSDocTag {
readonly kind: SyntaxKind.JSDocSatisfiesTag;
readonly typeExpression: JSDocTypeExpression;
}
enum FlowFlags {
Unreachable = 1,
Start = 2,
BranchLabel = 4,
LoopLabel = 8,
Assignment = 16,
TrueCondition = 32,
FalseCondition = 64,
SwitchClause = 128,
ArrayMutation = 256,
Call = 512,
ReduceLabel = 1024,
Referenced = 2048,
Shared = 4096,
Label = 12,
Condition = 96
}
type FlowNode = FlowStart | FlowLabel | FlowAssignment | FlowCondition | FlowSwitchClause | FlowArrayMutation | FlowCall | FlowReduceLabel;
interface FlowNodeBase {
flags: FlowFlags;
id?: number;
}
interface FlowStart extends FlowNodeBase {
node?: FunctionExpression | ArrowFunction | MethodDeclaration | GetAccessorDeclaration | SetAccessorDeclaration;
}
interface FlowLabel extends FlowNodeBase {
antecedents: FlowNode[] | undefined;
}
interface FlowAssignment extends FlowNodeBase {
node: Expression | VariableDeclaration | BindingElement;
antecedent: FlowNode;
}
interface FlowCall extends FlowNodeBase {
node: CallExpression;
antecedent: FlowNode;
}
interface FlowCondition extends FlowNodeBase {
node: Expression;
antecedent: FlowNode;
}
interface FlowSwitchClause extends FlowNodeBase {
switchStatement: SwitchStatement;
clauseStart: number;
clauseEnd: number;
antecedent: FlowNode;
}
interface FlowArrayMutation extends FlowNodeBase {
node: CallExpression | BinaryExpression;
antecedent: FlowNode;
}
interface FlowReduceLabel extends FlowNodeBase {
target: FlowLabel;
antecedents: FlowNode[];
antecedent: FlowNode;
}
type FlowType = Type | IncompleteType;
interface IncompleteType {
flags: TypeFlags | 0;
type: Type;
}
interface AmdDependency {
path: string;
name?: string;
}
/**
* Subset of properties from SourceFile that are used in multiple utility functions
*/
interface SourceFileLike {
readonly text: string;
}
interface SourceFileLike {
getLineAndCharacterOfPosition(pos: number): LineAndCharacter;
}
type ResolutionMode = ModuleKind.ESNext | ModuleKind.CommonJS | undefined;
interface SourceFile extends Declaration, LocalsContainer {
readonly kind: SyntaxKind.SourceFile;
readonly statements: NodeArray<Statement>;
readonly endOfFileToken: Token<SyntaxKind.EndOfFileToken>;
fileName: string;
text: string;
amdDependencies: readonly AmdDependency[];
moduleName?: string;
referencedFiles: readonly FileReference[];
typeReferenceDirectives: readonly FileReference[];
libReferenceDirectives: readonly FileReference[];
languageVariant: LanguageVariant;
isDeclarationFile: boolean;
/**
* lib.d.ts should have a reference comment like
*
* /// <reference no-default-lib="true"/>
*
* If any other file has this comment, it signals not to include lib.d.ts
* because this containing file is intended to act as a default library.
*/
hasNoDefaultLib: boolean;
languageVersion: ScriptTarget;
/**
* When `module` is `Node16` or `NodeNext`, this field controls whether the
* source file in question is an ESNext-output-format file, or a CommonJS-output-format
* module. This is derived by the module resolver as it looks up the file, since
* it is derived from either the file extension of the module, or the containing
* `package.json` context, and affects both checking and emit.
*
* It is _public_ so that (pre)transformers can set this field,
* since it switches the builtin `node` module transform. Generally speaking, if unset,
* the field is treated as though it is `ModuleKind.CommonJS`.
*
* Note that this field is only set by the module resolution process when
* `moduleResolution` is `Node16` or `NodeNext`, which is implied by the `module` setting
* of `Node16` or `NodeNext`, respectively, but may be overriden (eg, by a `moduleResolution`
* of `node`). If so, this field will be unset and source files will be considered to be
* CommonJS-output-format by the node module transformer and type checker, regardless of extension or context.
*/
impliedNodeFormat?: ResolutionMode;
}
interface SourceFile {
getLineAndCharacterOfPosition(pos: number): LineAndCharacter;
getLineEndOfPosition(pos: number): number;
getLineStarts(): readonly number[];
getPositionOfLineAndCharacter(line: number, character: number): number;
update(newText: string, textChangeRange: TextChangeRange): SourceFile;
}
interface Bundle extends Node {
readonly kind: SyntaxKind.Bundle;
/** @deprecated */ readonly prepends: readonly (InputFiles | UnparsedSource)[];
readonly sourceFiles: readonly SourceFile[];
}
/** @deprecated */
interface InputFiles extends Node {
readonly kind: SyntaxKind.InputFiles;
javascriptPath?: string;
javascriptText: string;
javascriptMapPath?: string;
javascriptMapText?: string;
declarationPath?: string;
declarationText: string;
declarationMapPath?: string;
declarationMapText?: string;
}
/** @deprecated */
interface UnparsedSource extends Node {
readonly kind: SyntaxKind.UnparsedSource;
fileName: string;
text: string;
readonly prologues: readonly UnparsedPrologue[];
helpers: readonly UnscopedEmitHelper[] | undefined;
referencedFiles: readonly FileReference[];
typeReferenceDirectives: readonly FileReference[] | undefined;
libReferenceDirectives: readonly FileReference[];
hasNoDefaultLib?: boolean;
sourceMapPath?: string;
sourceMapText?: string;
readonly syntheticReferences?: readonly UnparsedSyntheticReference[];
readonly texts: readonly UnparsedSourceText[];
}
/** @deprecated */
type UnparsedSourceText = UnparsedPrepend | UnparsedTextLike;
/** @deprecated */
type UnparsedNode = UnparsedPrologue | UnparsedSourceText | UnparsedSyntheticReference;
/** @deprecated */
interface UnparsedSection extends Node {
readonly kind: SyntaxKind;
readonly parent: UnparsedSource;
readonly data?: string;
}
/** @deprecated */
interface UnparsedPrologue extends UnparsedSection {
readonly kind: SyntaxKind.UnparsedPrologue;
readonly parent: UnparsedSource;
readonly data: string;
}
/** @deprecated */
interface UnparsedPrepend extends UnparsedSection {
readonly kind: SyntaxKind.UnparsedPrepend;
readonly parent: UnparsedSource;
readonly data: string;
readonly texts: readonly UnparsedTextLike[];
}
/** @deprecated */
interface UnparsedTextLike extends UnparsedSection {
readonly kind: SyntaxKind.UnparsedText | SyntaxKind.UnparsedInternalText;
readonly parent: UnparsedSource;
}
/** @deprecated */
interface UnparsedSyntheticReference extends UnparsedSection {
readonly kind: SyntaxKind.UnparsedSyntheticReference;
readonly parent: UnparsedSource;
}
interface JsonSourceFile extends SourceFile {
readonly statements: NodeArray<JsonObjectExpressionStatement>;
}
interface TsConfigSourceFile extends JsonSourceFile {
extendedSourceFiles?: string[];
}
interface JsonMinusNumericLiteral extends PrefixUnaryExpression {
readonly kind: SyntaxKind.PrefixUnaryExpression;
readonly operator: SyntaxKind.MinusToken;
readonly operand: NumericLiteral;
}
type JsonObjectExpression = ObjectLiteralExpression | ArrayLiteralExpression | JsonMinusNumericLiteral | NumericLiteral | StringLiteral | BooleanLiteral | NullLiteral;
interface JsonObjectExpressionStatement extends ExpressionStatement {
readonly expression: JsonObjectExpression;
}
interface ScriptReferenceHost {
getCompilerOptions(): CompilerOptions;
getSourceFile(fileName: string): SourceFile | undefined;
getSourceFileByPath(path: Path): SourceFile | undefined;
getCurrentDirectory(): string;
}
interface ParseConfigHost {
useCaseSensitiveFileNames: boolean;
readDirectory(rootDir: string, extensions: readonly string[], excludes: readonly string[] | undefined, includes: readonly string[], depth?: number): readonly string[];
/**
* Gets a value indicating whether the specified path exists and is a file.
* @param path The path to test.
*/
fileExists(path: string): boolean;
readFile(path: string): string | undefined;
trace?(s: string): void;
}
/**
* Branded string for keeping track of when we've turned an ambiguous path
* specified like "./blah" to an absolute path to an actual
* tsconfig file, e.g. "/root/blah/tsconfig.json"
*/
type ResolvedConfigFileName = string & {
_isResolvedConfigFileName: never;
};
interface WriteFileCallbackData {
}
type WriteFileCallback = (fileName: string, text: string, writeByteOrderMark: boolean, onError?: (message: string) => void, sourceFiles?: readonly SourceFile[], data?: WriteFileCallbackData) => void;
class OperationCanceledException {
}
interface CancellationToken {
isCancellationRequested(): boolean;
/** @throws OperationCanceledException if isCancellationRequested is true */
throwIfCancellationRequested(): void;
}
interface Program extends ScriptReferenceHost {
getCurrentDirectory(): string;
/**
* Get a list of root file names that were passed to a 'createProgram'
*/
getRootFileNames(): readonly string[];
/**
* Get a list of files in the program
*/
getSourceFiles(): readonly SourceFile[];
/**
* Emits the JavaScript and declaration files. If targetSourceFile is not specified, then
* the JavaScript and declaration files will be produced for all the files in this program.
* If targetSourceFile is specified, then only the JavaScript and declaration for that
* specific file will be generated.
*
* If writeFile is not specified then the writeFile callback from the compiler host will be
* used for writing the JavaScript and declaration files. Otherwise, the writeFile parameter
* will be invoked when writing the JavaScript and declaration files.
*/
emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean, customTransformers?: CustomTransformers): EmitResult;
getOptionsDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
getGlobalDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly DiagnosticWithLocation[];
/** The first time this is called, it will return global diagnostics (no location). */
getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly DiagnosticWithLocation[];
getConfigFileParsingDiagnostics(): readonly Diagnostic[];
/**
* Gets a type checker that can be used to semantically analyze source files in the program.
*/
getTypeChecker(): TypeChecker;
getNodeCount(): number;
getIdentifierCount(): number;
getSymbolCount(): number;
getTypeCount(): number;
getInstantiationCount(): number;
getRelationCacheSizes(): {
assignable: number;
identity: number;
subtype: number;
strictSubtype: number;
};
isSourceFileFromExternalLibrary(file: SourceFile): boolean;
isSourceFileDefaultLibrary(file: SourceFile): boolean;
getProjectReferences(): readonly ProjectReference[] | undefined;
getResolvedProjectReferences(): readonly (ResolvedProjectReference | undefined)[] | undefined;
}
interface ResolvedProjectReference {
commandLine: ParsedCommandLine;
sourceFile: SourceFile;
references?: readonly (ResolvedProjectReference | undefined)[];
}
type CustomTransformerFactory = (context: TransformationContext) => CustomTransformer;
interface CustomTransformer {
transformSourceFile(node: SourceFile): SourceFile;
transformBundle(node: Bundle): Bundle;
}
interface CustomTransformers {
/** Custom transformers to evaluate before built-in .js transformations. */
before?: (TransformerFactory<SourceFile> | CustomTransformerFactory)[];
/** Custom transformers to evaluate after built-in .js transformations. */
after?: (TransformerFactory<SourceFile> | CustomTransformerFactory)[];
/** Custom transformers to evaluate after built-in .d.ts transformations. */
afterDeclarations?: (TransformerFactory<Bundle | SourceFile> | CustomTransformerFactory)[];
}
interface SourceMapSpan {
/** Line number in the .js file. */
emittedLine: number;
/** Column number in the .js file. */
emittedColumn: number;
/** Line number in the .ts file. */
sourceLine: number;
/** Column number in the .ts file. */
sourceColumn: number;
/** Optional name (index into names array) associated with this span. */
nameIndex?: number;
/** .ts file (index into sources array) associated with this span */
sourceIndex: number;
}
/** Return code used by getEmitOutput function to indicate status of the function */
enum ExitStatus {
Success = 0,
DiagnosticsPresent_OutputsSkipped = 1,
DiagnosticsPresent_OutputsGenerated = 2,
InvalidProject_OutputsSkipped = 3,
ProjectReferenceCycle_OutputsSkipped = 4
}
interface EmitResult {
emitSkipped: boolean;
/** Contains declaration emit diagnostics */
diagnostics: readonly Diagnostic[];
emittedFiles?: string[];
}
interface TypeChecker {
getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type;
getTypeOfSymbol(symbol: Symbol): Type;
getDeclaredTypeOfSymbol(symbol: Symbol): Type;
getPropertiesOfType(type: Type): Symbol[];
getPropertyOfType(type: Type, propertyName: string): Symbol | undefined;
getPrivateIdentifierPropertyOfType(leftType: Type, name: string, location: Node): Symbol | undefined;
getIndexInfoOfType(type: Type, kind: IndexKind): IndexInfo | undefined;
getIndexInfosOfType(type: Type): readonly IndexInfo[];
getIndexInfosOfIndexSymbol: (indexSymbol: Symbol) => IndexInfo[];
getSignaturesOfType(type: Type, kind: SignatureKind): readonly Signature[];
getIndexTypeOfType(type: Type, kind: IndexKind): Type | undefined;
getBaseTypes(type: InterfaceType): BaseType[];
getBaseTypeOfLiteralType(type: Type): Type;
getWidenedType(type: Type): Type;
getReturnTypeOfSignature(signature: Signature): Type;
getNullableType(type: Type, flags: TypeFlags): Type;
getNonNullableType(type: Type): Type;
getTypeArguments(type: TypeReference): readonly Type[];
/** Note that the resulting nodes cannot be checked. */
typeToTypeNode(type: Type, enclosingDeclaration: Node | undefined, flags: NodeBuilderFlags | undefined): TypeNode | undefined;
/** Note that the resulting nodes cannot be checked. */
signatureToSignatureDeclaration(signature: Signature, kind: SyntaxKind, enclosingDeclaration: Node | undefined, flags: NodeBuilderFlags | undefined): SignatureDeclaration & {
typeArguments?: NodeArray<TypeNode>;
} | undefined;
/** Note that the resulting nodes cannot be checked. */
indexInfoToIndexSignatureDeclaration(indexInfo: IndexInfo, enclosingDeclaration: Node | undefined, flags: NodeBuilderFlags | undefined): IndexSignatureDeclaration | undefined;
/** Note that the resulting nodes cannot be checked. */
symbolToEntityName(symbol: Symbol, meaning: SymbolFlags, enclosingDeclaration: Node | undefined, flags: NodeBuilderFlags | undefined): EntityName | undefined;
/** Note that the resulting nodes cannot be checked. */
symbolToExpression(symbol: Symbol, meaning: SymbolFlags, enclosingDeclaration: Node | undefined, flags: NodeBuilderFlags | undefined): Expression | undefined;
/** Note that the resulting nodes cannot be checked. */
symbolToTypeParameterDeclarations(symbol: Symbol, enclosingDeclaration: Node | undefined, flags: NodeBuilderFlags | undefined): NodeArray<TypeParameterDeclaration> | undefined;
/** Note that the resulting nodes cannot be checked. */
symbolToParameterDeclaration(symbol: Symbol, enclosingDeclaration: Node | undefined, flags: NodeBuilderFlags | undefined): ParameterDeclaration | undefined;
/** Note that the resulting nodes cannot be checked. */
typeParameterToDeclaration(parameter: TypeParameter, enclosingDeclaration: Node | undefined, flags: NodeBuilderFlags | undefined): TypeParameterDeclaration | undefined;
getSymbolsInScope(location: Node, meaning: SymbolFlags): Symbol[];
getSymbolAtLocation(node: Node): Symbol | undefined;
getSymbolsOfParameterPropertyDeclaration(parameter: ParameterDeclaration, parameterName: string): Symbol[];
/**
* The function returns the value (local variable) symbol of an identifier in the short-hand property assignment.
* This is necessary as an identifier in short-hand property assignment can contains two meaning: property name and property value.
*/
getShorthandAssignmentValueSymbol(location: Node | undefined): Symbol | undefined;
getExportSpecifierLocalTargetSymbol(location: ExportSpecifier | Identifier): Symbol | undefined;
/**
* If a symbol is a local symbol with an associated exported symbol, returns the exported symbol.
* Otherwise returns its input.
* For example, at `export type T = number;`:
* - `getSymbolAtLocation` at the location `T` will return the exported symbol for `T`.
* - But the result of `getSymbolsInScope` will contain the *local* symbol for `T`, not the exported symbol.
* - Calling `getExportSymbolOfSymbol` on that local symbol will return the exported symbol.
*/
getExportSymbolOfSymbol(symbol: Symbol): Symbol;
getPropertySymbolOfDestructuringAssignment(location: Identifier): Symbol | undefined;
getTypeOfAssignmentPattern(pattern: AssignmentPattern): Type;
getTypeAtLocation(node: Node): Type;
getTypeFromTypeNode(node: TypeNode): Type;
signatureToString(signature: Signature, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): string;
typeToString(type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string;
symbolToString(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags, flags?: SymbolFormatFlags): string;
typePredicateToString(predicate: TypePredicate, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string;
getFullyQualifiedName(symbol: Symbol): string;
getAugmentedPropertiesOfType(type: Type): Symbol[];
getRootSymbols(symbol: Symbol): readonly Symbol[];
getSymbolOfExpando(node: Node, allowDeclaration: boolean): Symbol | undefined;
getContextualType(node: Expression): Type | undefined;
/**
* returns unknownSignature in the case of an error.
* returns undefined if the node is not valid.
* @param argumentCount Apparent number of arguments, passed in case of a possibly incomplete call. This should come from an ArgumentListInfo. See `signatureHelp.ts`.
*/
getResolvedSignature(node: CallLikeExpression, candidatesOutArray?: Signature[], argumentCount?: number): Signature | undefined;
getSignatureFromDeclaration(declaration: SignatureDeclaration): Signature | undefined;
isImplementationOfOverload(node: SignatureDeclaration): boolean | undefined;
isUndefinedSymbol(symbol: Symbol): boolean;
isArgumentsSymbol(symbol: Symbol): boolean;
isUnknownSymbol(symbol: Symbol): boolean;
getConstantValue(node: EnumMember | PropertyAccessExpression | ElementAccessExpression): string | number | undefined;
isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName | ImportTypeNode, propertyName: string): boolean;
/** Follow all aliases to get the original symbol. */
getAliasedSymbol(symbol: Symbol): Symbol;
/** Follow a *single* alias to get the immediately aliased symbol. */
getImmediateAliasedSymbol(symbol: Symbol): Symbol | undefined;
getExportsOfModule(moduleSymbol: Symbol): Symbol[];
getJsxIntrinsicTagNamesAt(location: Node): Symbol[];
isOptionalParameter(node: ParameterDeclaration): boolean;
getAmbientModules(sourceFile?: SourceFile): Symbol[];
tryGetMemberInModuleExports(memberName: string, moduleSymbol: Symbol): Symbol | undefined;
getApparentType(type: Type): Type;
getBaseConstraintOfType(type: Type): Type | undefined;
getDefaultFromTypeParameter(type: Type): Type | undefined;
/**
* True if this type is the `Array` or `ReadonlyArray` type from lib.d.ts.
* This function will _not_ return true if passed a type which
* extends `Array` (for example, the TypeScript AST's `NodeArray` type).
*/
isArrayType(type: Type): boolean;
/**
* True if this type is a tuple type. This function will _not_ return true if
* passed a type which extends from a tuple.
*/
isTupleType(type: Type): boolean;
/**
* True if this type is assignable to `ReadonlyArray<any>`.
*/
isArrayLikeType(type: Type): boolean;
getTypePredicateOfSignature(signature: Signature): TypePredicate | undefined;
/**
* Depending on the operation performed, it may be appropriate to throw away the checker
* if the cancellation token is triggered. Typically, if it is used for error checking
* and the operation is cancelled, then it should be discarded, otherwise it is safe to keep.
*/
runWithCancellationToken<T>(token: CancellationToken, cb: (checker: TypeChecker) => T): T;
}
enum NodeBuilderFlags {
None = 0,
NoTruncation = 1,
WriteArrayAsGenericType = 2,
GenerateNamesForShadowedTypeParams = 4,
UseStructuralFallback = 8,
ForbidIndexedAccessSymbolReferences = 16,
WriteTypeArgumentsOfSignature = 32,
UseFullyQualifiedType = 64,
UseOnlyExternalAliasing = 128,
SuppressAnyReturnType = 256,
WriteTypeParametersInQualifiedName = 512,
MultilineObjectLiterals = 1024,
WriteClassExpressionAsTypeLiteral = 2048,
UseTypeOfFunction = 4096,
OmitParameterModifiers = 8192,
UseAliasDefinedOutsideCurrentScope = 16384,
UseSingleQuotesForStringLiteralType = 268435456,
NoTypeReduction = 536870912,
OmitThisParameter = 33554432,
AllowThisInObjectLiteral = 32768,
AllowQualifiedNameInPlaceOfIdentifier = 65536,
AllowAnonymousIdentifier = 131072,
AllowEmptyUnionOrIntersection = 262144,
AllowEmptyTuple = 524288,
AllowUniqueESSymbolType = 1048576,
AllowEmptyIndexInfoType = 2097152,
AllowNodeModulesRelativePaths = 67108864,
IgnoreErrors = 70221824,
InObjectTypeLiteral = 4194304,
InTypeAlias = 8388608,
InInitialEntityName = 16777216
}
enum TypeFormatFlags {
None = 0,
NoTruncation = 1,
WriteArrayAsGenericType = 2,
UseStructuralFallback = 8,
WriteTypeArgumentsOfSignature = 32,
UseFullyQualifiedType = 64,
SuppressAnyReturnType = 256,
MultilineObjectLiterals = 1024,
WriteClassExpressionAsTypeLiteral = 2048,
UseTypeOfFunction = 4096,
OmitParameterModifiers = 8192,
UseAliasDefinedOutsideCurrentScope = 16384,
UseSingleQuotesForStringLiteralType = 268435456,
NoTypeReduction = 536870912,
OmitThisParameter = 33554432,
AllowUniqueESSymbolType = 1048576,
AddUndefined = 131072,
WriteArrowStyleSignature = 262144,
InArrayType = 524288,
InElementType = 2097152,
InFirstTypeArgument = 4194304,
InTypeAlias = 8388608,
NodeBuilderFlagsMask = 848330091
}
enum SymbolFormatFlags {
None = 0,
WriteTypeParametersOrArguments = 1,
UseOnlyExternalAliasing = 2,
AllowAnyNodeKind = 4,
UseAliasDefinedOutsideCurrentScope = 8
}
enum TypePredicateKind {
This = 0,
Identifier = 1,
AssertsThis = 2,
AssertsIdentifier = 3
}
interface TypePredicateBase {
kind: TypePredicateKind;
type: Type | undefined;
}
interface ThisTypePredicate extends TypePredicateBase {
kind: TypePredicateKind.This;
parameterName: undefined;
parameterIndex: undefined;
type: Type;
}
interface IdentifierTypePredicate extends TypePredicateBase {
kind: TypePredicateKind.Identifier;
parameterName: string;
parameterIndex: number;
type: Type;
}
interface AssertsThisTypePredicate extends TypePredicateBase {
kind: TypePredicateKind.AssertsThis;
parameterName: undefined;
parameterIndex: undefined;
type: Type | undefined;
}
interface AssertsIdentifierTypePredicate extends TypePredicateBase {
kind: TypePredicateKind.AssertsIdentifier;
parameterName: string;
parameterIndex: number;
type: Type | undefined;
}
type TypePredicate = ThisTypePredicate | IdentifierTypePredicate | AssertsThisTypePredicate | AssertsIdentifierTypePredicate;
enum SymbolFlags {
None = 0,
FunctionScopedVariable = 1,
BlockScopedVariable = 2,
Property = 4,
EnumMember = 8,
Function = 16,
Class = 32,
Interface = 64,
ConstEnum = 128,
RegularEnum = 256,
ValueModule = 512,
NamespaceModule = 1024,
TypeLiteral = 2048,
ObjectLiteral = 4096,
Method = 8192,
Constructor = 16384,
GetAccessor = 32768,
SetAccessor = 65536,
Signature = 131072,
TypeParameter = 262144,
TypeAlias = 524288,
ExportValue = 1048576,
Alias = 2097152,
Prototype = 4194304,
ExportStar = 8388608,
Optional = 16777216,
Transient = 33554432,
Assignment = 67108864,
ModuleExports = 134217728,
Enum = 384,
Variable = 3,
Value = 111551,
Type = 788968,
Namespace = 1920,
Module = 1536,
Accessor = 98304,
FunctionScopedVariableExcludes = 111550,
BlockScopedVariableExcludes = 111551,
ParameterExcludes = 111551,
PropertyExcludes = 0,
EnumMemberExcludes = 900095,
FunctionExcludes = 110991,
ClassExcludes = 899503,
InterfaceExcludes = 788872,
RegularEnumExcludes = 899327,
ConstEnumExcludes = 899967,
ValueModuleExcludes = 110735,
NamespaceModuleExcludes = 0,
MethodExcludes = 103359,
GetAccessorExcludes = 46015,
SetAccessorExcludes = 78783,
AccessorExcludes = 13247,
TypeParameterExcludes = 526824,
TypeAliasExcludes = 788968,
AliasExcludes = 2097152,
ModuleMember = 2623475,
ExportHasLocal = 944,
BlockScoped = 418,
PropertyOrAccessor = 98308,
ClassMember = 106500
}
interface Symbol {
flags: SymbolFlags;
escapedName: __String;
declarations?: Declaration[];
valueDeclaration?: Declaration;
members?: SymbolTable;
exports?: SymbolTable;
globalExports?: SymbolTable;
}
interface Symbol {
readonly name: string;
getFlags(): SymbolFlags;
getEscapedName(): __String;
getName(): string;
getDeclarations(): Declaration[] | undefined;
getDocumentationComment(typeChecker: TypeChecker | undefined): SymbolDisplayPart[];
getJsDocTags(checker?: TypeChecker): JSDocTagInfo[];
}
enum InternalSymbolName {
Call = "__call",
Constructor = "__constructor",
New = "__new",
Index = "__index",
ExportStar = "__export",
Global = "__global",
Missing = "__missing",
Type = "__type",
Object = "__object",
JSXAttributes = "__jsxAttributes",
Class = "__class",
Function = "__function",
Computed = "__computed",
Resolving = "__resolving__",
ExportEquals = "export=",
Default = "default",
This = "this"
}
/**
* This represents a string whose leading underscore have been escaped by adding extra leading underscores.
* The shape of this brand is rather unique compared to others we've used.
* Instead of just an intersection of a string and an object, it is that union-ed
* with an intersection of void and an object. This makes it wholly incompatible
* with a normal string (which is good, it cannot be misused on assignment or on usage),
* while still being comparable with a normal string via === (also good) and castable from a string.
*/
type __String = (string & {
__escapedIdentifier: void;
}) | (void & {
__escapedIdentifier: void;
}) | InternalSymbolName;
/** ReadonlyMap where keys are `__String`s. */
interface ReadonlyUnderscoreEscapedMap<T> extends ReadonlyMap<__String, T> {
}
/** Map where keys are `__String`s. */
interface UnderscoreEscapedMap<T> extends Map<__String, T> {
}
/** SymbolTable based on ES6 Map interface. */
type SymbolTable = UnderscoreEscapedMap<Symbol>;
enum TypeFlags {
Any = 1,
Unknown = 2,
String = 4,
Number = 8,
Boolean = 16,
Enum = 32,
BigInt = 64,
StringLiteral = 128,
NumberLiteral = 256,
BooleanLiteral = 512,
EnumLiteral = 1024,
BigIntLiteral = 2048,
ESSymbol = 4096,
UniqueESSymbol = 8192,
Void = 16384,
Undefined = 32768,
Null = 65536,
Never = 131072,
TypeParameter = 262144,
Object = 524288,
Union = 1048576,
Intersection = 2097152,
Index = 4194304,
IndexedAccess = 8388608,
Conditional = 16777216,
Substitution = 33554432,
NonPrimitive = 67108864,
TemplateLiteral = 134217728,
StringMapping = 268435456,
Literal = 2944,
Unit = 109472,
Freshable = 2976,
StringOrNumberLiteral = 384,
PossiblyFalsy = 117724,
StringLike = 402653316,
NumberLike = 296,
BigIntLike = 2112,
BooleanLike = 528,
EnumLike = 1056,
ESSymbolLike = 12288,
VoidLike = 49152,
UnionOrIntersection = 3145728,
StructuredType = 3670016,
TypeVariable = 8650752,
InstantiableNonPrimitive = 58982400,
InstantiablePrimitive = 406847488,
Instantiable = 465829888,
StructuredOrInstantiable = 469499904,
Narrowable = 536624127
}
type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression;
interface Type {
flags: TypeFlags;
symbol: Symbol;
pattern?: DestructuringPattern;
aliasSymbol?: Symbol;
aliasTypeArguments?: readonly Type[];
}
interface Type {
getFlags(): TypeFlags;
getSymbol(): Symbol | undefined;
getProperties(): Symbol[];
getProperty(propertyName: string): Symbol | undefined;
getApparentProperties(): Symbol[];
getCallSignatures(): readonly Signature[];
getConstructSignatures(): readonly Signature[];
getStringIndexType(): Type | undefined;
getNumberIndexType(): Type | undefined;
getBaseTypes(): BaseType[] | undefined;
getNonNullableType(): Type;
getConstraint(): Type | undefined;
getDefault(): Type | undefined;
isUnion(): this is UnionType;
isIntersection(): this is IntersectionType;
isUnionOrIntersection(): this is UnionOrIntersectionType;
isLiteral(): this is LiteralType;
isStringLiteral(): this is StringLiteralType;
isNumberLiteral(): this is NumberLiteralType;
isTypeParameter(): this is TypeParameter;
isClassOrInterface(): this is InterfaceType;
isClass(): this is InterfaceType;
isIndexType(): this is IndexType;
}
interface FreshableType extends Type {
freshType: FreshableType;
regularType: FreshableType;
}
interface LiteralType extends FreshableType {
value: string | number | PseudoBigInt;
}
interface UniqueESSymbolType extends Type {
symbol: Symbol;
escapedName: __String;
}
interface StringLiteralType extends LiteralType {
value: string;
}
interface NumberLiteralType extends LiteralType {
value: number;
}
interface BigIntLiteralType extends LiteralType {
value: PseudoBigInt;
}
interface EnumType extends FreshableType {
}
enum ObjectFlags {
None = 0,
Class = 1,
Interface = 2,
Reference = 4,
Tuple = 8,
Anonymous = 16,
Mapped = 32,
Instantiated = 64,
ObjectLiteral = 128,
EvolvingArray = 256,
ObjectLiteralPatternWithComputedProperties = 512,
ReverseMapped = 1024,
JsxAttributes = 2048,
JSLiteral = 4096,
FreshLiteral = 8192,
ArrayLiteral = 16384,
ClassOrInterface = 3,
ContainsSpread = 2097152,
ObjectRestType = 4194304,
InstantiationExpressionType = 8388608
}
interface ObjectType extends Type {
objectFlags: ObjectFlags;
}
/** Class and interface types (ObjectFlags.Class and ObjectFlags.Interface). */
interface InterfaceType extends ObjectType {
typeParameters: TypeParameter[] | undefined;
outerTypeParameters: TypeParameter[] | undefined;
localTypeParameters: TypeParameter[] | undefined;
thisType: TypeParameter | undefined;
}
type BaseType = ObjectType | IntersectionType | TypeVariable;
interface InterfaceTypeWithDeclaredMembers extends InterfaceType {
declaredProperties: Symbol[];
declaredCallSignatures: Signature[];
declaredConstructSignatures: Signature[];
declaredIndexInfos: IndexInfo[];
}
/**
* Type references (ObjectFlags.Reference). When a class or interface has type parameters or
* a "this" type, references to the class or interface are made using type references. The
* typeArguments property specifies the types to substitute for the type parameters of the
* class or interface and optionally includes an extra element that specifies the type to
* substitute for "this" in the resulting instantiation. When no extra argument is present,
* the type reference itself is substituted for "this". The typeArguments property is undefined
* if the class or interface has no type parameters and the reference isn't specifying an
* explicit "this" argument.
*/
interface TypeReference extends ObjectType {
target: GenericType;
node?: TypeReferenceNode | ArrayTypeNode | TupleTypeNode;
}
interface TypeReference {
typeArguments?: readonly Type[];
}
interface DeferredTypeReference extends TypeReference {
}
interface GenericType extends InterfaceType, TypeReference {
}
enum ElementFlags {
Required = 1,
Optional = 2,
Rest = 4,
Variadic = 8,
Fixed = 3,
Variable = 12,
NonRequired = 14,
NonRest = 11
}
interface TupleType extends GenericType {
elementFlags: readonly ElementFlags[];
/** Number of required or variadic elements */
minLength: number;
/** Number of initial required or optional elements */
fixedLength: number;
/** True if tuple has any rest or variadic elements */
hasRestElement: boolean;
combinedFlags: ElementFlags;
readonly: boolean;
labeledElementDeclarations?: readonly (NamedTupleMember | ParameterDeclaration)[];
}
interface TupleTypeReference extends TypeReference {
target: TupleType;
}
interface UnionOrIntersectionType extends Type {
types: Type[];
}
interface UnionType extends UnionOrIntersectionType {
}
interface IntersectionType extends UnionOrIntersectionType {
}
type StructuredType = ObjectType | UnionType | IntersectionType;
interface EvolvingArrayType extends ObjectType {
elementType: Type;
finalArrayType?: Type;
}
interface InstantiableType extends Type {
}
interface TypeParameter extends InstantiableType {
}
interface IndexedAccessType extends InstantiableType {
objectType: Type;
indexType: Type;
constraint?: Type;
simplifiedForReading?: Type;
simplifiedForWriting?: Type;
}
type TypeVariable = TypeParameter | IndexedAccessType;
interface IndexType extends InstantiableType {
type: InstantiableType | UnionOrIntersectionType;
}
interface ConditionalRoot {
node: ConditionalTypeNode;
checkType: Type;
extendsType: Type;
isDistributive: boolean;
inferTypeParameters?: TypeParameter[];
outerTypeParameters?: TypeParameter[];
instantiations?: Map<string, Type>;
aliasSymbol?: Symbol;
aliasTypeArguments?: Type[];
}
interface ConditionalType extends InstantiableType {
root: ConditionalRoot;
checkType: Type;
extendsType: Type;
resolvedTrueType?: Type;
resolvedFalseType?: Type;
}
interface TemplateLiteralType extends InstantiableType {
texts: readonly string[];
types: readonly Type[];
}
interface StringMappingType extends InstantiableType {
symbol: Symbol;
type: Type;
}
interface SubstitutionType extends InstantiableType {
objectFlags: ObjectFlags;
baseType: Type;
constraint: Type;
}
enum SignatureKind {
Call = 0,
Construct = 1
}
interface Signature {
declaration?: SignatureDeclaration | JSDocSignature;
typeParameters?: readonly TypeParameter[];
parameters: readonly Symbol[];
}
interface Signature {
getDeclaration(): SignatureDeclaration;
getTypeParameters(): TypeParameter[] | undefined;
getParameters(): Symbol[];
getTypeParameterAtPosition(pos: number): Type;
getReturnType(): Type;
getDocumentationComment(typeChecker: TypeChecker | undefined): SymbolDisplayPart[];
getJsDocTags(): JSDocTagInfo[];
}
enum IndexKind {
String = 0,
Number = 1
}
interface IndexInfo {
keyType: Type;
type: Type;
isReadonly: boolean;
declaration?: IndexSignatureDeclaration;
}
enum InferencePriority {
None = 0,
NakedTypeVariable = 1,
SpeculativeTuple = 2,
SubstituteSource = 4,
HomomorphicMappedType = 8,
PartialHomomorphicMappedType = 16,
MappedTypeConstraint = 32,
ContravariantConditional = 64,
ReturnType = 128,
LiteralKeyof = 256,
NoConstraints = 512,
AlwaysStrict = 1024,
MaxValue = 2048,
PriorityImpliesCombination = 416,
Circularity = -1
}
interface FileExtensionInfo {
extension: string;
isMixedContent: boolean;
scriptKind?: ScriptKind;
}
interface DiagnosticMessage {
key: string;
category: DiagnosticCategory;
code: number;
message: string;
reportsUnnecessary?: {};
reportsDeprecated?: {};
}
/**
* A linked list of formatted diagnostic messages to be used as part of a multiline message.
* It is built from the bottom up, leaving the head to be the "main" diagnostic.
* While it seems that DiagnosticMessageChain is structurally similar to DiagnosticMessage,
* the difference is that messages are all preformatted in DMC.
*/
interface DiagnosticMessageChain {
messageText: string;
category: DiagnosticCategory;
code: number;
next?: DiagnosticMessageChain[];
}
interface Diagnostic extends DiagnosticRelatedInformation {
/** May store more in future. For now, this will simply be `true` to indicate when a diagnostic is an unused-identifier diagnostic. */
reportsUnnecessary?: {};
reportsDeprecated?: {};
source?: string;
relatedInformation?: DiagnosticRelatedInformation[];
}
interface DiagnosticRelatedInformation {
category: DiagnosticCategory;
code: number;
file: SourceFile | undefined;
start: number | undefined;
length: number | undefined;
messageText: string | DiagnosticMessageChain;
}
interface DiagnosticWithLocation extends Diagnostic {
file: SourceFile;
start: number;
length: number;
}
enum DiagnosticCategory {
Warning = 0,
Error = 1,
Suggestion = 2,
Message = 3
}
enum ModuleResolutionKind {
Classic = 1,
/**
* @deprecated
* `NodeJs` was renamed to `Node10` to better reflect the version of Node that it targets.
* Use the new name or consider switching to a modern module resolution target.
*/
NodeJs = 2,
Node10 = 2,
Node16 = 3,
NodeNext = 99,
Bundler = 100
}
enum ModuleDetectionKind {
/**
* Files with imports, exports and/or import.meta are considered modules
*/
Legacy = 1,
/**
* Legacy, but also files with jsx under react-jsx or react-jsxdev and esm mode files under moduleResolution: node16+
*/
Auto = 2,
/**
* Consider all non-declaration files modules, regardless of present syntax
*/
Force = 3
}
interface PluginImport {
name: string;
}
interface ProjectReference {
/** A normalized path on disk */
path: string;
/** The path as the user originally wrote it */
originalPath?: string;
/** True if the output of this reference should be prepended to the output of this project. Only valid for --outFile compilations */
prepend?: boolean;
/** True if it is intended that this reference form a circularity */
circular?: boolean;
}
enum WatchFileKind {
FixedPollingInterval = 0,
PriorityPollingInterval = 1,
DynamicPriorityPolling = 2,
FixedChunkSizePolling = 3,
UseFsEvents = 4,
UseFsEventsOnParentDirectory = 5
}
enum WatchDirectoryKind {
UseFsEvents = 0,
FixedPollingInterval = 1,
DynamicPriorityPolling = 2,
FixedChunkSizePolling = 3
}
enum PollingWatchKind {
FixedInterval = 0,
PriorityInterval = 1,
DynamicPriority = 2,
FixedChunkSize = 3
}
type CompilerOptionsValue = string | number | boolean | (string | number)[] | string[] | MapLike<string[]> | PluginImport[] | ProjectReference[] | null | undefined;
interface CompilerOptions {
allowImportingTsExtensions?: boolean;
allowJs?: boolean;
allowArbitraryExtensions?: boolean;
allowSyntheticDefaultImports?: boolean;
allowUmdGlobalAccess?: boolean;
allowUnreachableCode?: boolean;
allowUnusedLabels?: boolean;
alwaysStrict?: boolean;
baseUrl?: string;
charset?: string;
checkJs?: boolean;
customConditions?: string[];
declaration?: boolean;
declarationMap?: boolean;
emitDeclarationOnly?: boolean;
declarationDir?: string;
disableSizeLimit?: boolean;
disableSourceOfProjectReferenceRedirect?: boolean;
disableSolutionSearching?: boolean;
disableReferencedProjectLoad?: boolean;
downlevelIteration?: boolean;
emitBOM?: boolean;
emitDecoratorMetadata?: boolean;
exactOptionalPropertyTypes?: boolean;
experimentalDecorators?: boolean;
forceConsistentCasingInFileNames?: boolean;
ignoreDeprecations?: string;
importHelpers?: boolean;
importsNotUsedAsValues?: ImportsNotUsedAsValues;
inlineSourceMap?: boolean;
inlineSources?: boolean;
isolatedModules?: boolean;
jsx?: JsxEmit;
keyofStringsOnly?: boolean;
lib?: string[];
locale?: string;
mapRoot?: string;
maxNodeModuleJsDepth?: number;
module?: ModuleKind;
moduleResolution?: ModuleResolutionKind;
moduleSuffixes?: string[];
moduleDetection?: ModuleDetectionKind;
newLine?: NewLineKind;
noEmit?: boolean;
noEmitHelpers?: boolean;
noEmitOnError?: boolean;
noErrorTruncation?: boolean;
noFallthroughCasesInSwitch?: boolean;
noImplicitAny?: boolean;
noImplicitReturns?: boolean;
noImplicitThis?: boolean;
noStrictGenericChecks?: boolean;
noUnusedLocals?: boolean;
noUnusedParameters?: boolean;
noImplicitUseStrict?: boolean;
noPropertyAccessFromIndexSignature?: boolean;
assumeChangesOnlyAffectDirectDependencies?: boolean;
noLib?: boolean;
noResolve?: boolean;
noUncheckedIndexedAccess?: boolean;
out?: string;
outDir?: string;
outFile?: string;
paths?: MapLike<string[]>;
preserveConstEnums?: boolean;
noImplicitOverride?: boolean;
preserveSymlinks?: boolean;
preserveValueImports?: boolean;
project?: string;
reactNamespace?: string;
jsxFactory?: string;
jsxFragmentFactory?: string;
jsxImportSource?: string;
composite?: boolean;
incremental?: boolean;
tsBuildInfoFile?: string;
removeComments?: boolean;
resolvePackageJsonExports?: boolean;
resolvePackageJsonImports?: boolean;
rootDir?: string;
rootDirs?: string[];
skipLibCheck?: boolean;
skipDefaultLibCheck?: boolean;
sourceMap?: boolean;
sourceRoot?: string;
strict?: boolean;
strictFunctionTypes?: boolean;
strictBindCallApply?: boolean;
strictNullChecks?: boolean;
strictPropertyInitialization?: boolean;
stripInternal?: boolean;
suppressExcessPropertyErrors?: boolean;
suppressImplicitAnyIndexErrors?: boolean;
target?: ScriptTarget;
traceResolution?: boolean;
useUnknownInCatchVariables?: boolean;
resolveJsonModule?: boolean;
types?: string[];
/** Paths used to compute primary types search locations */
typeRoots?: string[];
verbatimModuleSyntax?: boolean;
esModuleInterop?: boolean;
useDefineForClassFields?: boolean;
[option: string]: CompilerOptionsValue | TsConfigSourceFile | undefined;
}
interface WatchOptions {
watchFile?: WatchFileKind;
watchDirectory?: WatchDirectoryKind;
fallbackPolling?: PollingWatchKind;
synchronousWatchDirectory?: boolean;
excludeDirectories?: string[];
excludeFiles?: string[];
[option: string]: CompilerOptionsValue | undefined;
}
interface TypeAcquisition {
enable?: boolean;
include?: string[];
exclude?: string[];
disableFilenameBasedTypeAcquisition?: boolean;
[option: string]: CompilerOptionsValue | undefined;
}
enum ModuleKind {
None = 0,
CommonJS = 1,
AMD = 2,
UMD = 3,
System = 4,
ES2015 = 5,
ES2020 = 6,
ES2022 = 7,
ESNext = 99,
Node16 = 100,
NodeNext = 199
}
enum JsxEmit {
None = 0,
Preserve = 1,
React = 2,
ReactNative = 3,
ReactJSX = 4,
ReactJSXDev = 5
}
enum ImportsNotUsedAsValues {
Remove = 0,
Preserve = 1,
Error = 2
}
enum NewLineKind {
CarriageReturnLineFeed = 0,
LineFeed = 1
}
interface LineAndCharacter {
/** 0-based. */
line: number;
character: number;
}
enum ScriptKind {
Unknown = 0,
JS = 1,
JSX = 2,
TS = 3,
TSX = 4,
External = 5,
JSON = 6,
/**
* Used on extensions that doesn't define the ScriptKind but the content defines it.
* Deferred extensions are going to be included in all project contexts.
*/
Deferred = 7
}
enum ScriptTarget {
ES3 = 0,
ES5 = 1,
ES2015 = 2,
ES2016 = 3,
ES2017 = 4,
ES2018 = 5,
ES2019 = 6,
ES2020 = 7,
ES2021 = 8,
ES2022 = 9,
ESNext = 99,
JSON = 100,
Latest = 99
}
enum LanguageVariant {
Standard = 0,
JSX = 1
}
/** Either a parsed command line or a parsed tsconfig.json */
interface ParsedCommandLine {
options: CompilerOptions;
typeAcquisition?: TypeAcquisition;
fileNames: string[];
projectReferences?: readonly ProjectReference[];
watchOptions?: WatchOptions;
raw?: any;
errors: Diagnostic[];
wildcardDirectories?: MapLike<WatchDirectoryFlags>;
compileOnSave?: boolean;
}
enum WatchDirectoryFlags {
None = 0,
Recursive = 1
}
interface CreateProgramOptions {
rootNames: readonly string[];
options: CompilerOptions;
projectReferences?: readonly ProjectReference[];
host?: CompilerHost;
oldProgram?: Program;
configFileParsingDiagnostics?: readonly Diagnostic[];
}
interface ModuleResolutionHost {
fileExists(fileName: string): boolean;
readFile(fileName: string): string | undefined;
trace?(s: string): void;
directoryExists?(directoryName: string): boolean;
/**
* Resolve a symbolic link.
* @see https://nodejs.org/api/fs.html#fs_fs_realpathsync_path_options
*/
realpath?(path: string): string;
getCurrentDirectory?(): string;
getDirectories?(path: string): string[];
useCaseSensitiveFileNames?: boolean | (() => boolean) | undefined;
}
/**
* Used by services to specify the minimum host area required to set up source files under any compilation settings
*/
interface MinimalResolutionCacheHost extends ModuleResolutionHost {
getCompilationSettings(): CompilerOptions;
getCompilerHost?(): CompilerHost | undefined;
}
/**
* Represents the result of module resolution.
* Module resolution will pick up tsx/jsx/js files even if '--jsx' and '--allowJs' are turned off.
* The Program will then filter results based on these flags.
*
* Prefer to return a `ResolvedModuleFull` so that the file type does not have to be inferred.
*/
interface ResolvedModule {
/** Path of the file the module was resolved to. */
resolvedFileName: string;
/** True if `resolvedFileName` comes from `node_modules`. */
isExternalLibraryImport?: boolean;
/**
* True if the original module reference used a .ts extension to refer directly to a .ts file,
* which should produce an error during checking if emit is enabled.
*/
resolvedUsingTsExtension?: boolean;
}
/**
* ResolvedModule with an explicitly provided `extension` property.
* Prefer this over `ResolvedModule`.
* If changing this, remember to change `moduleResolutionIsEqualTo`.
*/
interface ResolvedModuleFull extends ResolvedModule {
/**
* Extension of resolvedFileName. This must match what's at the end of resolvedFileName.
* This is optional for backwards-compatibility, but will be added if not provided.
*/
extension: string;
packageId?: PackageId;
}
/**
* Unique identifier with a package name and version.
* If changing this, remember to change `packageIdIsEqual`.
*/
interface PackageId {
/**
* Name of the package.
* Should not include `@types`.
* If accessing a non-index file, this should include its name e.g. "foo/bar".
*/
name: string;
/**
* Name of a submodule within this package.
* May be "".
*/
subModuleName: string;
/** Version of the package, e.g. "1.2.3" */
version: string;
}
enum Extension {
Ts = ".ts",
Tsx = ".tsx",
Dts = ".d.ts",
Js = ".js",
Jsx = ".jsx",
Json = ".json",
TsBuildInfo = ".tsbuildinfo",
Mjs = ".mjs",
Mts = ".mts",
Dmts = ".d.mts",
Cjs = ".cjs",
Cts = ".cts",
Dcts = ".d.cts"
}
interface ResolvedModuleWithFailedLookupLocations {
readonly resolvedModule: ResolvedModuleFull | undefined;
}
interface ResolvedTypeReferenceDirective {
primary: boolean;
resolvedFileName: string | undefined;
packageId?: PackageId;
/** True if `resolvedFileName` comes from `node_modules`. */
isExternalLibraryImport?: boolean;
}
interface ResolvedTypeReferenceDirectiveWithFailedLookupLocations {
readonly resolvedTypeReferenceDirective: ResolvedTypeReferenceDirective | undefined;
}
interface CompilerHost extends ModuleResolutionHost {
getSourceFile(fileName: string, languageVersionOrOptions: ScriptTarget | CreateSourceFileOptions, onError?: (message: string) => void, shouldCreateNewSourceFile?: boolean): SourceFile | undefined;
getSourceFileByPath?(fileName: string, path: Path, languageVersionOrOptions: ScriptTarget | CreateSourceFileOptions, onError?: (message: string) => void, shouldCreateNewSourceFile?: boolean): SourceFile | undefined;
getCancellationToken?(): CancellationToken;
getDefaultLibFileName(options: CompilerOptions): string;
getDefaultLibLocation?(): string;
writeFile: WriteFileCallback;
getCurrentDirectory(): string;
getCanonicalFileName(fileName: string): string;
useCaseSensitiveFileNames(): boolean;
getNewLine(): string;
readDirectory?(rootDir: string, extensions: readonly string[], excludes: readonly string[] | undefined, includes: readonly string[], depth?: number): string[];
/** @deprecated supply resolveModuleNameLiterals instead for resolution that can handle newer resolution modes like nodenext */
resolveModuleNames?(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingSourceFile?: SourceFile): (ResolvedModule | undefined)[];
/**
* Returns the module resolution cache used by a provided `resolveModuleNames` implementation so that any non-name module resolution operations (eg, package.json lookup) can reuse it
*/
getModuleResolutionCache?(): ModuleResolutionCache | undefined;
/**
* @deprecated supply resolveTypeReferenceDirectiveReferences instead for resolution that can handle newer resolution modes like nodenext
*
* This method is a companion for 'resolveModuleNames' and is used to resolve 'types' references to actual type declaration files
*/
resolveTypeReferenceDirectives?(typeReferenceDirectiveNames: string[] | readonly FileReference[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingFileMode?: ResolutionMode): (ResolvedTypeReferenceDirective | undefined)[];
resolveModuleNameLiterals?(moduleLiterals: readonly StringLiteralLike[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingSourceFile: SourceFile, reusedNames: readonly StringLiteralLike[] | undefined): readonly ResolvedModuleWithFailedLookupLocations[];
resolveTypeReferenceDirectiveReferences?<T extends FileReference | string>(typeDirectiveReferences: readonly T[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingSourceFile: SourceFile | undefined, reusedNames: readonly T[] | undefined): readonly ResolvedTypeReferenceDirectiveWithFailedLookupLocations[];
getEnvironmentVariable?(name: string): string | undefined;
/** If provided along with custom resolveModuleNames or resolveTypeReferenceDirectives, used to determine if unchanged file path needs to re-resolve modules/type reference directives */
hasInvalidatedResolutions?(filePath: Path): boolean;
createHash?(data: string): string;
getParsedCommandLine?(fileName: string): ParsedCommandLine | undefined;
}
interface SourceMapRange extends TextRange {
source?: SourceMapSource;
}
interface SourceMapSource {
fileName: string;
text: string;
skipTrivia?: (pos: number) => number;
}
interface SourceMapSource {
getLineAndCharacterOfPosition(pos: number): LineAndCharacter;
}
enum EmitFlags {
None = 0,
SingleLine = 1,
MultiLine = 2,
AdviseOnEmitNode = 4,
NoSubstitution = 8,
CapturesThis = 16,
NoLeadingSourceMap = 32,
NoTrailingSourceMap = 64,
NoSourceMap = 96,
NoNestedSourceMaps = 128,
NoTokenLeadingSourceMaps = 256,
NoTokenTrailingSourceMaps = 512,
NoTokenSourceMaps = 768,
NoLeadingComments = 1024,
NoTrailingComments = 2048,
NoComments = 3072,
NoNestedComments = 4096,
HelperName = 8192,
ExportName = 16384,
LocalName = 32768,
InternalName = 65536,
Indented = 131072,
NoIndentation = 262144,
AsyncFunctionBody = 524288,
ReuseTempVariableScope = 1048576,
CustomPrologue = 2097152,
NoHoisting = 4194304,
HasEndOfDeclarationMarker = 8388608,
Iterator = 16777216,
NoAsciiEscaping = 33554432
}
interface EmitHelperBase {
readonly name: string;
readonly scoped: boolean;
readonly text: string | ((node: EmitHelperUniqueNameCallback) => string);
readonly priority?: number;
readonly dependencies?: EmitHelper[];
}
interface ScopedEmitHelper extends EmitHelperBase {
readonly scoped: true;
}
interface UnscopedEmitHelper extends EmitHelperBase {
readonly scoped: false;
readonly text: string;
}
type EmitHelper = ScopedEmitHelper | UnscopedEmitHelper;
type EmitHelperUniqueNameCallback = (name: string) => string;
enum EmitHint {
SourceFile = 0,
Expression = 1,
IdentifierName = 2,
MappedTypeParameter = 3,
Unspecified = 4,
EmbeddedStatement = 5,
JsxAttributeValue = 6
}
enum OuterExpressionKinds {
Parentheses = 1,
TypeAssertions = 2,
NonNullAssertions = 4,
PartiallyEmittedExpressions = 8,
Assertions = 6,
All = 15,
ExcludeJSDocTypeAssertion = 16
}
type TypeOfTag = "undefined" | "number" | "bigint" | "boolean" | "string" | "symbol" | "object" | "function";
interface NodeFactory {
createNodeArray<T extends Node>(elements?: readonly T[], hasTrailingComma?: boolean): NodeArray<T>;
createNumericLiteral(value: string | number, numericLiteralFlags?: TokenFlags): NumericLiteral;
createBigIntLiteral(value: string | PseudoBigInt): BigIntLiteral;
createStringLiteral(text: string, isSingleQuote?: boolean): StringLiteral;
createStringLiteralFromNode(sourceNode: PropertyNameLiteral | PrivateIdentifier, isSingleQuote?: boolean): StringLiteral;
createRegularExpressionLiteral(text: string): RegularExpressionLiteral;
createIdentifier(text: string): Identifier;
/**
* Create a unique temporary variable.
* @param recordTempVariable An optional callback used to record the temporary variable name. This
* should usually be a reference to `hoistVariableDeclaration` from a `TransformationContext`, but
* can be `undefined` if you plan to record the temporary variable manually.
* @param reservedInNestedScopes When `true`, reserves the temporary variable name in all nested scopes
* during emit so that the variable can be referenced in a nested function body. This is an alternative to
* setting `EmitFlags.ReuseTempVariableScope` on the nested function itself.
*/
createTempVariable(recordTempVariable: ((node: Identifier) => void) | undefined, reservedInNestedScopes?: boolean): Identifier;
/**
* Create a unique temporary variable for use in a loop.
* @param reservedInNestedScopes When `true`, reserves the temporary variable name in all nested scopes
* during emit so that the variable can be referenced in a nested function body. This is an alternative to
* setting `EmitFlags.ReuseTempVariableScope` on the nested function itself.
*/
createLoopVariable(reservedInNestedScopes?: boolean): Identifier;
/** Create a unique name based on the supplied text. */
createUniqueName(text: string, flags?: GeneratedIdentifierFlags): Identifier;
/** Create a unique name generated for a node. */
getGeneratedNameForNode(node: Node | undefined, flags?: GeneratedIdentifierFlags): Identifier;
createPrivateIdentifier(text: string): PrivateIdentifier;
createUniquePrivateName(text?: string): PrivateIdentifier;
getGeneratedPrivateNameForNode(node: Node): PrivateIdentifier;
createToken(token: SyntaxKind.SuperKeyword): SuperExpression;
createToken(token: SyntaxKind.ThisKeyword): ThisExpression;
createToken(token: SyntaxKind.NullKeyword): NullLiteral;
createToken(token: SyntaxKind.TrueKeyword): TrueLiteral;
createToken(token: SyntaxKind.FalseKeyword): FalseLiteral;
createToken(token: SyntaxKind.EndOfFileToken): EndOfFileToken;
createToken(token: SyntaxKind.Unknown): Token<SyntaxKind.Unknown>;
createToken<TKind extends PunctuationSyntaxKind>(token: TKind): PunctuationToken<TKind>;
createToken<TKind extends KeywordTypeSyntaxKind>(token: TKind): KeywordTypeNode<TKind>;
createToken<TKind extends ModifierSyntaxKind>(token: TKind): ModifierToken<TKind>;
createToken<TKind extends KeywordSyntaxKind>(token: TKind): KeywordToken<TKind>;
createSuper(): SuperExpression;
createThis(): ThisExpression;
createNull(): NullLiteral;
createTrue(): TrueLiteral;
createFalse(): FalseLiteral;
createModifier<T extends ModifierSyntaxKind>(kind: T): ModifierToken<T>;
createModifiersFromModifierFlags(flags: ModifierFlags): Modifier[] | undefined;
createQualifiedName(left: EntityName, right: string | Identifier): QualifiedName;
updateQualifiedName(node: QualifiedName, left: EntityName, right: Identifier): QualifiedName;
createComputedPropertyName(expression: Expression): ComputedPropertyName;
updateComputedPropertyName(node: ComputedPropertyName, expression: Expression): ComputedPropertyName;
createTypeParameterDeclaration(modifiers: readonly Modifier[] | undefined, name: string | Identifier, constraint?: TypeNode, defaultType?: TypeNode): TypeParameterDeclaration;
updateTypeParameterDeclaration(node: TypeParameterDeclaration, modifiers: readonly Modifier[] | undefined, name: Identifier, constraint: TypeNode | undefined, defaultType: TypeNode | undefined): TypeParameterDeclaration;
createParameterDeclaration(modifiers: readonly ModifierLike[] | undefined, dotDotDotToken: DotDotDotToken | undefined, name: string | BindingName, questionToken?: QuestionToken, type?: TypeNode, initializer?: Expression): ParameterDeclaration;
updateParameterDeclaration(node: ParameterDeclaration, modifiers: readonly ModifierLike[] | undefined, dotDotDotToken: DotDotDotToken | undefined, name: string | BindingName, questionToken: QuestionToken | undefined, type: TypeNode | undefined, initializer: Expression | undefined): ParameterDeclaration;
createDecorator(expression: Expression): Decorator;
updateDecorator(node: Decorator, expression: Expression): Decorator;
createPropertySignature(modifiers: readonly Modifier[] | undefined, name: PropertyName | string, questionToken: QuestionToken | undefined, type: TypeNode | undefined): PropertySignature;
updatePropertySignature(node: PropertySignature, modifiers: readonly Modifier[] | undefined, name: PropertyName, questionToken: QuestionToken | undefined, type: TypeNode | undefined): PropertySignature;
createPropertyDeclaration(modifiers: readonly ModifierLike[] | undefined, name: string | PropertyName, questionOrExclamationToken: QuestionToken | ExclamationToken | undefined, type: TypeNode | undefined, initializer: Expression | undefined): PropertyDeclaration;
updatePropertyDeclaration(node: PropertyDeclaration, modifiers: readonly ModifierLike[] | undefined, name: string | PropertyName, questionOrExclamationToken: QuestionToken | ExclamationToken | undefined, type: TypeNode | undefined, initializer: Expression | undefined): PropertyDeclaration;
createMethodSignature(modifiers: readonly Modifier[] | undefined, name: string | PropertyName, questionToken: QuestionToken | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined): MethodSignature;
updateMethodSignature(node: MethodSignature, modifiers: readonly Modifier[] | undefined, name: PropertyName, questionToken: QuestionToken | undefined, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode | undefined): MethodSignature;
createMethodDeclaration(modifiers: readonly ModifierLike[] | undefined, asteriskToken: AsteriskToken | undefined, name: string | PropertyName, questionToken: QuestionToken | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): MethodDeclaration;
updateMethodDeclaration(node: MethodDeclaration, modifiers: readonly ModifierLike[] | undefined, asteriskToken: AsteriskToken | undefined, name: PropertyName, questionToken: QuestionToken | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): MethodDeclaration;
createConstructorDeclaration(modifiers: readonly ModifierLike[] | undefined, parameters: readonly ParameterDeclaration[], body: Block | undefined): ConstructorDeclaration;
updateConstructorDeclaration(node: ConstructorDeclaration, modifiers: readonly ModifierLike[] | undefined, parameters: readonly ParameterDeclaration[], body: Block | undefined): ConstructorDeclaration;
createGetAccessorDeclaration(modifiers: readonly ModifierLike[] | undefined, name: string | PropertyName, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): GetAccessorDeclaration;
updateGetAccessorDeclaration(node: GetAccessorDeclaration, modifiers: readonly ModifierLike[] | undefined, name: PropertyName, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): GetAccessorDeclaration;
createSetAccessorDeclaration(modifiers: readonly ModifierLike[] | undefined, name: string | PropertyName, parameters: readonly ParameterDeclaration[], body: Block | undefined): SetAccessorDeclaration;
updateSetAccessorDeclaration(node: SetAccessorDeclaration, modifiers: readonly ModifierLike[] | undefined, name: PropertyName, parameters: readonly ParameterDeclaration[], body: Block | undefined): SetAccessorDeclaration;
createCallSignature(typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined): CallSignatureDeclaration;
updateCallSignature(node: CallSignatureDeclaration, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode | undefined): CallSignatureDeclaration;
createConstructSignature(typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined): ConstructSignatureDeclaration;
updateConstructSignature(node: ConstructSignatureDeclaration, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode | undefined): ConstructSignatureDeclaration;
createIndexSignature(modifiers: readonly ModifierLike[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode): IndexSignatureDeclaration;
updateIndexSignature(node: IndexSignatureDeclaration, modifiers: readonly ModifierLike[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode): IndexSignatureDeclaration;
createTemplateLiteralTypeSpan(type: TypeNode, literal: TemplateMiddle | TemplateTail): TemplateLiteralTypeSpan;
updateTemplateLiteralTypeSpan(node: TemplateLiteralTypeSpan, type: TypeNode, literal: TemplateMiddle | TemplateTail): TemplateLiteralTypeSpan;
createClassStaticBlockDeclaration(body: Block): ClassStaticBlockDeclaration;
updateClassStaticBlockDeclaration(node: ClassStaticBlockDeclaration, body: Block): ClassStaticBlockDeclaration;
createKeywordTypeNode<TKind extends KeywordTypeSyntaxKind>(kind: TKind): KeywordTypeNode<TKind>;
createTypePredicateNode(assertsModifier: AssertsKeyword | undefined, parameterName: Identifier | ThisTypeNode | string, type: TypeNode | undefined): TypePredicateNode;
updateTypePredicateNode(node: TypePredicateNode, assertsModifier: AssertsKeyword | undefined, parameterName: Identifier | ThisTypeNode, type: TypeNode | undefined): TypePredicateNode;
createTypeReferenceNode(typeName: string | EntityName, typeArguments?: readonly TypeNode[]): TypeReferenceNode;
updateTypeReferenceNode(node: TypeReferenceNode, typeName: EntityName, typeArguments: NodeArray<TypeNode> | undefined): TypeReferenceNode;
createFunctionTypeNode(typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode): FunctionTypeNode;
updateFunctionTypeNode(node: FunctionTypeNode, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode): FunctionTypeNode;
createConstructorTypeNode(modifiers: readonly Modifier[] | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode): ConstructorTypeNode;
updateConstructorTypeNode(node: ConstructorTypeNode, modifiers: readonly Modifier[] | undefined, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode): ConstructorTypeNode;
createTypeQueryNode(exprName: EntityName, typeArguments?: readonly TypeNode[]): TypeQueryNode;
updateTypeQueryNode(node: TypeQueryNode, exprName: EntityName, typeArguments?: readonly TypeNode[]): TypeQueryNode;
createTypeLiteralNode(members: readonly TypeElement[] | undefined): TypeLiteralNode;
updateTypeLiteralNode(node: TypeLiteralNode, members: NodeArray<TypeElement>): TypeLiteralNode;
createArrayTypeNode(elementType: TypeNode): ArrayTypeNode;
updateArrayTypeNode(node: ArrayTypeNode, elementType: TypeNode): ArrayTypeNode;
createTupleTypeNode(elements: readonly (TypeNode | NamedTupleMember)[]): TupleTypeNode;
updateTupleTypeNode(node: TupleTypeNode, elements: readonly (TypeNode | NamedTupleMember)[]): TupleTypeNode;
createNamedTupleMember(dotDotDotToken: DotDotDotToken | undefined, name: Identifier, questionToken: QuestionToken | undefined, type: TypeNode): NamedTupleMember;
updateNamedTupleMember(node: NamedTupleMember, dotDotDotToken: DotDotDotToken | undefined, name: Identifier, questionToken: QuestionToken | undefined, type: TypeNode): NamedTupleMember;
createOptionalTypeNode(type: TypeNode): OptionalTypeNode;
updateOptionalTypeNode(node: OptionalTypeNode, type: TypeNode): OptionalTypeNode;
createRestTypeNode(type: TypeNode): RestTypeNode;
updateRestTypeNode(node: RestTypeNode, type: TypeNode): RestTypeNode;
createUnionTypeNode(types: readonly TypeNode[]): UnionTypeNode;
updateUnionTypeNode(node: UnionTypeNode, types: NodeArray<TypeNode>): UnionTypeNode;
createIntersectionTypeNode(types: readonly TypeNode[]): IntersectionTypeNode;
updateIntersectionTypeNode(node: IntersectionTypeNode, types: NodeArray<TypeNode>): IntersectionTypeNode;
createConditionalTypeNode(checkType: TypeNode, extendsType: TypeNode, trueType: TypeNode, falseType: TypeNode): ConditionalTypeNode;
updateConditionalTypeNode(node: ConditionalTypeNode, checkType: TypeNode, extendsType: TypeNode, trueType: TypeNode, falseType: TypeNode): ConditionalTypeNode;
createInferTypeNode(typeParameter: TypeParameterDeclaration): InferTypeNode;
updateInferTypeNode(node: InferTypeNode, typeParameter: TypeParameterDeclaration): InferTypeNode;
createImportTypeNode(argument: TypeNode, assertions?: ImportTypeAssertionContainer, qualifier?: EntityName, typeArguments?: readonly TypeNode[], isTypeOf?: boolean): ImportTypeNode;
updateImportTypeNode(node: ImportTypeNode, argument: TypeNode, assertions: ImportTypeAssertionContainer | undefined, qualifier: EntityName | undefined, typeArguments: readonly TypeNode[] | undefined, isTypeOf?: boolean): ImportTypeNode;
createParenthesizedType(type: TypeNode): ParenthesizedTypeNode;
updateParenthesizedType(node: ParenthesizedTypeNode, type: TypeNode): ParenthesizedTypeNode;
createThisTypeNode(): ThisTypeNode;
createTypeOperatorNode(operator: SyntaxKind.KeyOfKeyword | SyntaxKind.UniqueKeyword | SyntaxKind.ReadonlyKeyword, type: TypeNode): TypeOperatorNode;
updateTypeOperatorNode(node: TypeOperatorNode, type: TypeNode): TypeOperatorNode;
createIndexedAccessTypeNode(objectType: TypeNode, indexType: TypeNode): IndexedAccessTypeNode;
updateIndexedAccessTypeNode(node: IndexedAccessTypeNode, objectType: TypeNode, indexType: TypeNode): IndexedAccessTypeNode;
createMappedTypeNode(readonlyToken: ReadonlyKeyword | PlusToken | MinusToken | undefined, typeParameter: TypeParameterDeclaration, nameType: TypeNode | undefined, questionToken: QuestionToken | PlusToken | MinusToken | undefined, type: TypeNode | undefined, members: NodeArray<TypeElement> | undefined): MappedTypeNode;
updateMappedTypeNode(node: MappedTypeNode, readonlyToken: ReadonlyKeyword | PlusToken | MinusToken | undefined, typeParameter: TypeParameterDeclaration, nameType: TypeNode | undefined, questionToken: QuestionToken | PlusToken | MinusToken | undefined, type: TypeNode | undefined, members: NodeArray<TypeElement> | undefined): MappedTypeNode;
createLiteralTypeNode(literal: LiteralTypeNode["literal"]): LiteralTypeNode;
updateLiteralTypeNode(node: LiteralTypeNode, literal: LiteralTypeNode["literal"]): LiteralTypeNode;
createTemplateLiteralType(head: TemplateHead, templateSpans: readonly TemplateLiteralTypeSpan[]): TemplateLiteralTypeNode;
updateTemplateLiteralType(node: TemplateLiteralTypeNode, head: TemplateHead, templateSpans: readonly TemplateLiteralTypeSpan[]): TemplateLiteralTypeNode;
createObjectBindingPattern(elements: readonly BindingElement[]): ObjectBindingPattern;
updateObjectBindingPattern(node: ObjectBindingPattern, elements: readonly BindingElement[]): ObjectBindingPattern;
createArrayBindingPattern(elements: readonly ArrayBindingElement[]): ArrayBindingPattern;
updateArrayBindingPattern(node: ArrayBindingPattern, elements: readonly ArrayBindingElement[]): ArrayBindingPattern;
createBindingElement(dotDotDotToken: DotDotDotToken | undefined, propertyName: string | PropertyName | undefined, name: string | BindingName, initializer?: Expression): BindingElement;
updateBindingElement(node: BindingElement, dotDotDotToken: DotDotDotToken | undefined, propertyName: PropertyName | undefined, name: BindingName, initializer: Expression | undefined): BindingElement;
createArrayLiteralExpression(elements?: readonly Expression[], multiLine?: boolean): ArrayLiteralExpression;
updateArrayLiteralExpression(node: ArrayLiteralExpression, elements: readonly Expression[]): ArrayLiteralExpression;
createObjectLiteralExpression(properties?: readonly ObjectLiteralElementLike[], multiLine?: boolean): ObjectLiteralExpression;
updateObjectLiteralExpression(node: ObjectLiteralExpression, properties: readonly ObjectLiteralElementLike[]): ObjectLiteralExpression;
createPropertyAccessExpression(expression: Expression, name: string | MemberName): PropertyAccessExpression;
updatePropertyAccessExpression(node: PropertyAccessExpression, expression: Expression, name: MemberName): PropertyAccessExpression;
createPropertyAccessChain(expression: Expression, questionDotToken: QuestionDotToken | undefined, name: string | MemberName): PropertyAccessChain;
updatePropertyAccessChain(node: PropertyAccessChain, expression: Expression, questionDotToken: QuestionDotToken | undefined, name: MemberName): PropertyAccessChain;
createElementAccessExpression(expression: Expression, index: number | Expression): ElementAccessExpression;
updateElementAccessExpression(node: ElementAccessExpression, expression: Expression, argumentExpression: Expression): ElementAccessExpression;
createElementAccessChain(expression: Expression, questionDotToken: QuestionDotToken | undefined, index: number | Expression): ElementAccessChain;
updateElementAccessChain(node: ElementAccessChain, expression: Expression, questionDotToken: QuestionDotToken | undefined, argumentExpression: Expression): ElementAccessChain;
createCallExpression(expression: Expression, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[] | undefined): CallExpression;
updateCallExpression(node: CallExpression, expression: Expression, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[]): CallExpression;
createCallChain(expression: Expression, questionDotToken: QuestionDotToken | undefined, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[] | undefined): CallChain;
updateCallChain(node: CallChain, expression: Expression, questionDotToken: QuestionDotToken | undefined, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[]): CallChain;
createNewExpression(expression: Expression, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[] | undefined): NewExpression;
updateNewExpression(node: NewExpression, expression: Expression, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[] | undefined): NewExpression;
createTaggedTemplateExpression(tag: Expression, typeArguments: readonly TypeNode[] | undefined, template: TemplateLiteral): TaggedTemplateExpression;
updateTaggedTemplateExpression(node: TaggedTemplateExpression, tag: Expression, typeArguments: readonly TypeNode[] | undefined, template: TemplateLiteral): TaggedTemplateExpression;
createTypeAssertion(type: TypeNode, expression: Expression): TypeAssertion;
updateTypeAssertion(node: TypeAssertion, type: TypeNode, expression: Expression): TypeAssertion;
createParenthesizedExpression(expression: Expression): ParenthesizedExpression;
updateParenthesizedExpression(node: ParenthesizedExpression, expression: Expression): ParenthesizedExpression;
createFunctionExpression(modifiers: readonly Modifier[] | undefined, asteriskToken: AsteriskToken | undefined, name: string | Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[] | undefined, type: TypeNode | undefined, body: Block): FunctionExpression;
updateFunctionExpression(node: FunctionExpression, modifiers: readonly Modifier[] | undefined, asteriskToken: AsteriskToken | undefined, name: Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block): FunctionExpression;
createArrowFunction(modifiers: readonly Modifier[] | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, equalsGreaterThanToken: EqualsGreaterThanToken | undefined, body: ConciseBody): ArrowFunction;
updateArrowFunction(node: ArrowFunction, modifiers: readonly Modifier[] | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, equalsGreaterThanToken: EqualsGreaterThanToken, body: ConciseBody): ArrowFunction;
createDeleteExpression(expression: Expression): DeleteExpression;
updateDeleteExpression(node: DeleteExpression, expression: Expression): DeleteExpression;
createTypeOfExpression(expression: Expression): TypeOfExpression;
updateTypeOfExpression(node: TypeOfExpression, expression: Expression): TypeOfExpression;
createVoidExpression(expression: Expression): VoidExpression;
updateVoidExpression(node: VoidExpression, expression: Expression): VoidExpression;
createAwaitExpression(expression: Expression): AwaitExpression;
updateAwaitExpression(node: AwaitExpression, expression: Expression): AwaitExpression;
createPrefixUnaryExpression(operator: PrefixUnaryOperator, operand: Expression): PrefixUnaryExpression;
updatePrefixUnaryExpression(node: PrefixUnaryExpression, operand: Expression): PrefixUnaryExpression;
createPostfixUnaryExpression(operand: Expression, operator: PostfixUnaryOperator): PostfixUnaryExpression;
updatePostfixUnaryExpression(node: PostfixUnaryExpression, operand: Expression): PostfixUnaryExpression;
createBinaryExpression(left: Expression, operator: BinaryOperator | BinaryOperatorToken, right: Expression): BinaryExpression;
updateBinaryExpression(node: BinaryExpression, left: Expression, operator: BinaryOperator | BinaryOperatorToken, right: Expression): BinaryExpression;
createConditionalExpression(condition: Expression, questionToken: QuestionToken | undefined, whenTrue: Expression, colonToken: ColonToken | undefined, whenFalse: Expression): ConditionalExpression;
updateConditionalExpression(node: ConditionalExpression, condition: Expression, questionToken: QuestionToken, whenTrue: Expression, colonToken: ColonToken, whenFalse: Expression): ConditionalExpression;
createTemplateExpression(head: TemplateHead, templateSpans: readonly TemplateSpan[]): TemplateExpression;
updateTemplateExpression(node: TemplateExpression, head: TemplateHead, templateSpans: readonly TemplateSpan[]): TemplateExpression;
createTemplateHead(text: string, rawText?: string, templateFlags?: TokenFlags): TemplateHead;
createTemplateHead(text: string | undefined, rawText: string, templateFlags?: TokenFlags): TemplateHead;
createTemplateMiddle(text: string, rawText?: string, templateFlags?: TokenFlags): TemplateMiddle;
createTemplateMiddle(text: string | undefined, rawText: string, templateFlags?: TokenFlags): TemplateMiddle;
createTemplateTail(text: string, rawText?: string, templateFlags?: TokenFlags): TemplateTail;
createTemplateTail(text: string | undefined, rawText: string, templateFlags?: TokenFlags): TemplateTail;
createNoSubstitutionTemplateLiteral(text: string, rawText?: string): NoSubstitutionTemplateLiteral;
createNoSubstitutionTemplateLiteral(text: string | undefined, rawText: string): NoSubstitutionTemplateLiteral;
createYieldExpression(asteriskToken: AsteriskToken, expression: Expression): YieldExpression;
createYieldExpression(asteriskToken: undefined, expression: Expression | undefined): YieldExpression;
updateYieldExpression(node: YieldExpression, asteriskToken: AsteriskToken | undefined, expression: Expression | undefined): YieldExpression;
createSpreadElement(expression: Expression): SpreadElement;
updateSpreadElement(node: SpreadElement, expression: Expression): SpreadElement;
createClassExpression(modifiers: readonly ModifierLike[] | undefined, name: string | Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly ClassElement[]): ClassExpression;
updateClassExpression(node: ClassExpression, modifiers: readonly ModifierLike[] | undefined, name: Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly ClassElement[]): ClassExpression;
createOmittedExpression(): OmittedExpression;
createExpressionWithTypeArguments(expression: Expression, typeArguments: readonly TypeNode[] | undefined): ExpressionWithTypeArguments;
updateExpressionWithTypeArguments(node: ExpressionWithTypeArguments, expression: Expression, typeArguments: readonly TypeNode[] | undefined): ExpressionWithTypeArguments;
createAsExpression(expression: Expression, type: TypeNode): AsExpression;
updateAsExpression(node: AsExpression, expression: Expression, type: TypeNode): AsExpression;
createNonNullExpression(expression: Expression): NonNullExpression;
updateNonNullExpression(node: NonNullExpression, expression: Expression): NonNullExpression;
createNonNullChain(expression: Expression): NonNullChain;
updateNonNullChain(node: NonNullChain, expression: Expression): NonNullChain;
createMetaProperty(keywordToken: MetaProperty["keywordToken"], name: Identifier): MetaProperty;
updateMetaProperty(node: MetaProperty, name: Identifier): MetaProperty;
createSatisfiesExpression(expression: Expression, type: TypeNode): SatisfiesExpression;
updateSatisfiesExpression(node: SatisfiesExpression, expression: Expression, type: TypeNode): SatisfiesExpression;
createTemplateSpan(expression: Expression, literal: TemplateMiddle | TemplateTail): TemplateSpan;
updateTemplateSpan(node: TemplateSpan, expression: Expression, literal: TemplateMiddle | TemplateTail): TemplateSpan;
createSemicolonClassElement(): SemicolonClassElement;
createBlock(statements: readonly Statement[], multiLine?: boolean): Block;
updateBlock(node: Block, statements: readonly Statement[]): Block;
createVariableStatement(modifiers: readonly ModifierLike[] | undefined, declarationList: VariableDeclarationList | readonly VariableDeclaration[]): VariableStatement;
updateVariableStatement(node: VariableStatement, modifiers: readonly ModifierLike[] | undefined, declarationList: VariableDeclarationList): VariableStatement;
createEmptyStatement(): EmptyStatement;
createExpressionStatement(expression: Expression): ExpressionStatement;
updateExpressionStatement(node: ExpressionStatement, expression: Expression): ExpressionStatement;
createIfStatement(expression: Expression, thenStatement: Statement, elseStatement?: Statement): IfStatement;
updateIfStatement(node: IfStatement, expression: Expression, thenStatement: Statement, elseStatement: Statement | undefined): IfStatement;
createDoStatement(statement: Statement, expression: Expression): DoStatement;
updateDoStatement(node: DoStatement, statement: Statement, expression: Expression): DoStatement;
createWhileStatement(expression: Expression, statement: Statement): WhileStatement;
updateWhileStatement(node: WhileStatement, expression: Expression, statement: Statement): WhileStatement;
createForStatement(initializer: ForInitializer | undefined, condition: Expression | undefined, incrementor: Expression | undefined, statement: Statement): ForStatement;
updateForStatement(node: ForStatement, initializer: ForInitializer | undefined, condition: Expression | undefined, incrementor: Expression | undefined, statement: Statement): ForStatement;
createForInStatement(initializer: ForInitializer, expression: Expression, statement: Statement): ForInStatement;
updateForInStatement(node: ForInStatement, initializer: ForInitializer, expression: Expression, statement: Statement): ForInStatement;
createForOfStatement(awaitModifier: AwaitKeyword | undefined, initializer: ForInitializer, expression: Expression, statement: Statement): ForOfStatement;
updateForOfStatement(node: ForOfStatement, awaitModifier: AwaitKeyword | undefined, initializer: ForInitializer, expression: Expression, statement: Statement): ForOfStatement;
createContinueStatement(label?: string | Identifier): ContinueStatement;
updateContinueStatement(node: ContinueStatement, label: Identifier | undefined): ContinueStatement;
createBreakStatement(label?: string | Identifier): BreakStatement;
updateBreakStatement(node: BreakStatement, label: Identifier | undefined): BreakStatement;
createReturnStatement(expression?: Expression): ReturnStatement;
updateReturnStatement(node: ReturnStatement, expression: Expression | undefined): ReturnStatement;
createWithStatement(expression: Expression, statement: Statement): WithStatement;
updateWithStatement(node: WithStatement, expression: Expression, statement: Statement): WithStatement;
createSwitchStatement(expression: Expression, caseBlock: CaseBlock): SwitchStatement;
updateSwitchStatement(node: SwitchStatement, expression: Expression, caseBlock: CaseBlock): SwitchStatement;
createLabeledStatement(label: string | Identifier, statement: Statement): LabeledStatement;
updateLabeledStatement(node: LabeledStatement, label: Identifier, statement: Statement): LabeledStatement;
createThrowStatement(expression: Expression): ThrowStatement;
updateThrowStatement(node: ThrowStatement, expression: Expression): ThrowStatement;
createTryStatement(tryBlock: Block, catchClause: CatchClause | undefined, finallyBlock: Block | undefined): TryStatement;
updateTryStatement(node: TryStatement, tryBlock: Block, catchClause: CatchClause | undefined, finallyBlock: Block | undefined): TryStatement;
createDebuggerStatement(): DebuggerStatement;
createVariableDeclaration(name: string | BindingName, exclamationToken?: ExclamationToken, type?: TypeNode, initializer?: Expression): VariableDeclaration;
updateVariableDeclaration(node: VariableDeclaration, name: BindingName, exclamationToken: ExclamationToken | undefined, type: TypeNode | undefined, initializer: Expression | undefined): VariableDeclaration;
createVariableDeclarationList(declarations: readonly VariableDeclaration[], flags?: NodeFlags): VariableDeclarationList;
updateVariableDeclarationList(node: VariableDeclarationList, declarations: readonly VariableDeclaration[]): VariableDeclarationList;
createFunctionDeclaration(modifiers: readonly ModifierLike[] | undefined, asteriskToken: AsteriskToken | undefined, name: string | Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): FunctionDeclaration;
updateFunctionDeclaration(node: FunctionDeclaration, modifiers: readonly ModifierLike[] | undefined, asteriskToken: AsteriskToken | undefined, name: Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): FunctionDeclaration;
createClassDeclaration(modifiers: readonly ModifierLike[] | undefined, name: string | Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly ClassElement[]): ClassDeclaration;
updateClassDeclaration(node: ClassDeclaration, modifiers: readonly ModifierLike[] | undefined, name: Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly ClassElement[]): ClassDeclaration;
createInterfaceDeclaration(modifiers: readonly ModifierLike[] | undefined, name: string | Identifier, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly TypeElement[]): InterfaceDeclaration;
updateInterfaceDeclaration(node: InterfaceDeclaration, modifiers: readonly ModifierLike[] | undefined, name: Identifier, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly TypeElement[]): InterfaceDeclaration;
createTypeAliasDeclaration(modifiers: readonly ModifierLike[] | undefined, name: string | Identifier, typeParameters: readonly TypeParameterDeclaration[] | undefined, type: TypeNode): TypeAliasDeclaration;
updateTypeAliasDeclaration(node: TypeAliasDeclaration, modifiers: readonly ModifierLike[] | undefined, name: Identifier, typeParameters: readonly TypeParameterDeclaration[] | undefined, type: TypeNode): TypeAliasDeclaration;
createEnumDeclaration(modifiers: readonly ModifierLike[] | undefined, name: string | Identifier, members: readonly EnumMember[]): EnumDeclaration;
updateEnumDeclaration(node: EnumDeclaration, modifiers: readonly ModifierLike[] | undefined, name: Identifier, members: readonly EnumMember[]): EnumDeclaration;
createModuleDeclaration(modifiers: readonly ModifierLike[] | undefined, name: ModuleName, body: ModuleBody | undefined, flags?: NodeFlags): ModuleDeclaration;
updateModuleDeclaration(node: ModuleDeclaration, modifiers: readonly ModifierLike[] | undefined, name: ModuleName, body: ModuleBody | undefined): ModuleDeclaration;
createModuleBlock(statements: readonly Statement[]): ModuleBlock;
updateModuleBlock(node: ModuleBlock, statements: readonly Statement[]): ModuleBlock;
createCaseBlock(clauses: readonly CaseOrDefaultClause[]): CaseBlock;
updateCaseBlock(node: CaseBlock, clauses: readonly CaseOrDefaultClause[]): CaseBlock;
createNamespaceExportDeclaration(name: string | Identifier): NamespaceExportDeclaration;
updateNamespaceExportDeclaration(node: NamespaceExportDeclaration, name: Identifier): NamespaceExportDeclaration;
createImportEqualsDeclaration(modifiers: readonly ModifierLike[] | undefined, isTypeOnly: boolean, name: string | Identifier, moduleReference: ModuleReference): ImportEqualsDeclaration;
updateImportEqualsDeclaration(node: ImportEqualsDeclaration, modifiers: readonly ModifierLike[] | undefined, isTypeOnly: boolean, name: Identifier, moduleReference: ModuleReference): ImportEqualsDeclaration;
createImportDeclaration(modifiers: readonly ModifierLike[] | undefined, importClause: ImportClause | undefined, moduleSpecifier: Expression, assertClause?: AssertClause): ImportDeclaration;
updateImportDeclaration(node: ImportDeclaration, modifiers: readonly ModifierLike[] | undefined, importClause: ImportClause | undefined, moduleSpecifier: Expression, assertClause: AssertClause | undefined): ImportDeclaration;
createImportClause(isTypeOnly: boolean, name: Identifier | undefined, namedBindings: NamedImportBindings | undefined): ImportClause;
updateImportClause(node: ImportClause, isTypeOnly: boolean, name: Identifier | undefined, namedBindings: NamedImportBindings | undefined): ImportClause;
createAssertClause(elements: NodeArray<AssertEntry>, multiLine?: boolean): AssertClause;
updateAssertClause(node: AssertClause, elements: NodeArray<AssertEntry>, multiLine?: boolean): AssertClause;
createAssertEntry(name: AssertionKey, value: Expression): AssertEntry;
updateAssertEntry(node: AssertEntry, name: AssertionKey, value: Expression): AssertEntry;
createImportTypeAssertionContainer(clause: AssertClause, multiLine?: boolean): ImportTypeAssertionContainer;
updateImportTypeAssertionContainer(node: ImportTypeAssertionContainer, clause: AssertClause, multiLine?: boolean): ImportTypeAssertionContainer;
createNamespaceImport(name: Identifier): NamespaceImport;
updateNamespaceImport(node: NamespaceImport, name: Identifier): NamespaceImport;
createNamespaceExport(name: Identifier): NamespaceExport;
updateNamespaceExport(node: NamespaceExport, name: Identifier): NamespaceExport;
createNamedImports(elements: readonly ImportSpecifier[]): NamedImports;
updateNamedImports(node: NamedImports, elements: readonly ImportSpecifier[]): NamedImports;
createImportSpecifier(isTypeOnly: boolean, propertyName: Identifier | undefined, name: Identifier): ImportSpecifier;
updateImportSpecifier(node: ImportSpecifier, isTypeOnly: boolean, propertyName: Identifier | undefined, name: Identifier): ImportSpecifier;
createExportAssignment(modifiers: readonly ModifierLike[] | undefined, isExportEquals: boolean | undefined, expression: Expression): ExportAssignment;
updateExportAssignment(node: ExportAssignment, modifiers: readonly ModifierLike[] | undefined, expression: Expression): ExportAssignment;
createExportDeclaration(modifiers: readonly ModifierLike[] | undefined, isTypeOnly: boolean, exportClause: NamedExportBindings | undefined, moduleSpecifier?: Expression, assertClause?: AssertClause): ExportDeclaration;
updateExportDeclaration(node: ExportDeclaration, modifiers: readonly ModifierLike[] | undefined, isTypeOnly: boolean, exportClause: NamedExportBindings | undefined, moduleSpecifier: Expression | undefined, assertClause: AssertClause | undefined): ExportDeclaration;
createNamedExports(elements: readonly ExportSpecifier[]): NamedExports;
updateNamedExports(node: NamedExports, elements: readonly ExportSpecifier[]): NamedExports;
createExportSpecifier(isTypeOnly: boolean, propertyName: string | Identifier | undefined, name: string | Identifier): ExportSpecifier;
updateExportSpecifier(node: ExportSpecifier, isTypeOnly: boolean, propertyName: Identifier | undefined, name: Identifier): ExportSpecifier;
createExternalModuleReference(expression: Expression): ExternalModuleReference;
updateExternalModuleReference(node: ExternalModuleReference, expression: Expression): ExternalModuleReference;
createJSDocAllType(): JSDocAllType;
createJSDocUnknownType(): JSDocUnknownType;
createJSDocNonNullableType(type: TypeNode, postfix?: boolean): JSDocNonNullableType;
updateJSDocNonNullableType(node: JSDocNonNullableType, type: TypeNode): JSDocNonNullableType;
createJSDocNullableType(type: TypeNode, postfix?: boolean): JSDocNullableType;
updateJSDocNullableType(node: JSDocNullableType, type: TypeNode): JSDocNullableType;
createJSDocOptionalType(type: TypeNode): JSDocOptionalType;
updateJSDocOptionalType(node: JSDocOptionalType, type: TypeNode): JSDocOptionalType;
createJSDocFunctionType(parameters: readonly ParameterDeclaration[], type: TypeNode | undefined): JSDocFunctionType;
updateJSDocFunctionType(node: JSDocFunctionType, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined): JSDocFunctionType;
createJSDocVariadicType(type: TypeNode): JSDocVariadicType;
updateJSDocVariadicType(node: JSDocVariadicType, type: TypeNode): JSDocVariadicType;
createJSDocNamepathType(type: TypeNode): JSDocNamepathType;
updateJSDocNamepathType(node: JSDocNamepathType, type: TypeNode): JSDocNamepathType;
createJSDocTypeExpression(type: TypeNode): JSDocTypeExpression;
updateJSDocTypeExpression(node: JSDocTypeExpression, type: TypeNode): JSDocTypeExpression;
createJSDocNameReference(name: EntityName | JSDocMemberName): JSDocNameReference;
updateJSDocNameReference(node: JSDocNameReference, name: EntityName | JSDocMemberName): JSDocNameReference;
createJSDocMemberName(left: EntityName | JSDocMemberName, right: Identifier): JSDocMemberName;
updateJSDocMemberName(node: JSDocMemberName, left: EntityName | JSDocMemberName, right: Identifier): JSDocMemberName;
createJSDocLink(name: EntityName | JSDocMemberName | undefined, text: string): JSDocLink;
updateJSDocLink(node: JSDocLink, name: EntityName | JSDocMemberName | undefined, text: string): JSDocLink;
createJSDocLinkCode(name: EntityName | JSDocMemberName | undefined, text: string): JSDocLinkCode;
updateJSDocLinkCode(node: JSDocLinkCode, name: EntityName | JSDocMemberName | undefined, text: string): JSDocLinkCode;
createJSDocLinkPlain(name: EntityName | JSDocMemberName | undefined, text: string): JSDocLinkPlain;
updateJSDocLinkPlain(node: JSDocLinkPlain, name: EntityName | JSDocMemberName | undefined, text: string): JSDocLinkPlain;
createJSDocTypeLiteral(jsDocPropertyTags?: readonly JSDocPropertyLikeTag[], isArrayType?: boolean): JSDocTypeLiteral;
updateJSDocTypeLiteral(node: JSDocTypeLiteral, jsDocPropertyTags: readonly JSDocPropertyLikeTag[] | undefined, isArrayType: boolean | undefined): JSDocTypeLiteral;
createJSDocSignature(typeParameters: readonly JSDocTemplateTag[] | undefined, parameters: readonly JSDocParameterTag[], type?: JSDocReturnTag): JSDocSignature;
updateJSDocSignature(node: JSDocSignature, typeParameters: readonly JSDocTemplateTag[] | undefined, parameters: readonly JSDocParameterTag[], type: JSDocReturnTag | undefined): JSDocSignature;
createJSDocTemplateTag(tagName: Identifier | undefined, constraint: JSDocTypeExpression | undefined, typeParameters: readonly TypeParameterDeclaration[], comment?: string | NodeArray<JSDocComment>): JSDocTemplateTag;
updateJSDocTemplateTag(node: JSDocTemplateTag, tagName: Identifier | undefined, constraint: JSDocTypeExpression | undefined, typeParameters: readonly TypeParameterDeclaration[], comment: string | NodeArray<JSDocComment> | undefined): JSDocTemplateTag;
createJSDocTypedefTag(tagName: Identifier | undefined, typeExpression?: JSDocTypeExpression | JSDocTypeLiteral, fullName?: Identifier | JSDocNamespaceDeclaration, comment?: string | NodeArray<JSDocComment>): JSDocTypedefTag;
updateJSDocTypedefTag(node: JSDocTypedefTag, tagName: Identifier | undefined, typeExpression: JSDocTypeExpression | JSDocTypeLiteral | undefined, fullName: Identifier | JSDocNamespaceDeclaration | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocTypedefTag;
createJSDocParameterTag(tagName: Identifier | undefined, name: EntityName, isBracketed: boolean, typeExpression?: JSDocTypeExpression, isNameFirst?: boolean, comment?: string | NodeArray<JSDocComment>): JSDocParameterTag;
updateJSDocParameterTag(node: JSDocParameterTag, tagName: Identifier | undefined, name: EntityName, isBracketed: boolean, typeExpression: JSDocTypeExpression | undefined, isNameFirst: boolean, comment: string | NodeArray<JSDocComment> | undefined): JSDocParameterTag;
createJSDocPropertyTag(tagName: Identifier | undefined, name: EntityName, isBracketed: boolean, typeExpression?: JSDocTypeExpression, isNameFirst?: boolean, comment?: string | NodeArray<JSDocComment>): JSDocPropertyTag;
updateJSDocPropertyTag(node: JSDocPropertyTag, tagName: Identifier | undefined, name: EntityName, isBracketed: boolean, typeExpression: JSDocTypeExpression | undefined, isNameFirst: boolean, comment: string | NodeArray<JSDocComment> | undefined): JSDocPropertyTag;
createJSDocTypeTag(tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment?: string | NodeArray<JSDocComment>): JSDocTypeTag;
updateJSDocTypeTag(node: JSDocTypeTag, tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment: string | NodeArray<JSDocComment> | undefined): JSDocTypeTag;
createJSDocSeeTag(tagName: Identifier | undefined, nameExpression: JSDocNameReference | undefined, comment?: string | NodeArray<JSDocComment>): JSDocSeeTag;
updateJSDocSeeTag(node: JSDocSeeTag, tagName: Identifier | undefined, nameExpression: JSDocNameReference | undefined, comment?: string | NodeArray<JSDocComment>): JSDocSeeTag;
createJSDocReturnTag(tagName: Identifier | undefined, typeExpression?: JSDocTypeExpression, comment?: string | NodeArray<JSDocComment>): JSDocReturnTag;
updateJSDocReturnTag(node: JSDocReturnTag, tagName: Identifier | undefined, typeExpression: JSDocTypeExpression | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocReturnTag;
createJSDocThisTag(tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment?: string | NodeArray<JSDocComment>): JSDocThisTag;
updateJSDocThisTag(node: JSDocThisTag, tagName: Identifier | undefined, typeExpression: JSDocTypeExpression | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocThisTag;
createJSDocEnumTag(tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment?: string | NodeArray<JSDocComment>): JSDocEnumTag;
updateJSDocEnumTag(node: JSDocEnumTag, tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment: string | NodeArray<JSDocComment> | undefined): JSDocEnumTag;
createJSDocCallbackTag(tagName: Identifier | undefined, typeExpression: JSDocSignature, fullName?: Identifier | JSDocNamespaceDeclaration, comment?: string | NodeArray<JSDocComment>): JSDocCallbackTag;
updateJSDocCallbackTag(node: JSDocCallbackTag, tagName: Identifier | undefined, typeExpression: JSDocSignature, fullName: Identifier | JSDocNamespaceDeclaration | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocCallbackTag;
createJSDocOverloadTag(tagName: Identifier | undefined, typeExpression: JSDocSignature, comment?: string | NodeArray<JSDocComment>): JSDocOverloadTag;
updateJSDocOverloadTag(node: JSDocOverloadTag, tagName: Identifier | undefined, typeExpression: JSDocSignature, comment: string | NodeArray<JSDocComment> | undefined): JSDocOverloadTag;
createJSDocAugmentsTag(tagName: Identifier | undefined, className: JSDocAugmentsTag["class"], comment?: string | NodeArray<JSDocComment>): JSDocAugmentsTag;
updateJSDocAugmentsTag(node: JSDocAugmentsTag, tagName: Identifier | undefined, className: JSDocAugmentsTag["class"], comment: string | NodeArray<JSDocComment> | undefined): JSDocAugmentsTag;
createJSDocImplementsTag(tagName: Identifier | undefined, className: JSDocImplementsTag["class"], comment?: string | NodeArray<JSDocComment>): JSDocImplementsTag;
updateJSDocImplementsTag(node: JSDocImplementsTag, tagName: Identifier | undefined, className: JSDocImplementsTag["class"], comment: string | NodeArray<JSDocComment> | undefined): JSDocImplementsTag;
createJSDocAuthorTag(tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocAuthorTag;
updateJSDocAuthorTag(node: JSDocAuthorTag, tagName: Identifier | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocAuthorTag;
createJSDocClassTag(tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocClassTag;
updateJSDocClassTag(node: JSDocClassTag, tagName: Identifier | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocClassTag;
createJSDocPublicTag(tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocPublicTag;
updateJSDocPublicTag(node: JSDocPublicTag, tagName: Identifier | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocPublicTag;
createJSDocPrivateTag(tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocPrivateTag;
updateJSDocPrivateTag(node: JSDocPrivateTag, tagName: Identifier | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocPrivateTag;
createJSDocProtectedTag(tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocProtectedTag;
updateJSDocProtectedTag(node: JSDocProtectedTag, tagName: Identifier | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocProtectedTag;
createJSDocReadonlyTag(tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocReadonlyTag;
updateJSDocReadonlyTag(node: JSDocReadonlyTag, tagName: Identifier | undefined, comment: string | NodeArray<JSDocComment> | undefined): JSDocReadonlyTag;
createJSDocUnknownTag(tagName: Identifier, comment?: string | NodeArray<JSDocComment>): JSDocUnknownTag;
updateJSDocUnknownTag(node: JSDocUnknownTag, tagName: Identifier, comment: string | NodeArray<JSDocComment> | undefined): JSDocUnknownTag;
createJSDocDeprecatedTag(tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocDeprecatedTag;
updateJSDocDeprecatedTag(node: JSDocDeprecatedTag, tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocDeprecatedTag;
createJSDocOverrideTag(tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocOverrideTag;
updateJSDocOverrideTag(node: JSDocOverrideTag, tagName: Identifier | undefined, comment?: string | NodeArray<JSDocComment>): JSDocOverrideTag;
createJSDocThrowsTag(tagName: Identifier, typeExpression: JSDocTypeExpression | undefined, comment?: string | NodeArray<JSDocComment>): JSDocThrowsTag;
updateJSDocThrowsTag(node: JSDocThrowsTag, tagName: Identifier | undefined, typeExpression: JSDocTypeExpression | undefined, comment?: string | NodeArray<JSDocComment> | undefined): JSDocThrowsTag;
createJSDocSatisfiesTag(tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment?: string | NodeArray<JSDocComment>): JSDocSatisfiesTag;
updateJSDocSatisfiesTag(node: JSDocSatisfiesTag, tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment: string | NodeArray<JSDocComment> | undefined): JSDocSatisfiesTag;
createJSDocText(text: string): JSDocText;
updateJSDocText(node: JSDocText, text: string): JSDocText;
createJSDocComment(comment?: string | NodeArray<JSDocComment> | undefined, tags?: readonly JSDocTag[] | undefined): JSDoc;
updateJSDocComment(node: JSDoc, comment: string | NodeArray<JSDocComment> | undefined, tags: readonly JSDocTag[] | undefined): JSDoc;
createJsxElement(openingElement: JsxOpeningElement, children: readonly JsxChild[], closingElement: JsxClosingElement): JsxElement;
updateJsxElement(node: JsxElement, openingElement: JsxOpeningElement, children: readonly JsxChild[], closingElement: JsxClosingElement): JsxElement;
createJsxSelfClosingElement(tagName: JsxTagNameExpression, typeArguments: readonly TypeNode[] | undefined, attributes: JsxAttributes): JsxSelfClosingElement;
updateJsxSelfClosingElement(node: JsxSelfClosingElement, tagName: JsxTagNameExpression, typeArguments: readonly TypeNode[] | undefined, attributes: JsxAttributes): JsxSelfClosingElement;
createJsxOpeningElement(tagName: JsxTagNameExpression, typeArguments: readonly TypeNode[] | undefined, attributes: JsxAttributes): JsxOpeningElement;
updateJsxOpeningElement(node: JsxOpeningElement, tagName: JsxTagNameExpression, typeArguments: readonly TypeNode[] | undefined, attributes: JsxAttributes): JsxOpeningElement;
createJsxClosingElement(tagName: JsxTagNameExpression): JsxClosingElement;
updateJsxClosingElement(node: JsxClosingElement, tagName: JsxTagNameExpression): JsxClosingElement;
createJsxFragment(openingFragment: JsxOpeningFragment, children: readonly JsxChild[], closingFragment: JsxClosingFragment): JsxFragment;
createJsxText(text: string, containsOnlyTriviaWhiteSpaces?: boolean): JsxText;
updateJsxText(node: JsxText, text: string, containsOnlyTriviaWhiteSpaces?: boolean): JsxText;
createJsxOpeningFragment(): JsxOpeningFragment;
createJsxJsxClosingFragment(): JsxClosingFragment;
updateJsxFragment(node: JsxFragment, openingFragment: JsxOpeningFragment, children: readonly JsxChild[], closingFragment: JsxClosingFragment): JsxFragment;
createJsxAttribute(name: Identifier, initializer: JsxAttributeValue | undefined): JsxAttribute;
updateJsxAttribute(node: JsxAttribute, name: Identifier, initializer: JsxAttributeValue | undefined): JsxAttribute;
createJsxAttributes(properties: readonly JsxAttributeLike[]): JsxAttributes;
updateJsxAttributes(node: JsxAttributes, properties: readonly JsxAttributeLike[]): JsxAttributes;
createJsxSpreadAttribute(expression: Expression): JsxSpreadAttribute;
updateJsxSpreadAttribute(node: JsxSpreadAttribute, expression: Expression): JsxSpreadAttribute;
createJsxExpression(dotDotDotToken: DotDotDotToken | undefined, expression: Expression | undefined): JsxExpression;
updateJsxExpression(node: JsxExpression, expression: Expression | undefined): JsxExpression;
createCaseClause(expression: Expression, statements: readonly Statement[]): CaseClause;
updateCaseClause(node: CaseClause, expression: Expression, statements: readonly Statement[]): CaseClause;
createDefaultClause(statements: readonly Statement[]): DefaultClause;
updateDefaultClause(node: DefaultClause, statements: readonly Statement[]): DefaultClause;
createHeritageClause(token: HeritageClause["token"], types: readonly ExpressionWithTypeArguments[]): HeritageClause;
updateHeritageClause(node: HeritageClause, types: readonly ExpressionWithTypeArguments[]): HeritageClause;
createCatchClause(variableDeclaration: string | BindingName | VariableDeclaration | undefined, block: Block): CatchClause;
updateCatchClause(node: CatchClause, variableDeclaration: VariableDeclaration | undefined, block: Block): CatchClause;
createPropertyAssignment(name: string | PropertyName, initializer: Expression): PropertyAssignment;
updatePropertyAssignment(node: PropertyAssignment, name: PropertyName, initializer: Expression): PropertyAssignment;
createShorthandPropertyAssignment(name: string | Identifier, objectAssignmentInitializer?: Expression): ShorthandPropertyAssignment;
updateShorthandPropertyAssignment(node: ShorthandPropertyAssignment, name: Identifier, objectAssignmentInitializer: Expression | undefined): ShorthandPropertyAssignment;
createSpreadAssignment(expression: Expression): SpreadAssignment;
updateSpreadAssignment(node: SpreadAssignment, expression: Expression): SpreadAssignment;
createEnumMember(name: string | PropertyName, initializer?: Expression): EnumMember;
updateEnumMember(node: EnumMember, name: PropertyName, initializer: Expression | undefined): EnumMember;
createSourceFile(statements: readonly Statement[], endOfFileToken: EndOfFileToken, flags: NodeFlags): SourceFile;
updateSourceFile(node: SourceFile, statements: readonly Statement[], isDeclarationFile?: boolean, referencedFiles?: readonly FileReference[], typeReferences?: readonly FileReference[], hasNoDefaultLib?: boolean, libReferences?: readonly FileReference[]): SourceFile;
createNotEmittedStatement(original: Node): NotEmittedStatement;
createPartiallyEmittedExpression(expression: Expression, original?: Node): PartiallyEmittedExpression;
updatePartiallyEmittedExpression(node: PartiallyEmittedExpression, expression: Expression): PartiallyEmittedExpression;
createCommaListExpression(elements: readonly Expression[]): CommaListExpression;
updateCommaListExpression(node: CommaListExpression, elements: readonly Expression[]): CommaListExpression;
createBundle(sourceFiles: readonly SourceFile[]): Bundle;
/** @deprecated*/ createBundle(sourceFiles: readonly SourceFile[], prepends?: readonly (UnparsedSource | InputFiles)[]): Bundle;
updateBundle(node: Bundle, sourceFiles: readonly SourceFile[]): Bundle;
/** @deprecated*/ updateBundle(node: Bundle, sourceFiles: readonly SourceFile[], prepends?: readonly (UnparsedSource | InputFiles)[]): Bundle;
createComma(left: Expression, right: Expression): BinaryExpression;
createAssignment(left: ObjectLiteralExpression | ArrayLiteralExpression, right: Expression): DestructuringAssignment;
createAssignment(left: Expression, right: Expression): AssignmentExpression<EqualsToken>;
createLogicalOr(left: Expression, right: Expression): BinaryExpression;
createLogicalAnd(left: Expression, right: Expression): BinaryExpression;
createBitwiseOr(left: Expression, right: Expression): BinaryExpression;
createBitwiseXor(left: Expression, right: Expression): BinaryExpression;
createBitwiseAnd(left: Expression, right: Expression): BinaryExpression;
createStrictEquality(left: Expression, right: Expression): BinaryExpression;
createStrictInequality(left: Expression, right: Expression): BinaryExpression;
createEquality(left: Expression, right: Expression): BinaryExpression;
createInequality(left: Expression, right: Expression): BinaryExpression;
createLessThan(left: Expression, right: Expression): BinaryExpression;
createLessThanEquals(left: Expression, right: Expression): BinaryExpression;
createGreaterThan(left: Expression, right: Expression): BinaryExpression;
createGreaterThanEquals(left: Expression, right: Expression): BinaryExpression;
createLeftShift(left: Expression, right: Expression): BinaryExpression;
createRightShift(left: Expression, right: Expression): BinaryExpression;
createUnsignedRightShift(left: Expression, right: Expression): BinaryExpression;
createAdd(left: Expression, right: Expression): BinaryExpression;
createSubtract(left: Expression, right: Expression): BinaryExpression;
createMultiply(left: Expression, right: Expression): BinaryExpression;
createDivide(left: Expression, right: Expression): BinaryExpression;
createModulo(left: Expression, right: Expression): BinaryExpression;
createExponent(left: Expression, right: Expression): BinaryExpression;
createPrefixPlus(operand: Expression): PrefixUnaryExpression;
createPrefixMinus(operand: Expression): PrefixUnaryExpression;
createPrefixIncrement(operand: Expression): PrefixUnaryExpression;
createPrefixDecrement(operand: Expression): PrefixUnaryExpression;
createBitwiseNot(operand: Expression): PrefixUnaryExpression;
createLogicalNot(operand: Expression): PrefixUnaryExpression;
createPostfixIncrement(operand: Expression): PostfixUnaryExpression;
createPostfixDecrement(operand: Expression): PostfixUnaryExpression;
createImmediatelyInvokedFunctionExpression(statements: readonly Statement[]): CallExpression;
createImmediatelyInvokedFunctionExpression(statements: readonly Statement[], param: ParameterDeclaration, paramValue: Expression): CallExpression;
createImmediatelyInvokedArrowFunction(statements: readonly Statement[]): CallExpression;
createImmediatelyInvokedArrowFunction(statements: readonly Statement[], param: ParameterDeclaration, paramValue: Expression): CallExpression;
createVoidZero(): VoidExpression;
createExportDefault(expression: Expression): ExportAssignment;
createExternalModuleExport(exportName: Identifier): ExportDeclaration;
restoreOuterExpressions(outerExpression: Expression | undefined, innerExpression: Expression, kinds?: OuterExpressionKinds): Expression;
}
interface CoreTransformationContext {
readonly factory: NodeFactory;
/** Gets the compiler options supplied to the transformer. */
getCompilerOptions(): CompilerOptions;
/** Starts a new lexical environment. */
startLexicalEnvironment(): void;
/** Suspends the current lexical environment, usually after visiting a parameter list. */
suspendLexicalEnvironment(): void;
/** Resumes a suspended lexical environment, usually before visiting a function body. */
resumeLexicalEnvironment(): void;
/** Ends a lexical environment, returning any declarations. */
endLexicalEnvironment(): Statement[] | undefined;
/** Hoists a function declaration to the containing scope. */
hoistFunctionDeclaration(node: FunctionDeclaration): void;
/** Hoists a variable declaration to the containing scope. */
hoistVariableDeclaration(node: Identifier): void;
}
interface TransformationContext extends CoreTransformationContext {
/** Records a request for a non-scoped emit helper in the current context. */
requestEmitHelper(helper: EmitHelper): void;
/** Gets and resets the requested non-scoped emit helpers. */
readEmitHelpers(): EmitHelper[] | undefined;
/** Enables expression substitutions in the pretty printer for the provided SyntaxKind. */
enableSubstitution(kind: SyntaxKind): void;
/** Determines whether expression substitutions are enabled for the provided node. */
isSubstitutionEnabled(node: Node): boolean;
/**
* Hook used by transformers to substitute expressions just before they
* are emitted by the pretty printer.
*
* NOTE: Transformation hooks should only be modified during `Transformer` initialization,
* before returning the `NodeTransformer` callback.
*/
onSubstituteNode: (hint: EmitHint, node: Node) => Node;
/**
* Enables before/after emit notifications in the pretty printer for the provided
* SyntaxKind.
*/
enableEmitNotification(kind: SyntaxKind): void;
/**
* Determines whether before/after emit notifications should be raised in the pretty
* printer when it emits a node.
*/
isEmitNotificationEnabled(node: Node): boolean;
/**
* Hook used to allow transformers to capture state before or after
* the printer emits a node.
*
* NOTE: Transformation hooks should only be modified during `Transformer` initialization,
* before returning the `NodeTransformer` callback.
*/
onEmitNode: (hint: EmitHint, node: Node, emitCallback: (hint: EmitHint, node: Node) => void) => void;
}
interface TransformationResult<T extends Node> {
/** Gets the transformed source files. */
transformed: T[];
/** Gets diagnostics for the transformation. */
diagnostics?: DiagnosticWithLocation[];
/**
* Gets a substitute for a node, if one is available; otherwise, returns the original node.
*
* @param hint A hint as to the intended usage of the node.
* @param node The node to substitute.
*/
substituteNode(hint: EmitHint, node: Node): Node;
/**
* Emits a node with possible notification.
*
* @param hint A hint as to the intended usage of the node.
* @param node The node to emit.
* @param emitCallback A callback used to emit the node.
*/
emitNodeWithNotification(hint: EmitHint, node: Node, emitCallback: (hint: EmitHint, node: Node) => void): void;
/**
* Indicates if a given node needs an emit notification
*
* @param node The node to emit.
*/
isEmitNotificationEnabled?(node: Node): boolean;
/**
* Clean up EmitNode entries on any parse-tree nodes.
*/
dispose(): void;
}
/**
* A function that is used to initialize and return a `Transformer` callback, which in turn
* will be used to transform one or more nodes.
*/
type TransformerFactory<T extends Node> = (context: TransformationContext) => Transformer<T>;
/**
* A function that transforms a node.
*/
type Transformer<T extends Node> = (node: T) => T;
/**
* A function that accepts and possibly transforms a node.
*/
type Visitor<TIn extends Node = Node, TOut extends Node | undefined = TIn | undefined> = (node: TIn) => VisitResult<TOut>;
/**
* A function that walks a node using the given visitor, lifting node arrays into single nodes,
* returning an node which satisfies the test.
*
* - If the input node is undefined, then the output is undefined.
* - If the visitor returns undefined, then the output is undefined.
* - If the output node is not undefined, then it will satisfy the test function.
* - In order to obtain a return type that is more specific than `Node`, a test
* function _must_ be provided, and that function must be a type predicate.
*
* For the canonical implementation of this type, @see {visitNode}.
*/
interface NodeVisitor {
<TIn extends Node | undefined, TVisited extends Node | undefined, TOut extends Node>(node: TIn, visitor: Visitor<NonNullable<TIn>, TVisited>, test: (node: Node) => node is TOut, lift?: (node: readonly Node[]) => Node): TOut | (TIn & undefined) | (TVisited & undefined);
<TIn extends Node | undefined, TVisited extends Node | undefined>(node: TIn, visitor: Visitor<NonNullable<TIn>, TVisited>, test?: (node: Node) => boolean, lift?: (node: readonly Node[]) => Node): Node | (TIn & undefined) | (TVisited & undefined);
}
/**
* A function that walks a node array using the given visitor, returning an array whose contents satisfy the test.
*
* - If the input node array is undefined, the output is undefined.
* - If the visitor can return undefined, the node it visits in the array will be reused.
* - If the output node array is not undefined, then its contents will satisfy the test.
* - In order to obtain a return type that is more specific than `NodeArray<Node>`, a test
* function _must_ be provided, and that function must be a type predicate.
*
* For the canonical implementation of this type, @see {visitNodes}.
*/
interface NodesVisitor {
<TIn extends Node, TInArray extends NodeArray<TIn> | undefined, TOut extends Node>(nodes: TInArray, visitor: Visitor<TIn, Node | undefined>, test: (node: Node) => node is TOut, start?: number, count?: number): NodeArray<TOut> | (TInArray & undefined);
<TIn extends Node, TInArray extends NodeArray<TIn> | undefined>(nodes: TInArray, visitor: Visitor<TIn, Node | undefined>, test?: (node: Node) => boolean, start?: number, count?: number): NodeArray<Node> | (TInArray & undefined);
}
type VisitResult<T extends Node | undefined> = T | readonly Node[];
interface Printer {
/**
* Print a node and its subtree as-is, without any emit transformations.
* @param hint A value indicating the purpose of a node. This is primarily used to
* distinguish between an `Identifier` used in an expression position, versus an
* `Identifier` used as an `IdentifierName` as part of a declaration. For most nodes you
* should just pass `Unspecified`.
* @param node The node to print. The node and its subtree are printed as-is, without any
* emit transformations.
* @param sourceFile A source file that provides context for the node. The source text of
* the file is used to emit the original source content for literals and identifiers, while
* the identifiers of the source file are used when generating unique names to avoid
* collisions.
*/
printNode(hint: EmitHint, node: Node, sourceFile: SourceFile): string;
/**
* Prints a list of nodes using the given format flags
*/
printList<T extends Node>(format: ListFormat, list: NodeArray<T>, sourceFile: SourceFile): string;
/**
* Prints a source file as-is, without any emit transformations.
*/
printFile(sourceFile: SourceFile): string;
/**
* Prints a bundle of source files as-is, without any emit transformations.
*/
printBundle(bundle: Bundle): string;
}
interface PrintHandlers {
/**
* A hook used by the Printer when generating unique names to avoid collisions with
* globally defined names that exist outside of the current source file.
*/
hasGlobalName?(name: string): boolean;
/**
* A hook used by the Printer to provide notifications prior to emitting a node. A
* compatible implementation **must** invoke `emitCallback` with the provided `hint` and
* `node` values.
* @param hint A hint indicating the intended purpose of the node.
* @param node The node to emit.
* @param emitCallback A callback that, when invoked, will emit the node.
* @example
* ```ts
* var printer = createPrinter(printerOptions, {
* onEmitNode(hint, node, emitCallback) {
* // set up or track state prior to emitting the node...
* emitCallback(hint, node);
* // restore state after emitting the node...
* }
* });
* ```
*/
onEmitNode?(hint: EmitHint, node: Node, emitCallback: (hint: EmitHint, node: Node) => void): void;
/**
* A hook used to check if an emit notification is required for a node.
* @param node The node to emit.
*/
isEmitNotificationEnabled?(node: Node): boolean;
/**
* A hook used by the Printer to perform just-in-time substitution of a node. This is
* primarily used by node transformations that need to substitute one node for another,
* such as replacing `myExportedVar` with `exports.myExportedVar`.
* @param hint A hint indicating the intended purpose of the node.
* @param node The node to emit.
* @example
* ```ts
* var printer = createPrinter(printerOptions, {
* substituteNode(hint, node) {
* // perform substitution if necessary...
* return node;
* }
* });
* ```
*/
substituteNode?(hint: EmitHint, node: Node): Node;
}
interface PrinterOptions {
removeComments?: boolean;
newLine?: NewLineKind;
omitTrailingSemicolon?: boolean;
noEmitHelpers?: boolean;
}
interface GetEffectiveTypeRootsHost {
directoryExists?(directoryName: string): boolean;
getCurrentDirectory?(): string;
}
interface TextSpan {
start: number;
length: number;
}
interface TextChangeRange {
span: TextSpan;
newLength: number;
}
interface SyntaxList extends Node {
kind: SyntaxKind.SyntaxList;
_children: Node[];
}
enum ListFormat {
None = 0,
SingleLine = 0,
MultiLine = 1,
PreserveLines = 2,
LinesMask = 3,
NotDelimited = 0,
BarDelimited = 4,
AmpersandDelimited = 8,
CommaDelimited = 16,
AsteriskDelimited = 32,
DelimitersMask = 60,
AllowTrailingComma = 64,
Indented = 128,
SpaceBetweenBraces = 256,
SpaceBetweenSiblings = 512,
Braces = 1024,
Parenthesis = 2048,
AngleBrackets = 4096,
SquareBrackets = 8192,
BracketsMask = 15360,
OptionalIfUndefined = 16384,
OptionalIfEmpty = 32768,
Optional = 49152,
PreferNewLine = 65536,
NoTrailingNewLine = 131072,
NoInterveningComments = 262144,
NoSpaceIfEmpty = 524288,
SingleElement = 1048576,
SpaceAfterList = 2097152,
Modifiers = 2359808,
HeritageClauses = 512,
SingleLineTypeLiteralMembers = 768,
MultiLineTypeLiteralMembers = 32897,
SingleLineTupleTypeElements = 528,
MultiLineTupleTypeElements = 657,
UnionTypeConstituents = 516,
IntersectionTypeConstituents = 520,
ObjectBindingPatternElements = 525136,
ArrayBindingPatternElements = 524880,
ObjectLiteralExpressionProperties = 526226,
ImportClauseEntries = 526226,
ArrayLiteralExpressionElements = 8914,
CommaListElements = 528,
CallExpressionArguments = 2576,
NewExpressionArguments = 18960,
TemplateExpressionSpans = 262144,
SingleLineBlockStatements = 768,
MultiLineBlockStatements = 129,
VariableDeclarationList = 528,
SingleLineFunctionBodyStatements = 768,
MultiLineFunctionBodyStatements = 1,
ClassHeritageClauses = 0,
ClassMembers = 129,
InterfaceMembers = 129,
EnumMembers = 145,
CaseBlockClauses = 129,
NamedImportsOrExportsElements = 525136,
JsxElementOrFragmentChildren = 262144,
JsxElementAttributes = 262656,
CaseOrDefaultClauseStatements = 163969,
HeritageClauseTypes = 528,
SourceFileStatements = 131073,
Decorators = 2146305,
TypeArguments = 53776,
TypeParameters = 53776,
Parameters = 2576,
IndexSignatureParameters = 8848,
JSDocComment = 33
}
interface UserPreferences {
readonly disableSuggestions?: boolean;
readonly quotePreference?: "auto" | "double" | "single";
readonly includeCompletionsForModuleExports?: boolean;
readonly includeCompletionsForImportStatements?: boolean;
readonly includeCompletionsWithSnippetText?: boolean;
readonly includeAutomaticOptionalChainCompletions?: boolean;
readonly includeCompletionsWithInsertText?: boolean;
readonly includeCompletionsWithClassMemberSnippets?: boolean;
readonly includeCompletionsWithObjectLiteralMethodSnippets?: boolean;
readonly useLabelDetailsInCompletionEntries?: boolean;
readonly allowIncompleteCompletions?: boolean;
readonly importModuleSpecifierPreference?: "shortest" | "project-relative" | "relative" | "non-relative";
/** Determines whether we import `foo/index.ts` as "foo", "foo/index", or "foo/index.js" */
readonly importModuleSpecifierEnding?: "auto" | "minimal" | "index" | "js";
readonly allowTextChangesInNewFiles?: boolean;
readonly providePrefixAndSuffixTextForRename?: boolean;
readonly includePackageJsonAutoImports?: "auto" | "on" | "off";
readonly provideRefactorNotApplicableReason?: boolean;
readonly jsxAttributeCompletionStyle?: "auto" | "braces" | "none";
readonly includeInlayParameterNameHints?: "none" | "literals" | "all";
readonly includeInlayParameterNameHintsWhenArgumentMatchesName?: boolean;
readonly includeInlayFunctionParameterTypeHints?: boolean;
readonly includeInlayVariableTypeHints?: boolean;
readonly includeInlayVariableTypeHintsWhenTypeMatchesName?: boolean;
readonly includeInlayPropertyDeclarationTypeHints?: boolean;
readonly includeInlayFunctionLikeReturnTypeHints?: boolean;
readonly includeInlayEnumMemberValueHints?: boolean;
readonly allowRenameOfImportPath?: boolean;
readonly autoImportFileExcludePatterns?: string[];
readonly organizeImportsIgnoreCase?: "auto" | boolean;
readonly organizeImportsCollation?: "ordinal" | "unicode";
readonly organizeImportsLocale?: string;
readonly organizeImportsNumericCollation?: boolean;
readonly organizeImportsAccentCollation?: boolean;
readonly organizeImportsCaseFirst?: "upper" | "lower" | false;
}
/** Represents a bigint literal value without requiring bigint support */
interface PseudoBigInt {
negative: boolean;
base10Value: string;
}
enum FileWatcherEventKind {
Created = 0,
Changed = 1,
Deleted = 2
}
type FileWatcherCallback = (fileName: string, eventKind: FileWatcherEventKind, modifiedTime?: Date) => void;
type DirectoryWatcherCallback = (fileName: string) => void;
type BufferEncoding = "ascii" | "utf8" | "utf-8" | "utf16le" | "ucs2" | "ucs-2" | "base64" | "latin1" | "binary" | "hex";
interface System {
args: string[];
newLine: string;
useCaseSensitiveFileNames: boolean;
write(s: string): void;
writeOutputIsTTY?(): boolean;
getWidthOfTerminal?(): number;
readFile(path: string, encoding?: string): string | undefined;
getFileSize?(path: string): number;
writeFile(path: string, data: string, writeByteOrderMark?: boolean): void;
/**
* @pollingInterval - this parameter is used in polling-based watchers and ignored in watchers that
* use native OS file watching
*/
watchFile?(path: string, callback: FileWatcherCallback, pollingInterval?: number, options?: WatchOptions): FileWatcher;
watchDirectory?(path: string, callback: DirectoryWatcherCallback, recursive?: boolean, options?: WatchOptions): FileWatcher;
resolvePath(path: string): string;
fileExists(path: string): boolean;
directoryExists(path: string): boolean;
createDirectory(path: string): void;
getExecutingFilePath(): string;
getCurrentDirectory(): string;
getDirectories(path: string): string[];
readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[];
getModifiedTime?(path: string): Date | undefined;
setModifiedTime?(path: string, time: Date): void;
deleteFile?(path: string): void;
/**
* A good implementation is node.js' `crypto.createHash`. (https://nodejs.org/api/crypto.html#crypto_crypto_createhash_algorithm)
*/
createHash?(data: string): string;
/** This must be cryptographically secure. Only implement this method using `crypto.createHash("sha256")`. */
createSHA256Hash?(data: string): string;
getMemoryUsage?(): number;
exit(exitCode?: number): void;
realpath?(path: string): string;
setTimeout?(callback: (...args: any[]) => void, ms: number, ...args: any[]): any;
clearTimeout?(timeoutId: any): void;
clearScreen?(): void;
base64decode?(input: string): string;
base64encode?(input: string): string;
}
interface FileWatcher {
close(): void;
}
let sys: System;
function tokenToString(t: SyntaxKind): string | undefined;
function getPositionOfLineAndCharacter(sourceFile: SourceFileLike, line: number, character: number): number;
function getLineAndCharacterOfPosition(sourceFile: SourceFileLike, position: number): LineAndCharacter;
function isWhiteSpaceLike(ch: number): boolean;
/** Does not include line breaks. For that, see isWhiteSpaceLike. */
function isWhiteSpaceSingleLine(ch: number): boolean;
function isLineBreak(ch: number): boolean;
function couldStartTrivia(text: string, pos: number): boolean;
function forEachLeadingCommentRange<U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean) => U): U | undefined;
function forEachLeadingCommentRange<T, U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean, state: T) => U, state: T): U | undefined;
function forEachTrailingCommentRange<U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean) => U): U | undefined;
function forEachTrailingCommentRange<T, U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean, state: T) => U, state: T): U | undefined;
function reduceEachLeadingCommentRange<T, U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean, state: T) => U, state: T, initial: U): U | undefined;
function reduceEachTrailingCommentRange<T, U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean, state: T) => U, state: T, initial: U): U | undefined;
function getLeadingCommentRanges(text: string, pos: number): CommentRange[] | undefined;
function getTrailingCommentRanges(text: string, pos: number): CommentRange[] | undefined;
/** Optionally, get the shebang */
function getShebang(text: string): string | undefined;
function isIdentifierStart(ch: number, languageVersion: ScriptTarget | undefined): boolean;
function isIdentifierPart(ch: number, languageVersion: ScriptTarget | undefined, identifierVariant?: LanguageVariant): boolean;
function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean, languageVariant?: LanguageVariant, textInitial?: string, onError?: ErrorCallback, start?: number, length?: number): Scanner;
type ErrorCallback = (message: DiagnosticMessage, length: number) => void;
interface Scanner {
getStartPos(): number;
getToken(): SyntaxKind;
getTextPos(): number;
getTokenPos(): number;
getTokenText(): string;
getTokenValue(): string;
hasUnicodeEscape(): boolean;
hasExtendedUnicodeEscape(): boolean;
hasPrecedingLineBreak(): boolean;
isIdentifier(): boolean;
isReservedWord(): boolean;
isUnterminated(): boolean;
reScanGreaterToken(): SyntaxKind;
reScanSlashToken(): SyntaxKind;
reScanAsteriskEqualsToken(): SyntaxKind;
reScanTemplateToken(isTaggedTemplate: boolean): SyntaxKind;
reScanTemplateHeadOrNoSubstitutionTemplate(): SyntaxKind;
scanJsxIdentifier(): SyntaxKind;
scanJsxAttributeValue(): SyntaxKind;
reScanJsxAttributeValue(): SyntaxKind;
reScanJsxToken(allowMultilineJsxText?: boolean): JsxTokenSyntaxKind;
reScanLessThanToken(): SyntaxKind;
reScanHashToken(): SyntaxKind;
reScanQuestionToken(): SyntaxKind;
reScanInvalidIdentifier(): SyntaxKind;
scanJsxToken(): JsxTokenSyntaxKind;
scanJsDocToken(): JSDocSyntaxKind;
scan(): SyntaxKind;
getText(): string;
setText(text: string | undefined, start?: number, length?: number): void;
setOnError(onError: ErrorCallback | undefined): void;
setScriptTarget(scriptTarget: ScriptTarget): void;
setLanguageVariant(variant: LanguageVariant): void;
setTextPos(textPos: number): void;
lookAhead<T>(callback: () => T): T;
scanRange<T>(start: number, length: number, callback: () => T): T;
tryScan<T>(callback: () => T): T;
}
function isExternalModuleNameRelative(moduleName: string): boolean;
function sortAndDeduplicateDiagnostics<T extends Diagnostic>(diagnostics: readonly T[]): SortedReadonlyArray<T>;
function getDefaultLibFileName(options: CompilerOptions): string;
function textSpanEnd(span: TextSpan): number;
function textSpanIsEmpty(span: TextSpan): boolean;
function textSpanContainsPosition(span: TextSpan, position: number): boolean;
function textSpanContainsTextSpan(span: TextSpan, other: TextSpan): boolean;
function textSpanOverlapsWith(span: TextSpan, other: TextSpan): boolean;
function textSpanOverlap(span1: TextSpan, span2: TextSpan): TextSpan | undefined;
function textSpanIntersectsWithTextSpan(span: TextSpan, other: TextSpan): boolean;
function textSpanIntersectsWith(span: TextSpan, start: number, length: number): boolean;
function decodedTextSpanIntersectsWith(start1: number, length1: number, start2: number, length2: number): boolean;
function textSpanIntersectsWithPosition(span: TextSpan, position: number): boolean;
function textSpanIntersection(span1: TextSpan, span2: TextSpan): TextSpan | undefined;
function createTextSpan(start: number, length: number): TextSpan;
function createTextSpanFromBounds(start: number, end: number): TextSpan;
function textChangeRangeNewSpan(range: TextChangeRange): TextSpan;
function textChangeRangeIsUnchanged(range: TextChangeRange): boolean;
function createTextChangeRange(span: TextSpan, newLength: number): TextChangeRange;
/**
* Called to merge all the changes that occurred across several versions of a script snapshot
* into a single change. i.e. if a user keeps making successive edits to a script we will
* have a text change from V1 to V2, V2 to V3, ..., Vn.
*
* This function will then merge those changes into a single change range valid between V1 and
* Vn.
*/
function collapseTextChangeRangesAcrossMultipleVersions(changes: readonly TextChangeRange[]): TextChangeRange;
function getTypeParameterOwner(d: Declaration): Declaration | undefined;
function isParameterPropertyDeclaration(node: Node, parent: Node): node is ParameterPropertyDeclaration;
function isEmptyBindingPattern(node: BindingName): node is BindingPattern;
function isEmptyBindingElement(node: BindingElement | ArrayBindingElement): boolean;
function walkUpBindingElementsAndPatterns(binding: BindingElement): VariableDeclaration | ParameterDeclaration;
function getCombinedModifierFlags(node: Declaration): ModifierFlags;
function getCombinedNodeFlags(node: Node): NodeFlags;
/**
* Checks to see if the locale is in the appropriate format,
* and if it is, attempts to set the appropriate language.
*/
function validateLocaleAndSetLanguage(locale: string, sys: {
getExecutingFilePath(): string;
resolvePath(path: string): string;
fileExists(fileName: string): boolean;
readFile(fileName: string): string | undefined;
}, errors?: Diagnostic[]): void;
function getOriginalNode(node: Node): Node;
function getOriginalNode<T extends Node>(node: Node, nodeTest: (node: Node) => node is T): T;
function getOriginalNode(node: Node | undefined): Node | undefined;
function getOriginalNode<T extends Node>(node: Node | undefined, nodeTest: (node: Node) => node is T): T | undefined;
/**
* Iterates through the parent chain of a node and performs the callback on each parent until the callback
* returns a truthy value, then returns that value.
* If no such value is found, it applies the callback until the parent pointer is undefined or the callback returns "quit"
* At that point findAncestor returns undefined.
*/
function findAncestor<T extends Node>(node: Node | undefined, callback: (element: Node) => element is T): T | undefined;
function findAncestor(node: Node | undefined, callback: (element: Node) => boolean | "quit"): Node | undefined;
/**
* Gets a value indicating whether a node originated in the parse tree.
*
* @param node The node to test.
*/
function isParseTreeNode(node: Node): boolean;
/**
* Gets the original parse tree node for a node.
*
* @param node The original node.
* @returns The original parse tree node if found; otherwise, undefined.
*/
function getParseTreeNode(node: Node | undefined): Node | undefined;
/**
* Gets the original parse tree node for a node.
*
* @param node The original node.
* @param nodeTest A callback used to ensure the correct type of parse tree node is returned.
* @returns The original parse tree node if found; otherwise, undefined.
*/
function getParseTreeNode<T extends Node>(node: T | undefined, nodeTest?: (node: Node) => node is T): T | undefined;
/** Add an extra underscore to identifiers that start with two underscores to avoid issues with magic names like '__proto__' */
function escapeLeadingUnderscores(identifier: string): __String;
/**
* Remove extra underscore from escaped identifier text content.
*
* @param identifier The escaped identifier text.
* @returns The unescaped identifier text.
*/
function unescapeLeadingUnderscores(identifier: __String): string;
function idText(identifierOrPrivateName: Identifier | PrivateIdentifier): string;
/**
* If the text of an Identifier matches a keyword (including contextual and TypeScript-specific keywords), returns the
* SyntaxKind for the matching keyword.
*/
function identifierToKeywordKind(node: Identifier): KeywordSyntaxKind | undefined;
function symbolName(symbol: Symbol): string;
function getNameOfJSDocTypedef(declaration: JSDocTypedefTag): Identifier | PrivateIdentifier | undefined;
function getNameOfDeclaration(declaration: Declaration | Expression | undefined): DeclarationName | undefined;
function getDecorators(node: HasDecorators): readonly Decorator[] | undefined;
function getModifiers(node: HasModifiers): readonly Modifier[] | undefined;
/**
* Gets the JSDoc parameter tags for the node if present.
*
* @remarks Returns any JSDoc param tag whose name matches the provided
* parameter, whether a param tag on a containing function
* expression, or a param tag on a variable declaration whose
* initializer is the containing function. The tags closest to the
* node are returned first, so in the previous example, the param
* tag on the containing function expression would be first.
*
* For binding patterns, parameter tags are matched by position.
*/
function getJSDocParameterTags(param: ParameterDeclaration): readonly JSDocParameterTag[];
/**
* Gets the JSDoc type parameter tags for the node if present.
*
* @remarks Returns any JSDoc template tag whose names match the provided
* parameter, whether a template tag on a containing function
* expression, or a template tag on a variable declaration whose
* initializer is the containing function. The tags closest to the
* node are returned first, so in the previous example, the template
* tag on the containing function expression would be first.
*/
function getJSDocTypeParameterTags(param: TypeParameterDeclaration): readonly JSDocTemplateTag[];
/**
* Return true if the node has JSDoc parameter tags.
*
* @remarks Includes parameter tags that are not directly on the node,
* for example on a variable declaration whose initializer is a function expression.
*/
function hasJSDocParameterTags(node: FunctionLikeDeclaration | SignatureDeclaration): boolean;
/** Gets the JSDoc augments tag for the node if present */
function getJSDocAugmentsTag(node: Node): JSDocAugmentsTag | undefined;
/** Gets the JSDoc implements tags for the node if present */
function getJSDocImplementsTags(node: Node): readonly JSDocImplementsTag[];
/** Gets the JSDoc class tag for the node if present */
function getJSDocClassTag(node: Node): JSDocClassTag | undefined;
/** Gets the JSDoc public tag for the node if present */
function getJSDocPublicTag(node: Node): JSDocPublicTag | undefined;
/** Gets the JSDoc private tag for the node if present */
function getJSDocPrivateTag(node: Node): JSDocPrivateTag | undefined;
/** Gets the JSDoc protected tag for the node if present */
function getJSDocProtectedTag(node: Node): JSDocProtectedTag | undefined;
/** Gets the JSDoc protected tag for the node if present */
function getJSDocReadonlyTag(node: Node): JSDocReadonlyTag | undefined;
function getJSDocOverrideTagNoCache(node: Node): JSDocOverrideTag | undefined;
/** Gets the JSDoc deprecated tag for the node if present */
function getJSDocDeprecatedTag(node: Node): JSDocDeprecatedTag | undefined;
/** Gets the JSDoc enum tag for the node if present */
function getJSDocEnumTag(node: Node): JSDocEnumTag | undefined;
/** Gets the JSDoc this tag for the node if present */
function getJSDocThisTag(node: Node): JSDocThisTag | undefined;
/** Gets the JSDoc return tag for the node if present */
function getJSDocReturnTag(node: Node): JSDocReturnTag | undefined;
/** Gets the JSDoc template tag for the node if present */
function getJSDocTemplateTag(node: Node): JSDocTemplateTag | undefined;
function getJSDocSatisfiesTag(node: Node): JSDocSatisfiesTag | undefined;
/** Gets the JSDoc type tag for the node if present and valid */
function getJSDocTypeTag(node: Node): JSDocTypeTag | undefined;
/**
* Gets the type node for the node if provided via JSDoc.
*
* @remarks The search includes any JSDoc param tag that relates
* to the provided parameter, for example a type tag on the
* parameter itself, or a param tag on a containing function
* expression, or a param tag on a variable declaration whose
* initializer is the containing function. The tags closest to the
* node are examined first, so in the previous example, the type
* tag directly on the node would be returned.
*/
function getJSDocType(node: Node): TypeNode | undefined;
/**
* Gets the return type node for the node if provided via JSDoc return tag or type tag.
*
* @remarks `getJSDocReturnTag` just gets the whole JSDoc tag. This function
* gets the type from inside the braces, after the fat arrow, etc.
*/
function getJSDocReturnType(node: Node): TypeNode | undefined;
/** Get all JSDoc tags related to a node, including those on parent nodes. */
function getJSDocTags(node: Node): readonly JSDocTag[];
/** Gets all JSDoc tags that match a specified predicate */
function getAllJSDocTags<T extends JSDocTag>(node: Node, predicate: (tag: JSDocTag) => tag is T): readonly T[];
/** Gets all JSDoc tags of a specified kind */
function getAllJSDocTagsOfKind(node: Node, kind: SyntaxKind): readonly JSDocTag[];
/** Gets the text of a jsdoc comment, flattening links to their text. */
function getTextOfJSDocComment(comment?: string | NodeArray<JSDocComment>): string | undefined;
/**
* Gets the effective type parameters. If the node was parsed in a
* JavaScript file, gets the type parameters from the `@template` tag from JSDoc.
*
* This does *not* return type parameters from a jsdoc reference to a generic type, eg
*
* type Id = <T>(x: T) => T
* /** @type {Id} /
* function id(x) { return x }
*/
function getEffectiveTypeParameterDeclarations(node: DeclarationWithTypeParameters): readonly TypeParameterDeclaration[];
function getEffectiveConstraintOfTypeParameter(node: TypeParameterDeclaration): TypeNode | undefined;
function isMemberName(node: Node): node is MemberName;
function isPropertyAccessChain(node: Node): node is PropertyAccessChain;
function isElementAccessChain(node: Node): node is ElementAccessChain;
function isCallChain(node: Node): node is CallChain;
function isOptionalChain(node: Node): node is PropertyAccessChain | ElementAccessChain | CallChain | NonNullChain;
function isNullishCoalesce(node: Node): boolean;
function isConstTypeReference(node: Node): boolean;
function skipPartiallyEmittedExpressions(node: Expression): Expression;
function skipPartiallyEmittedExpressions(node: Node): Node;
function isNonNullChain(node: Node): node is NonNullChain;
function isBreakOrContinueStatement(node: Node): node is BreakOrContinueStatement;
function isNamedExportBindings(node: Node): node is NamedExportBindings;
/** @deprecated */
function isUnparsedTextLike(node: Node): node is UnparsedTextLike;
/** @deprecated */
function isUnparsedNode(node: Node): node is UnparsedNode;
function isJSDocPropertyLikeTag(node: Node): node is JSDocPropertyLikeTag;
/**
* True if kind is of some token syntax kind.
* For example, this is true for an IfKeyword but not for an IfStatement.
* Literals are considered tokens, except TemplateLiteral, but does include TemplateHead/Middle/Tail.
*/
function isTokenKind(kind: SyntaxKind): boolean;
/**
* True if node is of some token syntax kind.
* For example, this is true for an IfKeyword but not for an IfStatement.
* Literals are considered tokens, except TemplateLiteral, but does include TemplateHead/Middle/Tail.
*/
function isToken(n: Node): boolean;
function isLiteralExpression(node: Node): node is LiteralExpression;
function isTemplateLiteralToken(node: Node): node is TemplateLiteralToken;
function isTemplateMiddleOrTemplateTail(node: Node): node is TemplateMiddle | TemplateTail;
function isImportOrExportSpecifier(node: Node): node is ImportSpecifier | ExportSpecifier;
function isTypeOnlyImportDeclaration(node: Node): node is TypeOnlyImportDeclaration;
function isTypeOnlyExportDeclaration(node: Node): node is TypeOnlyExportDeclaration;
function isTypeOnlyImportOrExportDeclaration(node: Node): node is TypeOnlyAliasDeclaration;
function isAssertionKey(node: Node): node is AssertionKey;
function isStringTextContainingNode(node: Node): node is StringLiteral | TemplateLiteralToken;
function isModifier(node: Node): node is Modifier;
function isEntityName(node: Node): node is EntityName;
function isPropertyName(node: Node): node is PropertyName;
function isBindingName(node: Node): node is BindingName;
function isFunctionLike(node: Node | undefined): node is SignatureDeclaration;
function isClassElement(node: Node): node is ClassElement;
function isClassLike(node: Node): node is ClassLikeDeclaration;
function isAccessor(node: Node): node is AccessorDeclaration;
function isAutoAccessorPropertyDeclaration(node: Node): node is AutoAccessorPropertyDeclaration;
function isModifierLike(node: Node): node is ModifierLike;
function isTypeElement(node: Node): node is TypeElement;
function isClassOrTypeElement(node: Node): node is ClassElement | TypeElement;
function isObjectLiteralElementLike(node: Node): node is ObjectLiteralElementLike;
/**
* Node test that determines whether a node is a valid type node.
* This differs from the `isPartOfTypeNode` function which determines whether a node is *part*
* of a TypeNode.
*/
function isTypeNode(node: Node): node is TypeNode;
function isFunctionOrConstructorTypeNode(node: Node): node is FunctionTypeNode | ConstructorTypeNode;
function isArrayBindingElement(node: Node): node is ArrayBindingElement;
function isPropertyAccessOrQualifiedName(node: Node): node is PropertyAccessExpression | QualifiedName;
function isCallLikeExpression(node: Node): node is CallLikeExpression;
function isCallOrNewExpression(node: Node): node is CallExpression | NewExpression;
function isTemplateLiteral(node: Node): node is TemplateLiteral;
function isLeftHandSideExpression(node: Node): node is LeftHandSideExpression;
function isLiteralTypeLiteral(node: Node): node is NullLiteral | BooleanLiteral | LiteralExpression | PrefixUnaryExpression;
/**
* Determines whether a node is an expression based only on its kind.
*/
function isExpression(node: Node): node is Expression;
function isAssertionExpression(node: Node): node is AssertionExpression;
function isIterationStatement(node: Node, lookInLabeledStatements: false): node is IterationStatement;
function isIterationStatement(node: Node, lookInLabeledStatements: boolean): node is IterationStatement | LabeledStatement;
function isConciseBody(node: Node): node is ConciseBody;
function isForInitializer(node: Node): node is ForInitializer;
function isModuleBody(node: Node): node is ModuleBody;
function isNamedImportBindings(node: Node): node is NamedImportBindings;
function isStatement(node: Node): node is Statement;
function isModuleReference(node: Node): node is ModuleReference;
function isJsxTagNameExpression(node: Node): node is JsxTagNameExpression;
function isJsxChild(node: Node): node is JsxChild;
function isJsxAttributeLike(node: Node): node is JsxAttributeLike;
function isStringLiteralOrJsxExpression(node: Node): node is StringLiteral | JsxExpression;
function isJsxOpeningLikeElement(node: Node): node is JsxOpeningLikeElement;
function isCaseOrDefaultClause(node: Node): node is CaseOrDefaultClause;
/** True if node is of a kind that may contain comment text. */
function isJSDocCommentContainingNode(node: Node): boolean;
function isSetAccessor(node: Node): node is SetAccessorDeclaration;
function isGetAccessor(node: Node): node is GetAccessorDeclaration;
/** True if has initializer node attached to it. */
function hasOnlyExpressionInitializer(node: Node): node is HasExpressionInitializer;
function isObjectLiteralElement(node: Node): node is ObjectLiteralElement;
function isStringLiteralLike(node: Node | FileReference): node is StringLiteralLike;
function isJSDocLinkLike(node: Node): node is JSDocLink | JSDocLinkCode | JSDocLinkPlain;
function hasRestParameter(s: SignatureDeclaration | JSDocSignature): boolean;
function isRestParameter(node: ParameterDeclaration | JSDocParameterTag): boolean;
let unchangedTextChangeRange: TextChangeRange;
type ParameterPropertyDeclaration = ParameterDeclaration & {
parent: ConstructorDeclaration;
name: Identifier;
};
/** @deprecated */
function createUnparsedSourceFile(text: string): UnparsedSource;
/** @deprecated */
function createUnparsedSourceFile(inputFile: InputFiles, type: "js" | "dts", stripInternal?: boolean): UnparsedSource;
/** @deprecated */
function createUnparsedSourceFile(text: string, mapPath: string | undefined, map: string | undefined): UnparsedSource;
/** @deprecated */
function createInputFiles(javascriptText: string, declarationText: string): InputFiles;
/** @deprecated */
function createInputFiles(javascriptText: string, declarationText: string, javascriptMapPath: string | undefined, javascriptMapText: string | undefined, declarationMapPath: string | undefined, declarationMapText: string | undefined): InputFiles;
/** @deprecated */
function createInputFiles(readFileText: (path: string) => string | undefined, javascriptPath: string, javascriptMapPath: string | undefined, declarationPath: string, declarationMapPath: string | undefined, buildInfoPath: string | undefined): InputFiles;
/**
* Create an external source map source file reference
*/
function createSourceMapSource(fileName: string, text: string, skipTrivia?: (pos: number) => number): SourceMapSource;
function setOriginalNode<T extends Node>(node: T, original: Node | undefined): T;
const factory: NodeFactory;
/**
* Clears any `EmitNode` entries from parse-tree nodes.
* @param sourceFile A source file.
*/
function disposeEmitNodes(sourceFile: SourceFile | undefined): void;
/**
* Sets flags that control emit behavior of a node.
*/
function setEmitFlags<T extends Node>(node: T, emitFlags: EmitFlags): T;
/**
* Gets a custom text range to use when emitting source maps.
*/
function getSourceMapRange(node: Node): SourceMapRange;
/**
* Sets a custom text range to use when emitting source maps.
*/
function setSourceMapRange<T extends Node>(node: T, range: SourceMapRange | undefined): T;
/**
* Gets the TextRange to use for source maps for a token of a node.
*/
function getTokenSourceMapRange(node: Node, token: SyntaxKind): SourceMapRange | undefined;
/**
* Sets the TextRange to use for source maps for a token of a node.
*/
function setTokenSourceMapRange<T extends Node>(node: T, token: SyntaxKind, range: SourceMapRange | undefined): T;
/**
* Gets a custom text range to use when emitting comments.
*/
function getCommentRange(node: Node): TextRange;
/**
* Sets a custom text range to use when emitting comments.
*/
function setCommentRange<T extends Node>(node: T, range: TextRange): T;
function getSyntheticLeadingComments(node: Node): SynthesizedComment[] | undefined;
function setSyntheticLeadingComments<T extends Node>(node: T, comments: SynthesizedComment[] | undefined): T;
function addSyntheticLeadingComment<T extends Node>(node: T, kind: SyntaxKind.SingleLineCommentTrivia | SyntaxKind.MultiLineCommentTrivia, text: string, hasTrailingNewLine?: boolean): T;
function getSyntheticTrailingComments(node: Node): SynthesizedComment[] | undefined;
function setSyntheticTrailingComments<T extends Node>(node: T, comments: SynthesizedComment[] | undefined): T;
function addSyntheticTrailingComment<T extends Node>(node: T, kind: SyntaxKind.SingleLineCommentTrivia | SyntaxKind.MultiLineCommentTrivia, text: string, hasTrailingNewLine?: boolean): T;
function moveSyntheticComments<T extends Node>(node: T, original: Node): T;
/**
* Gets the constant value to emit for an expression representing an enum.
*/
function getConstantValue(node: AccessExpression): string | number | undefined;
/**
* Sets the constant value to emit for an expression.
*/
function setConstantValue(node: AccessExpression, value: string | number): AccessExpression;
/**
* Adds an EmitHelper to a node.
*/
function addEmitHelper<T extends Node>(node: T, helper: EmitHelper): T;
/**
* Add EmitHelpers to a node.
*/
function addEmitHelpers<T extends Node>(node: T, helpers: EmitHelper[] | undefined): T;
/**
* Removes an EmitHelper from a node.
*/
function removeEmitHelper(node: Node, helper: EmitHelper): boolean;
/**
* Gets the EmitHelpers of a node.
*/
function getEmitHelpers(node: Node): EmitHelper[] | undefined;
/**
* Moves matching emit helpers from a source node to a target node.
*/
function moveEmitHelpers(source: Node, target: Node, predicate: (helper: EmitHelper) => boolean): void;
function isNumericLiteral(node: Node): node is NumericLiteral;
function isBigIntLiteral(node: Node): node is BigIntLiteral;
function isStringLiteral(node: Node): node is StringLiteral;
function isJsxText(node: Node): node is JsxText;
function isRegularExpressionLiteral(node: Node): node is RegularExpressionLiteral;
function isNoSubstitutionTemplateLiteral(node: Node): node is NoSubstitutionTemplateLiteral;
function isTemplateHead(node: Node): node is TemplateHead;
function isTemplateMiddle(node: Node): node is TemplateMiddle;
function isTemplateTail(node: Node): node is TemplateTail;
function isDotDotDotToken(node: Node): node is DotDotDotToken;
function isPlusToken(node: Node): node is PlusToken;
function isMinusToken(node: Node): node is MinusToken;
function isAsteriskToken(node: Node): node is AsteriskToken;
function isExclamationToken(node: Node): node is ExclamationToken;
function isQuestionToken(node: Node): node is QuestionToken;
function isColonToken(node: Node): node is ColonToken;
function isQuestionDotToken(node: Node): node is QuestionDotToken;
function isEqualsGreaterThanToken(node: Node): node is EqualsGreaterThanToken;
function isIdentifier(node: Node): node is Identifier;
function isPrivateIdentifier(node: Node): node is PrivateIdentifier;
function isAssertsKeyword(node: Node): node is AssertsKeyword;
function isAwaitKeyword(node: Node): node is AwaitKeyword;
function isQualifiedName(node: Node): node is QualifiedName;
function isComputedPropertyName(node: Node): node is ComputedPropertyName;
function isTypeParameterDeclaration(node: Node): node is TypeParameterDeclaration;
function isParameter(node: Node): node is ParameterDeclaration;
function isDecorator(node: Node): node is Decorator;
function isPropertySignature(node: Node): node is PropertySignature;
function isPropertyDeclaration(node: Node): node is PropertyDeclaration;
function isMethodSignature(node: Node): node is MethodSignature;
function isMethodDeclaration(node: Node): node is MethodDeclaration;
function isClassStaticBlockDeclaration(node: Node): node is ClassStaticBlockDeclaration;
function isConstructorDeclaration(node: Node): node is ConstructorDeclaration;
function isGetAccessorDeclaration(node: Node): node is GetAccessorDeclaration;
function isSetAccessorDeclaration(node: Node): node is SetAccessorDeclaration;
function isCallSignatureDeclaration(node: Node): node is CallSignatureDeclaration;
function isConstructSignatureDeclaration(node: Node): node is ConstructSignatureDeclaration;
function isIndexSignatureDeclaration(node: Node): node is IndexSignatureDeclaration;
function isTypePredicateNode(node: Node): node is TypePredicateNode;
function isTypeReferenceNode(node: Node): node is TypeReferenceNode;
function isFunctionTypeNode(node: Node): node is FunctionTypeNode;
function isConstructorTypeNode(node: Node): node is ConstructorTypeNode;
function isTypeQueryNode(node: Node): node is TypeQueryNode;
function isTypeLiteralNode(node: Node): node is TypeLiteralNode;
function isArrayTypeNode(node: Node): node is ArrayTypeNode;
function isTupleTypeNode(node: Node): node is TupleTypeNode;
function isNamedTupleMember(node: Node): node is NamedTupleMember;
function isOptionalTypeNode(node: Node): node is OptionalTypeNode;
function isRestTypeNode(node: Node): node is RestTypeNode;
function isUnionTypeNode(node: Node): node is UnionTypeNode;
function isIntersectionTypeNode(node: Node): node is IntersectionTypeNode;
function isConditionalTypeNode(node: Node): node is ConditionalTypeNode;
function isInferTypeNode(node: Node): node is InferTypeNode;
function isParenthesizedTypeNode(node: Node): node is ParenthesizedTypeNode;
function isThisTypeNode(node: Node): node is ThisTypeNode;
function isTypeOperatorNode(node: Node): node is TypeOperatorNode;
function isIndexedAccessTypeNode(node: Node): node is IndexedAccessTypeNode;
function isMappedTypeNode(node: Node): node is MappedTypeNode;
function isLiteralTypeNode(node: Node): node is LiteralTypeNode;
function isImportTypeNode(node: Node): node is ImportTypeNode;
function isTemplateLiteralTypeSpan(node: Node): node is TemplateLiteralTypeSpan;
function isTemplateLiteralTypeNode(node: Node): node is TemplateLiteralTypeNode;
function isObjectBindingPattern(node: Node): node is ObjectBindingPattern;
function isArrayBindingPattern(node: Node): node is ArrayBindingPattern;
function isBindingElement(node: Node): node is BindingElement;
function isArrayLiteralExpression(node: Node): node is ArrayLiteralExpression;
function isObjectLiteralExpression(node: Node): node is ObjectLiteralExpression;
function isPropertyAccessExpression(node: Node): node is PropertyAccessExpression;
function isElementAccessExpression(node: Node): node is ElementAccessExpression;
function isCallExpression(node: Node): node is CallExpression;
function isNewExpression(node: Node): node is NewExpression;
function isTaggedTemplateExpression(node: Node): node is TaggedTemplateExpression;
function isTypeAssertionExpression(node: Node): node is TypeAssertion;
function isParenthesizedExpression(node: Node): node is ParenthesizedExpression;
function isFunctionExpression(node: Node): node is FunctionExpression;
function isArrowFunction(node: Node): node is ArrowFunction;
function isDeleteExpression(node: Node): node is DeleteExpression;
function isTypeOfExpression(node: Node): node is TypeOfExpression;
function isVoidExpression(node: Node): node is VoidExpression;
function isAwaitExpression(node: Node): node is AwaitExpression;
function isPrefixUnaryExpression(node: Node): node is PrefixUnaryExpression;
function isPostfixUnaryExpression(node: Node): node is PostfixUnaryExpression;
function isBinaryExpression(node: Node): node is BinaryExpression;
function isConditionalExpression(node: Node): node is ConditionalExpression;
function isTemplateExpression(node: Node): node is TemplateExpression;
function isYieldExpression(node: Node): node is YieldExpression;
function isSpreadElement(node: Node): node is SpreadElement;
function isClassExpression(node: Node): node is ClassExpression;
function isOmittedExpression(node: Node): node is OmittedExpression;
function isExpressionWithTypeArguments(node: Node): node is ExpressionWithTypeArguments;
function isAsExpression(node: Node): node is AsExpression;
function isSatisfiesExpression(node: Node): node is SatisfiesExpression;
function isNonNullExpression(node: Node): node is NonNullExpression;
function isMetaProperty(node: Node): node is MetaProperty;
function isSyntheticExpression(node: Node): node is SyntheticExpression;
function isPartiallyEmittedExpression(node: Node): node is PartiallyEmittedExpression;
function isCommaListExpression(node: Node): node is CommaListExpression;
function isTemplateSpan(node: Node): node is TemplateSpan;
function isSemicolonClassElement(node: Node): node is SemicolonClassElement;
function isBlock(node: Node): node is Block;
function isVariableStatement(node: Node): node is VariableStatement;
function isEmptyStatement(node: Node): node is EmptyStatement;
function isExpressionStatement(node: Node): node is ExpressionStatement;
function isIfStatement(node: Node): node is IfStatement;
function isDoStatement(node: Node): node is DoStatement;
function isWhileStatement(node: Node): node is WhileStatement;
function isForStatement(node: Node): node is ForStatement;
function isForInStatement(node: Node): node is ForInStatement;
function isForOfStatement(node: Node): node is ForOfStatement;
function isContinueStatement(node: Node): node is ContinueStatement;
function isBreakStatement(node: Node): node is BreakStatement;
function isReturnStatement(node: Node): node is ReturnStatement;
function isWithStatement(node: Node): node is WithStatement;
function isSwitchStatement(node: Node): node is SwitchStatement;
function isLabeledStatement(node: Node): node is LabeledStatement;
function isThrowStatement(node: Node): node is ThrowStatement;
function isTryStatement(node: Node): node is TryStatement;
function isDebuggerStatement(node: Node): node is DebuggerStatement;
function isVariableDeclaration(node: Node): node is VariableDeclaration;
function isVariableDeclarationList(node: Node): node is VariableDeclarationList;
function isFunctionDeclaration(node: Node): node is FunctionDeclaration;
function isClassDeclaration(node: Node): node is ClassDeclaration;
function isInterfaceDeclaration(node: Node): node is InterfaceDeclaration;
function isTypeAliasDeclaration(node: Node): node is TypeAliasDeclaration;
function isEnumDeclaration(node: Node): node is EnumDeclaration;
function isModuleDeclaration(node: Node): node is ModuleDeclaration;
function isModuleBlock(node: Node): node is ModuleBlock;
function isCaseBlock(node: Node): node is CaseBlock;
function isNamespaceExportDeclaration(node: Node): node is NamespaceExportDeclaration;
function isImportEqualsDeclaration(node: Node): node is ImportEqualsDeclaration;
function isImportDeclaration(node: Node): node is ImportDeclaration;
function isImportClause(node: Node): node is ImportClause;
function isImportTypeAssertionContainer(node: Node): node is ImportTypeAssertionContainer;
function isAssertClause(node: Node): node is AssertClause;
function isAssertEntry(node: Node): node is AssertEntry;
function isNamespaceImport(node: Node): node is NamespaceImport;
function isNamespaceExport(node: Node): node is NamespaceExport;
function isNamedImports(node: Node): node is NamedImports;
function isImportSpecifier(node: Node): node is ImportSpecifier;
function isExportAssignment(node: Node): node is ExportAssignment;
function isExportDeclaration(node: Node): node is ExportDeclaration;
function isNamedExports(node: Node): node is NamedExports;
function isExportSpecifier(node: Node): node is ExportSpecifier;
function isMissingDeclaration(node: Node): node is MissingDeclaration;
function isNotEmittedStatement(node: Node): node is NotEmittedStatement;
function isExternalModuleReference(node: Node): node is ExternalModuleReference;
function isJsxElement(node: Node): node is JsxElement;
function isJsxSelfClosingElement(node: Node): node is JsxSelfClosingElement;
function isJsxOpeningElement(node: Node): node is JsxOpeningElement;
function isJsxClosingElement(node: Node): node is JsxClosingElement;
function isJsxFragment(node: Node): node is JsxFragment;
function isJsxOpeningFragment(node: Node): node is JsxOpeningFragment;
function isJsxClosingFragment(node: Node): node is JsxClosingFragment;
function isJsxAttribute(node: Node): node is JsxAttribute;
function isJsxAttributes(node: Node): node is JsxAttributes;
function isJsxSpreadAttribute(node: Node): node is JsxSpreadAttribute;
function isJsxExpression(node: Node): node is JsxExpression;
function isCaseClause(node: Node): node is CaseClause;
function isDefaultClause(node: Node): node is DefaultClause;
function isHeritageClause(node: Node): node is HeritageClause;
function isCatchClause(node: Node): node is CatchClause;
function isPropertyAssignment(node: Node): node is PropertyAssignment;
function isShorthandPropertyAssignment(node: Node): node is ShorthandPropertyAssignment;
function isSpreadAssignment(node: Node): node is SpreadAssignment;
function isEnumMember(node: Node): node is EnumMember;
/** @deprecated */
function isUnparsedPrepend(node: Node): node is UnparsedPrepend;
function isSourceFile(node: Node): node is SourceFile;
function isBundle(node: Node): node is Bundle;
/** @deprecated */
function isUnparsedSource(node: Node): node is UnparsedSource;
function isJSDocTypeExpression(node: Node): node is JSDocTypeExpression;
function isJSDocNameReference(node: Node): node is JSDocNameReference;
function isJSDocMemberName(node: Node): node is JSDocMemberName;
function isJSDocLink(node: Node): node is JSDocLink;
function isJSDocLinkCode(node: Node): node is JSDocLinkCode;
function isJSDocLinkPlain(node: Node): node is JSDocLinkPlain;
function isJSDocAllType(node: Node): node is JSDocAllType;
function isJSDocUnknownType(node: Node): node is JSDocUnknownType;
function isJSDocNullableType(node: Node): node is JSDocNullableType;
function isJSDocNonNullableType(node: Node): node is JSDocNonNullableType;
function isJSDocOptionalType(node: Node): node is JSDocOptionalType;
function isJSDocFunctionType(node: Node): node is JSDocFunctionType;
function isJSDocVariadicType(node: Node): node is JSDocVariadicType;
function isJSDocNamepathType(node: Node): node is JSDocNamepathType;
function isJSDoc(node: Node): node is JSDoc;
function isJSDocTypeLiteral(node: Node): node is JSDocTypeLiteral;
function isJSDocSignature(node: Node): node is JSDocSignature;
function isJSDocAugmentsTag(node: Node): node is JSDocAugmentsTag;
function isJSDocAuthorTag(node: Node): node is JSDocAuthorTag;
function isJSDocClassTag(node: Node): node is JSDocClassTag;
function isJSDocCallbackTag(node: Node): node is JSDocCallbackTag;
function isJSDocPublicTag(node: Node): node is JSDocPublicTag;
function isJSDocPrivateTag(node: Node): node is JSDocPrivateTag;
function isJSDocProtectedTag(node: Node): node is JSDocProtectedTag;
function isJSDocReadonlyTag(node: Node): node is JSDocReadonlyTag;
function isJSDocOverrideTag(node: Node): node is JSDocOverrideTag;
function isJSDocOverloadTag(node: Node): node is JSDocOverloadTag;
function isJSDocDeprecatedTag(node: Node): node is JSDocDeprecatedTag;
function isJSDocSeeTag(node: Node): node is JSDocSeeTag;
function isJSDocEnumTag(node: Node): node is JSDocEnumTag;
function isJSDocParameterTag(node: Node): node is JSDocParameterTag;
function isJSDocReturnTag(node: Node): node is JSDocReturnTag;
function isJSDocThisTag(node: Node): node is JSDocThisTag;
function isJSDocTypeTag(node: Node): node is JSDocTypeTag;
function isJSDocTemplateTag(node: Node): node is JSDocTemplateTag;
function isJSDocTypedefTag(node: Node): node is JSDocTypedefTag;
function isJSDocUnknownTag(node: Node): node is JSDocUnknownTag;
function isJSDocPropertyTag(node: Node): node is JSDocPropertyTag;
function isJSDocImplementsTag(node: Node): node is JSDocImplementsTag;
function isJSDocSatisfiesTag(node: Node): node is JSDocSatisfiesTag;
function isJSDocThrowsTag(node: Node): node is JSDocThrowsTag;
function isQuestionOrExclamationToken(node: Node): node is QuestionToken | ExclamationToken;
function isIdentifierOrThisTypeNode(node: Node): node is Identifier | ThisTypeNode;
function isReadonlyKeywordOrPlusOrMinusToken(node: Node): node is ReadonlyKeyword | PlusToken | MinusToken;
function isQuestionOrPlusOrMinusToken(node: Node): node is QuestionToken | PlusToken | MinusToken;
function isModuleName(node: Node): node is ModuleName;
function isBinaryOperatorToken(node: Node): node is BinaryOperatorToken;
function setTextRange<T extends TextRange>(range: T, location: TextRange | undefined): T;
function canHaveModifiers(node: Node): node is HasModifiers;
function canHaveDecorators(node: Node): node is HasDecorators;
/**
* Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes
* stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; otherwise,
* embedded arrays are flattened and the 'cbNode' callback is invoked for each element. If a callback returns
* a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned.
*
* @param node a given node to visit its children
* @param cbNode a callback to be invoked for all child nodes
* @param cbNodes a callback to be invoked for embedded array
*
* @remarks `forEachChild` must visit the children of a node in the order
* that they appear in the source code. The language service depends on this property to locate nodes by position.
*/
function forEachChild<T>(node: Node, cbNode: (node: Node) => T | undefined, cbNodes?: (nodes: NodeArray<Node>) => T | undefined): T | undefined;
function createSourceFile(fileName: string, sourceText: string, languageVersionOrOptions: ScriptTarget | CreateSourceFileOptions, setParentNodes?: boolean, scriptKind?: ScriptKind): SourceFile;
function parseIsolatedEntityName(text: string, languageVersion: ScriptTarget): EntityName | undefined;
/**
* Parse json text into SyntaxTree and return node and parse errors if any
* @param fileName
* @param sourceText
*/
function parseJsonText(fileName: string, sourceText: string): JsonSourceFile;
function isExternalModule(file: SourceFile): boolean;
function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile;
interface CreateSourceFileOptions {
languageVersion: ScriptTarget;
/**
* Controls the format the file is detected as - this can be derived from only the path
* and files on disk, but needs to be done with a module resolution cache in scope to be performant.
* This is usually `undefined` for compilations that do not have `moduleResolution` values of `node16` or `nodenext`.
*/
impliedNodeFormat?: ResolutionMode;
/**
* Controls how module-y-ness is set for the given file. Usually the result of calling
* `getSetExternalModuleIndicator` on a valid `CompilerOptions` object. If not present, the default
* check specified by `isFileProbablyExternalModule` will be used to set the field.
*/
setExternalModuleIndicator?: (file: SourceFile) => void;
}
function parseCommandLine(commandLine: readonly string[], readFile?: (path: string) => string | undefined): ParsedCommandLine;
/**
* Reads the config file, reports errors if any and exits if the config file cannot be found
*/
function getParsedCommandLineOfConfigFile(configFileName: string, optionsToExtend: CompilerOptions | undefined, host: ParseConfigFileHost, extendedConfigCache?: Map<string, ExtendedConfigCacheEntry>, watchOptionsToExtend?: WatchOptions, extraFileExtensions?: readonly FileExtensionInfo[]): ParsedCommandLine | undefined;
/**
* Read tsconfig.json file
* @param fileName The path to the config file
*/
function readConfigFile(fileName: string, readFile: (path: string) => string | undefined): {
config?: any;
error?: Diagnostic;
};
/**
* Parse the text of the tsconfig.json file
* @param fileName The path to the config file
* @param jsonText The text of the config file
*/
function parseConfigFileTextToJson(fileName: string, jsonText: string): {
config?: any;
error?: Diagnostic;
};
/**
* Read tsconfig.json file
* @param fileName The path to the config file
*/
function readJsonConfigFile(fileName: string, readFile: (path: string) => string | undefined): TsConfigSourceFile;
/**
* Convert the json syntax tree into the json value
*/
function convertToObject(sourceFile: JsonSourceFile, errors: Diagnostic[]): any;
/**
* Parse the contents of a config file (tsconfig.json).
* @param json The contents of the config file to parse
* @param host Instance of ParseConfigHost used to enumerate files in folder.
* @param basePath A root directory to resolve relative path entries in the config
* file to. e.g. outDir
*/
function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string, resolutionStack?: Path[], extraFileExtensions?: readonly FileExtensionInfo[], extendedConfigCache?: Map<string, ExtendedConfigCacheEntry>, existingWatchOptions?: WatchOptions): ParsedCommandLine;
/**
* Parse the contents of a config file (tsconfig.json).
* @param jsonNode The contents of the config file to parse
* @param host Instance of ParseConfigHost used to enumerate files in folder.
* @param basePath A root directory to resolve relative path entries in the config
* file to. e.g. outDir
*/
function parseJsonSourceFileConfigFileContent(sourceFile: TsConfigSourceFile, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string, resolutionStack?: Path[], extraFileExtensions?: readonly FileExtensionInfo[], extendedConfigCache?: Map<string, ExtendedConfigCacheEntry>, existingWatchOptions?: WatchOptions): ParsedCommandLine;
function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): {
options: CompilerOptions;
errors: Diagnostic[];
};
function convertTypeAcquisitionFromJson(jsonOptions: any, basePath: string, configFileName?: string): {
options: TypeAcquisition;
errors: Diagnostic[];
};
type DiagnosticReporter = (diagnostic: Diagnostic) => void;
/**
* Reports config file diagnostics
*/
interface ConfigFileDiagnosticsReporter {
/**
* Reports unrecoverable error when parsing config file
*/
onUnRecoverableConfigFileDiagnostic: DiagnosticReporter;
}
/**
* Interface extending ParseConfigHost to support ParseConfigFile that reads config file and reports errors
*/
interface ParseConfigFileHost extends ParseConfigHost, ConfigFileDiagnosticsReporter {
getCurrentDirectory(): string;
}
interface ParsedTsconfig {
raw: any;
options?: CompilerOptions;
watchOptions?: WatchOptions;
typeAcquisition?: TypeAcquisition;
/**
* Note that the case of the config path has not yet been normalized, as no files have been imported into the project yet
*/
extendedConfigPath?: string | string[];
}
interface ExtendedConfigCacheEntry {
extendedResult: TsConfigSourceFile;
extendedConfig: ParsedTsconfig | undefined;
}
function getEffectiveTypeRoots(options: CompilerOptions, host: GetEffectiveTypeRootsHost): string[] | undefined;
/**
* @param {string | undefined} containingFile - file that contains type reference directive, can be undefined if containing file is unknown.
* This is possible in case if resolution is performed for directives specified via 'types' parameter. In this case initial path for secondary lookups
* is assumed to be the same as root directory of the project.
*/
function resolveTypeReferenceDirective(typeReferenceDirectiveName: string, containingFile: string | undefined, options: CompilerOptions, host: ModuleResolutionHost, redirectedReference?: ResolvedProjectReference, cache?: TypeReferenceDirectiveResolutionCache, resolutionMode?: ResolutionMode): ResolvedTypeReferenceDirectiveWithFailedLookupLocations;
/**
* Given a set of options, returns the set of type directive names
* that should be included for this program automatically.
* This list could either come from the config file,
* or from enumerating the types root + initial secondary types lookup location.
* More type directives might appear in the program later as a result of loading actual source files;
* this list is only the set of defaults that are implicitly included.
*/
function getAutomaticTypeDirectiveNames(options: CompilerOptions, host: ModuleResolutionHost): string[];
function createModuleResolutionCache(currentDirectory: string, getCanonicalFileName: (s: string) => string, options?: CompilerOptions): ModuleResolutionCache;
function createTypeReferenceDirectiveResolutionCache(currentDirectory: string, getCanonicalFileName: (s: string) => string, options?: CompilerOptions, packageJsonInfoCache?: PackageJsonInfoCache): TypeReferenceDirectiveResolutionCache;
function resolveModuleNameFromCache(moduleName: string, containingFile: string, cache: ModuleResolutionCache, mode?: ResolutionMode): ResolvedModuleWithFailedLookupLocations | undefined;
function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: ModuleResolutionCache, redirectedReference?: ResolvedProjectReference, resolutionMode?: ResolutionMode): ResolvedModuleWithFailedLookupLocations;
function bundlerModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: ModuleResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: ModuleResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: NonRelativeModuleNameResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
interface TypeReferenceDirectiveResolutionCache extends PerDirectoryResolutionCache<ResolvedTypeReferenceDirectiveWithFailedLookupLocations>, NonRelativeNameResolutionCache<ResolvedTypeReferenceDirectiveWithFailedLookupLocations>, PackageJsonInfoCache {
}
interface ModeAwareCache<T> {
get(key: string, mode: ResolutionMode): T | undefined;
set(key: string, mode: ResolutionMode, value: T): this;
delete(key: string, mode: ResolutionMode): this;
has(key: string, mode: ResolutionMode): boolean;
forEach(cb: (elem: T, key: string, mode: ResolutionMode) => void): void;
size(): number;
}
/**
* Cached resolutions per containing directory.
* This assumes that any module id will have the same resolution for sibling files located in the same folder.
*/
interface PerDirectoryResolutionCache<T> {
getFromDirectoryCache(name: string, mode: ResolutionMode, directoryName: string, redirectedReference: ResolvedProjectReference | undefined): T | undefined;
getOrCreateCacheForDirectory(directoryName: string, redirectedReference?: ResolvedProjectReference): ModeAwareCache<T>;
clear(): void;
/**
* Updates with the current compilerOptions the cache will operate with.
* This updates the redirects map as well if needed so module resolutions are cached if they can across the projects
*/
update(options: CompilerOptions): void;
}
interface NonRelativeNameResolutionCache<T> {
getFromNonRelativeNameCache(nonRelativeName: string, mode: ResolutionMode, directoryName: string, redirectedReference: ResolvedProjectReference | undefined): T | undefined;
getOrCreateCacheForNonRelativeName(nonRelativeName: string, mode: ResolutionMode, redirectedReference?: ResolvedProjectReference): PerNonRelativeNameCache<T>;
clear(): void;
/**
* Updates with the current compilerOptions the cache will operate with.
* This updates the redirects map as well if needed so module resolutions are cached if they can across the projects
*/
update(options: CompilerOptions): void;
}
interface PerNonRelativeNameCache<T> {
get(directory: string): T | undefined;
set(directory: string, result: T): void;
}
interface ModuleResolutionCache extends PerDirectoryResolutionCache<ResolvedModuleWithFailedLookupLocations>, NonRelativeModuleNameResolutionCache, PackageJsonInfoCache {
getPackageJsonInfoCache(): PackageJsonInfoCache;
}
/**
* Stored map from non-relative module name to a table: directory -> result of module lookup in this directory
* We support only non-relative module names because resolution of relative module names is usually more deterministic and thus less expensive.
*/
interface NonRelativeModuleNameResolutionCache extends NonRelativeNameResolutionCache<ResolvedModuleWithFailedLookupLocations>, PackageJsonInfoCache {
/** @deprecated Use getOrCreateCacheForNonRelativeName */
getOrCreateCacheForModuleName(nonRelativeModuleName: string, mode: ResolutionMode, redirectedReference?: ResolvedProjectReference): PerModuleNameCache;
}
interface PackageJsonInfoCache {
clear(): void;
}
type PerModuleNameCache = PerNonRelativeNameCache<ResolvedModuleWithFailedLookupLocations>;
/**
* Visits a Node using the supplied visitor, possibly returning a new Node in its place.
*
* - If the input node is undefined, then the output is undefined.
* - If the visitor returns undefined, then the output is undefined.
* - If the output node is not undefined, then it will satisfy the test function.
* - In order to obtain a return type that is more specific than `Node`, a test
* function _must_ be provided, and that function must be a type predicate.
*
* @param node The Node to visit.
* @param visitor The callback used to visit the Node.
* @param test A callback to execute to verify the Node is valid.
* @param lift An optional callback to execute to lift a NodeArray into a valid Node.
*/
function visitNode<TIn extends Node | undefined, TVisited extends Node | undefined, TOut extends Node>(node: TIn, visitor: Visitor<NonNullable<TIn>, TVisited>, test: (node: Node) => node is TOut, lift?: (node: readonly Node[]) => Node): TOut | (TIn & undefined) | (TVisited & undefined);
/**
* Visits a Node using the supplied visitor, possibly returning a new Node in its place.
*
* - If the input node is undefined, then the output is undefined.
* - If the visitor returns undefined, then the output is undefined.
* - If the output node is not undefined, then it will satisfy the test function.
* - In order to obtain a return type that is more specific than `Node`, a test
* function _must_ be provided, and that function must be a type predicate.
*
* @param node The Node to visit.
* @param visitor The callback used to visit the Node.
* @param test A callback to execute to verify the Node is valid.
* @param lift An optional callback to execute to lift a NodeArray into a valid Node.
*/
function visitNode<TIn extends Node | undefined, TVisited extends Node | undefined>(node: TIn, visitor: Visitor<NonNullable<TIn>, TVisited>, test?: (node: Node) => boolean, lift?: (node: readonly Node[]) => Node): Node | (TIn & undefined) | (TVisited & undefined);
/**
* Visits a NodeArray using the supplied visitor, possibly returning a new NodeArray in its place.
*
* - If the input node array is undefined, the output is undefined.
* - If the visitor can return undefined, the node it visits in the array will be reused.
* - If the output node array is not undefined, then its contents will satisfy the test.
* - In order to obtain a return type that is more specific than `NodeArray<Node>`, a test
* function _must_ be provided, and that function must be a type predicate.
*
* @param nodes The NodeArray to visit.
* @param visitor The callback used to visit a Node.
* @param test A node test to execute for each node.
* @param start An optional value indicating the starting offset at which to start visiting.
* @param count An optional value indicating the maximum number of nodes to visit.
*/
function visitNodes<TIn extends Node, TInArray extends NodeArray<TIn> | undefined, TOut extends Node>(nodes: TInArray, visitor: Visitor<TIn, Node | undefined>, test: (node: Node) => node is TOut, start?: number, count?: number): NodeArray<TOut> | (TInArray & undefined);
/**
* Visits a NodeArray using the supplied visitor, possibly returning a new NodeArray in its place.
*
* - If the input node array is undefined, the output is undefined.
* - If the visitor can return undefined, the node it visits in the array will be reused.
* - If the output node array is not undefined, then its contents will satisfy the test.
* - In order to obtain a return type that is more specific than `NodeArray<Node>`, a test
* function _must_ be provided, and that function must be a type predicate.
*
* @param nodes The NodeArray to visit.
* @param visitor The callback used to visit a Node.
* @param test A node test to execute for each node.
* @param start An optional value indicating the starting offset at which to start visiting.
* @param count An optional value indicating the maximum number of nodes to visit.
*/
function visitNodes<TIn extends Node, TInArray extends NodeArray<TIn> | undefined>(nodes: TInArray, visitor: Visitor<TIn, Node | undefined>, test?: (node: Node) => boolean, start?: number, count?: number): NodeArray<Node> | (TInArray & undefined);
/**
* Starts a new lexical environment and visits a statement list, ending the lexical environment
* and merging hoisted declarations upon completion.
*/
function visitLexicalEnvironment(statements: NodeArray<Statement>, visitor: Visitor, context: TransformationContext, start?: number, ensureUseStrict?: boolean, nodesVisitor?: NodesVisitor): NodeArray<Statement>;
/**
* Starts a new lexical environment and visits a parameter list, suspending the lexical
* environment upon completion.
*/
function visitParameterList(nodes: NodeArray<ParameterDeclaration>, visitor: Visitor, context: TransformationContext, nodesVisitor?: NodesVisitor): NodeArray<ParameterDeclaration>;
function visitParameterList(nodes: NodeArray<ParameterDeclaration> | undefined, visitor: Visitor, context: TransformationContext, nodesVisitor?: NodesVisitor): NodeArray<ParameterDeclaration> | undefined;
/**
* Resumes a suspended lexical environment and visits a function body, ending the lexical
* environment and merging hoisted declarations upon completion.
*/
function visitFunctionBody(node: FunctionBody, visitor: Visitor, context: TransformationContext): FunctionBody;
/**
* Resumes a suspended lexical environment and visits a function body, ending the lexical
* environment and merging hoisted declarations upon completion.
*/
function visitFunctionBody(node: FunctionBody | undefined, visitor: Visitor, context: TransformationContext): FunctionBody | undefined;
/**
* Resumes a suspended lexical environment and visits a concise body, ending the lexical
* environment and merging hoisted declarations upon completion.
*/
function visitFunctionBody(node: ConciseBody, visitor: Visitor, context: TransformationContext): ConciseBody;
/**
* Visits an iteration body, adding any block-scoped variables required by the transformation.
*/
function visitIterationBody(body: Statement, visitor: Visitor, context: TransformationContext): Statement;
/**
* Visits the elements of a {@link CommaListExpression}.
* @param visitor The visitor to use when visiting expressions whose result will not be discarded at runtime.
* @param discardVisitor The visitor to use when visiting expressions whose result will be discarded at runtime. Defaults to {@link visitor}.
*/
function visitCommaListElements(elements: NodeArray<Expression>, visitor: Visitor, discardVisitor?: Visitor): NodeArray<Expression>;
/**
* Visits each child of a Node using the supplied visitor, possibly returning a new Node of the same kind in its place.
*
* @param node The Node whose children will be visited.
* @param visitor The callback used to visit each child.
* @param context A lexical environment context for the visitor.
*/
function visitEachChild<T extends Node>(node: T, visitor: Visitor, context: TransformationContext): T;
/**
* Visits each child of a Node using the supplied visitor, possibly returning a new Node of the same kind in its place.
*
* @param node The Node whose children will be visited.
* @param visitor The callback used to visit each child.
* @param context A lexical environment context for the visitor.
*/
function visitEachChild<T extends Node>(node: T | undefined, visitor: Visitor, context: TransformationContext, nodesVisitor?: typeof visitNodes, tokenVisitor?: Visitor): T | undefined;
function getTsBuildInfoEmitOutputFilePath(options: CompilerOptions): string | undefined;
function getOutputFileNames(commandLine: ParsedCommandLine, inputFileName: string, ignoreCase: boolean): readonly string[];
function createPrinter(printerOptions?: PrinterOptions, handlers?: PrintHandlers): Printer;
function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string | undefined;
function resolveTripleslashReference(moduleName: string, containingFile: string): string;
function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost;
function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
function formatDiagnostics(diagnostics: readonly Diagnostic[], host: FormatDiagnosticsHost): string;
function formatDiagnostic(diagnostic: Diagnostic, host: FormatDiagnosticsHost): string;
function formatDiagnosticsWithColorAndContext(diagnostics: readonly Diagnostic[], host: FormatDiagnosticsHost): string;
function flattenDiagnosticMessageText(diag: string | DiagnosticMessageChain | undefined, newLine: string, indent?: number): string;
/**
* Calculates the resulting resolution mode for some reference in some file - this is generally the explicitly
* provided resolution mode in the reference, unless one is not present, in which case it is the mode of the containing file.
*/
function getModeForFileReference(ref: FileReference | string, containingFileMode: ResolutionMode): ts.ResolutionMode;
/**
* Calculates the final resolution mode for an import at some index within a file's imports list. This is generally the explicitly
* defined mode of the import if provided, or, if not, the mode of the containing file (with some exceptions: import=require is always commonjs, dynamic import is always esm).
* If you have an actual import node, prefer using getModeForUsageLocation on the reference string node.
* @param file File to fetch the resolution mode within
* @param index Index into the file's complete resolution list to get the resolution of - this is a concatenation of the file's imports and module augmentations
*/
function getModeForResolutionAtIndex(file: SourceFile, index: number): ResolutionMode;
/**
* Calculates the final resolution mode for a given module reference node. This is generally the explicitly provided resolution mode, if
* one exists, or the mode of the containing source file. (Excepting import=require, which is always commonjs, and dynamic import, which is always esm).
* Notably, this function always returns `undefined` if the containing file has an `undefined` `impliedNodeFormat` - this field is only set when
* `moduleResolution` is `node16`+.
* @param file The file the import or import-like reference is contained within
* @param usage The module reference string
* @returns The final resolution mode of the import
*/
function getModeForUsageLocation(file: {
impliedNodeFormat?: ResolutionMode;
}, usage: StringLiteralLike): ts.ModuleKind.CommonJS | ts.ModuleKind.ESNext | undefined;
function getConfigFileParsingDiagnostics(configFileParseResult: ParsedCommandLine): readonly Diagnostic[];
/**
* A function for determining if a given file is esm or cjs format, assuming modern node module resolution rules, as configured by the
* `options` parameter.
*
* @param fileName The normalized absolute path to check the format of (it need not exist on disk)
* @param [packageJsonInfoCache] A cache for package file lookups - it's best to have a cache when this function is called often
* @param host The ModuleResolutionHost which can perform the filesystem lookups for package json data
* @param options The compiler options to perform the analysis under - relevant options are `moduleResolution` and `traceResolution`
* @returns `undefined` if the path has no relevant implied format, `ModuleKind.ESNext` for esm format, and `ModuleKind.CommonJS` for cjs format
*/
function getImpliedNodeFormatForFile(fileName: Path, packageJsonInfoCache: PackageJsonInfoCache | undefined, host: ModuleResolutionHost, options: CompilerOptions): ResolutionMode;
/**
* Create a new 'Program' instance. A Program is an immutable collection of 'SourceFile's and a 'CompilerOptions'
* that represent a compilation unit.
*
* Creating a program proceeds from a set of root files, expanding the set of inputs by following imports and
* triple-slash-reference-path directives transitively. '@types' and triple-slash-reference-types are also pulled in.
*
* @param createProgramOptions - The options for creating a program.
* @returns A 'Program' object.
*/
function createProgram(createProgramOptions: CreateProgramOptions): Program;
/**
* Create a new 'Program' instance. A Program is an immutable collection of 'SourceFile's and a 'CompilerOptions'
* that represent a compilation unit.
*
* Creating a program proceeds from a set of root files, expanding the set of inputs by following imports and
* triple-slash-reference-path directives transitively. '@types' and triple-slash-reference-types are also pulled in.
*
* @param rootNames - A set of root files.
* @param options - The compiler options which should be used.
* @param host - The host interacts with the underlying file system.
* @param oldProgram - Reuses an old program structure.
* @param configFileParsingDiagnostics - error during config file parsing
* @returns A 'Program' object.
*/
function createProgram(rootNames: readonly string[], options: CompilerOptions, host?: CompilerHost, oldProgram?: Program, configFileParsingDiagnostics?: readonly Diagnostic[]): Program;
/**
* Returns the target config filename of a project reference.
* Note: The file might not exist.
*/
function resolveProjectReferencePath(ref: ProjectReference): ResolvedConfigFileName;
interface FormatDiagnosticsHost {
getCurrentDirectory(): string;
getCanonicalFileName(fileName: string): string;
getNewLine(): string;
}
interface EmitOutput {
outputFiles: OutputFile[];
emitSkipped: boolean;
}
interface OutputFile {
name: string;
writeByteOrderMark: boolean;
text: string;
}
/**
* Create the builder to manage semantic diagnostics and cache them
*/
function createSemanticDiagnosticsBuilderProgram(newProgram: Program, host: BuilderProgramHost, oldProgram?: SemanticDiagnosticsBuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[]): SemanticDiagnosticsBuilderProgram;
function createSemanticDiagnosticsBuilderProgram(rootNames: readonly string[] | undefined, options: CompilerOptions | undefined, host?: CompilerHost, oldProgram?: SemanticDiagnosticsBuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[], projectReferences?: readonly ProjectReference[]): SemanticDiagnosticsBuilderProgram;
/**
* Create the builder that can handle the changes in program and iterate through changed files
* to emit the those files and manage semantic diagnostics cache as well
*/
function createEmitAndSemanticDiagnosticsBuilderProgram(newProgram: Program, host: BuilderProgramHost, oldProgram?: EmitAndSemanticDiagnosticsBuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[]): EmitAndSemanticDiagnosticsBuilderProgram;
function createEmitAndSemanticDiagnosticsBuilderProgram(rootNames: readonly string[] | undefined, options: CompilerOptions | undefined, host?: CompilerHost, oldProgram?: EmitAndSemanticDiagnosticsBuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[], projectReferences?: readonly ProjectReference[]): EmitAndSemanticDiagnosticsBuilderProgram;
/**
* Creates a builder thats just abstraction over program and can be used with watch
*/
function createAbstractBuilder(newProgram: Program, host: BuilderProgramHost, oldProgram?: BuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[]): BuilderProgram;
function createAbstractBuilder(rootNames: readonly string[] | undefined, options: CompilerOptions | undefined, host?: CompilerHost, oldProgram?: BuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[], projectReferences?: readonly ProjectReference[]): BuilderProgram;
type AffectedFileResult<T> = {
result: T;
affected: SourceFile | Program;
} | undefined;
interface BuilderProgramHost {
/**
* If provided this would be used this hash instead of actual file shape text for detecting changes
*/
createHash?: (data: string) => string;
/**
* When emit or emitNextAffectedFile are called without writeFile,
* this callback if present would be used to write files
*/
writeFile?: WriteFileCallback;
}
/**
* Builder to manage the program state changes
*/
interface BuilderProgram {
/**
* Returns current program
*/
getProgram(): Program;
/**
* Get compiler options of the program
*/
getCompilerOptions(): CompilerOptions;
/**
* Get the source file in the program with file name
*/
getSourceFile(fileName: string): SourceFile | undefined;
/**
* Get a list of files in the program
*/
getSourceFiles(): readonly SourceFile[];
/**
* Get the diagnostics for compiler options
*/
getOptionsDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
/**
* Get the diagnostics that dont belong to any file
*/
getGlobalDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
/**
* Get the diagnostics from config file parsing
*/
getConfigFileParsingDiagnostics(): readonly Diagnostic[];
/**
* Get the syntax diagnostics, for all source files if source file is not supplied
*/
getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
/**
* Get the declaration diagnostics, for all source files if source file is not supplied
*/
getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly DiagnosticWithLocation[];
/**
* Get all the dependencies of the file
*/
getAllDependencies(sourceFile: SourceFile): readonly string[];
/**
* Gets the semantic diagnostics from the program corresponding to this state of file (if provided) or whole program
* The semantic diagnostics are cached and managed here
* Note that it is assumed that when asked about semantic diagnostics through this API,
* the file has been taken out of affected files so it is safe to use cache or get from program and cache the diagnostics
* In case of SemanticDiagnosticsBuilderProgram if the source file is not provided,
* it will iterate through all the affected files, to ensure that cache stays valid and yet provide a way to get all semantic diagnostics
*/
getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
/**
* Emits the JavaScript and declaration files.
* When targetSource file is specified, emits the files corresponding to that source file,
* otherwise for the whole program.
* In case of EmitAndSemanticDiagnosticsBuilderProgram, when targetSourceFile is specified,
* it is assumed that that file is handled from affected file list. If targetSourceFile is not specified,
* it will only emit all the affected files instead of whole program
*
* The first of writeFile if provided, writeFile of BuilderProgramHost if provided, writeFile of compiler host
* in that order would be used to write the files
*/
emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean, customTransformers?: CustomTransformers): EmitResult;
/**
* Get the current directory of the program
*/
getCurrentDirectory(): string;
}
/**
* The builder that caches the semantic diagnostics for the program and handles the changed files and affected files
*/
interface SemanticDiagnosticsBuilderProgram extends BuilderProgram {
/**
* Gets the semantic diagnostics from the program for the next affected file and caches it
* Returns undefined if the iteration is complete
*/
getSemanticDiagnosticsOfNextAffectedFile(cancellationToken?: CancellationToken, ignoreSourceFile?: (sourceFile: SourceFile) => boolean): AffectedFileResult<readonly Diagnostic[]>;
}
/**
* The builder that can handle the changes in program and iterate through changed file to emit the files
* The semantic diagnostics are cached per file and managed by clearing for the changed/affected files
*/
interface EmitAndSemanticDiagnosticsBuilderProgram extends SemanticDiagnosticsBuilderProgram {
/**
* Emits the next affected file's emit result (EmitResult and sourceFiles emitted) or returns undefined if iteration is complete
* The first of writeFile if provided, writeFile of BuilderProgramHost if provided, writeFile of compiler host
* in that order would be used to write the files
*/
emitNextAffectedFile(writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean, customTransformers?: CustomTransformers): AffectedFileResult<EmitResult>;
}
function readBuilderProgram(compilerOptions: CompilerOptions, host: ReadBuildProgramHost): ts.EmitAndSemanticDiagnosticsBuilderProgram | undefined;
function createIncrementalCompilerHost(options: CompilerOptions, system?: ts.System): CompilerHost;
function createIncrementalProgram<T extends BuilderProgram = EmitAndSemanticDiagnosticsBuilderProgram>({ rootNames, options, configFileParsingDiagnostics, projectReferences, host, createProgram }: IncrementalProgramOptions<T>): T;
/**
* Create the watch compiler host for either configFile or fileNames and its options
*/
function createWatchCompilerHost<T extends BuilderProgram>(configFileName: string, optionsToExtend: CompilerOptions | undefined, system: System, createProgram?: CreateProgram<T>, reportDiagnostic?: DiagnosticReporter, reportWatchStatus?: WatchStatusReporter, watchOptionsToExtend?: WatchOptions, extraFileExtensions?: readonly FileExtensionInfo[]): WatchCompilerHostOfConfigFile<T>;
function createWatchCompilerHost<T extends BuilderProgram>(rootFiles: string[], options: CompilerOptions, system: System, createProgram?: CreateProgram<T>, reportDiagnostic?: DiagnosticReporter, reportWatchStatus?: WatchStatusReporter, projectReferences?: readonly ProjectReference[], watchOptions?: WatchOptions): WatchCompilerHostOfFilesAndCompilerOptions<T>;
/**
* Creates the watch from the host for root files and compiler options
*/
function createWatchProgram<T extends BuilderProgram>(host: WatchCompilerHostOfFilesAndCompilerOptions<T>): WatchOfFilesAndCompilerOptions<T>;
/**
* Creates the watch from the host for config file
*/
function createWatchProgram<T extends BuilderProgram>(host: WatchCompilerHostOfConfigFile<T>): WatchOfConfigFile<T>;
interface ReadBuildProgramHost {
useCaseSensitiveFileNames(): boolean;
getCurrentDirectory(): string;
readFile(fileName: string): string | undefined;
}
interface IncrementalProgramOptions<T extends BuilderProgram> {
rootNames: readonly string[];
options: CompilerOptions;
configFileParsingDiagnostics?: readonly Diagnostic[];
projectReferences?: readonly ProjectReference[];
host?: CompilerHost;
createProgram?: CreateProgram<T>;
}
type WatchStatusReporter = (diagnostic: Diagnostic, newLine: string, options: CompilerOptions, errorCount?: number) => void;
/** Create the program with rootNames and options, if they are undefined, oldProgram and new configFile diagnostics create new program */
type CreateProgram<T extends BuilderProgram> = (rootNames: readonly string[] | undefined, options: CompilerOptions | undefined, host?: CompilerHost, oldProgram?: T, configFileParsingDiagnostics?: readonly Diagnostic[], projectReferences?: readonly ProjectReference[] | undefined) => T;
/** Host that has watch functionality used in --watch mode */
interface WatchHost {
/** If provided, called with Diagnostic message that informs about change in watch status */
onWatchStatusChange?(diagnostic: Diagnostic, newLine: string, options: CompilerOptions, errorCount?: number): void;
/** Used to watch changes in source files, missing files needed to update the program or config file */
watchFile(path: string, callback: FileWatcherCallback, pollingInterval?: number, options?: WatchOptions): FileWatcher;
/** Used to watch resolved module's failed lookup locations, config file specs, type roots where auto type reference directives are added */
watchDirectory(path: string, callback: DirectoryWatcherCallback, recursive?: boolean, options?: WatchOptions): FileWatcher;
/** If provided, will be used to set delayed compilation, so that multiple changes in short span are compiled together */
setTimeout?(callback: (...args: any[]) => void, ms: number, ...args: any[]): any;
/** If provided, will be used to reset existing delayed compilation */
clearTimeout?(timeoutId: any): void;
}
interface ProgramHost<T extends BuilderProgram> {
/**
* Used to create the program when need for program creation or recreation detected
*/
createProgram: CreateProgram<T>;
useCaseSensitiveFileNames(): boolean;
getNewLine(): string;
getCurrentDirectory(): string;
getDefaultLibFileName(options: CompilerOptions): string;
getDefaultLibLocation?(): string;
createHash?(data: string): string;
/**
* Use to check file presence for source files and
* if resolveModuleNames is not provided (complier is in charge of module resolution) then module files as well
*/
fileExists(path: string): boolean;
/**
* Use to read file text for source files and
* if resolveModuleNames is not provided (complier is in charge of module resolution) then module files as well
*/
readFile(path: string, encoding?: string): string | undefined;
/** If provided, used for module resolution as well as to handle directory structure */
directoryExists?(path: string): boolean;
/** If provided, used in resolutions as well as handling directory structure */
getDirectories?(path: string): string[];
/** If provided, used to cache and handle directory structure modifications */
readDirectory?(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[];
/** Symbol links resolution */
realpath?(path: string): string;
/** If provided would be used to write log about compilation */
trace?(s: string): void;
/** If provided is used to get the environment variable */
getEnvironmentVariable?(name: string): string | undefined;
/**
* @deprecated supply resolveModuleNameLiterals instead for resolution that can handle newer resolution modes like nodenext
*
* If provided, used to resolve the module names, otherwise typescript's default module resolution
*/
resolveModuleNames?(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingSourceFile?: SourceFile): (ResolvedModule | undefined)[];
/**
* @deprecated supply resolveTypeReferenceDirectiveReferences instead for resolution that can handle newer resolution modes like nodenext
*
* If provided, used to resolve type reference directives, otherwise typescript's default resolution
*/
resolveTypeReferenceDirectives?(typeReferenceDirectiveNames: string[] | readonly FileReference[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingFileMode?: ResolutionMode): (ResolvedTypeReferenceDirective | undefined)[];
resolveModuleNameLiterals?(moduleLiterals: readonly StringLiteralLike[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingSourceFile: SourceFile, reusedNames: readonly StringLiteralLike[] | undefined): readonly ResolvedModuleWithFailedLookupLocations[];
resolveTypeReferenceDirectiveReferences?<T extends FileReference | string>(typeDirectiveReferences: readonly T[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingSourceFile: SourceFile | undefined, reusedNames: readonly T[] | undefined): readonly ResolvedTypeReferenceDirectiveWithFailedLookupLocations[];
/** If provided along with custom resolveModuleNames or resolveTypeReferenceDirectives, used to determine if unchanged file path needs to re-resolve modules/type reference directives */
hasInvalidatedResolutions?(filePath: Path): boolean;
/**
* Returns the module resolution cache used by a provided `resolveModuleNames` implementation so that any non-name module resolution operations (eg, package.json lookup) can reuse it
*/
getModuleResolutionCache?(): ModuleResolutionCache | undefined;
}
interface WatchCompilerHost<T extends BuilderProgram> extends ProgramHost<T>, WatchHost {
/** Instead of using output d.ts file from project reference, use its source file */
useSourceOfProjectReferenceRedirect?(): boolean;
/** If provided, use this method to get parsed command lines for referenced projects */
getParsedCommandLine?(fileName: string): ParsedCommandLine | undefined;
/** If provided, callback to invoke after every new program creation */
afterProgramCreate?(program: T): void;
}
/**
* Host to create watch with root files and options
*/
interface WatchCompilerHostOfFilesAndCompilerOptions<T extends BuilderProgram> extends WatchCompilerHost<T> {
/** root files to use to generate program */
rootFiles: string[];
/** Compiler options */
options: CompilerOptions;
watchOptions?: WatchOptions;
/** Project References */
projectReferences?: readonly ProjectReference[];
}
/**
* Host to create watch with config file
*/
interface WatchCompilerHostOfConfigFile<T extends BuilderProgram> extends WatchCompilerHost<T>, ConfigFileDiagnosticsReporter {
/** Name of the config file to compile */
configFileName: string;
/** Options to extend */
optionsToExtend?: CompilerOptions;
watchOptionsToExtend?: WatchOptions;
extraFileExtensions?: readonly FileExtensionInfo[];
/**
* Used to generate source file names from the config file and its include, exclude, files rules
* and also to cache the directory stucture
*/
readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[];
}
interface Watch<T> {
/** Synchronize with host and get updated program */
getProgram(): T;
/** Closes the watch */
close(): void;
}
/**
* Creates the watch what generates program using the config file
*/
interface WatchOfConfigFile<T> extends Watch<T> {
}
/**
* Creates the watch that generates program using the root files and compiler options
*/
interface WatchOfFilesAndCompilerOptions<T> extends Watch<T> {
/** Updates the root files in the program, only if this is not config file compilation */
updateRootFileNames(fileNames: string[]): void;
}
/**
* Create a function that reports watch status by writing to the system and handles the formating of the diagnostic
*/
function createBuilderStatusReporter(system: System, pretty?: boolean): DiagnosticReporter;
function createSolutionBuilderHost<T extends BuilderProgram = EmitAndSemanticDiagnosticsBuilderProgram>(system?: ts.System, createProgram?: CreateProgram<T>, reportDiagnostic?: DiagnosticReporter, reportSolutionBuilderStatus?: DiagnosticReporter, reportErrorSummary?: ReportEmitErrorSummary): ts.SolutionBuilderHost<T>;
function createSolutionBuilderWithWatchHost<T extends BuilderProgram = EmitAndSemanticDiagnosticsBuilderProgram>(system?: ts.System, createProgram?: CreateProgram<T>, reportDiagnostic?: DiagnosticReporter, reportSolutionBuilderStatus?: DiagnosticReporter, reportWatchStatus?: WatchStatusReporter): ts.SolutionBuilderWithWatchHost<T>;
function createSolutionBuilder<T extends BuilderProgram>(host: SolutionBuilderHost<T>, rootNames: readonly string[], defaultOptions: BuildOptions): SolutionBuilder<T>;
function createSolutionBuilderWithWatch<T extends BuilderProgram>(host: SolutionBuilderWithWatchHost<T>, rootNames: readonly string[], defaultOptions: BuildOptions, baseWatchOptions?: WatchOptions): SolutionBuilder<T>;
interface BuildOptions {
dry?: boolean;
force?: boolean;
verbose?: boolean;
incremental?: boolean;
assumeChangesOnlyAffectDirectDependencies?: boolean;
declaration?: boolean;
declarationMap?: boolean;
emitDeclarationOnly?: boolean;
sourceMap?: boolean;
inlineSourceMap?: boolean;
traceResolution?: boolean;
[option: string]: CompilerOptionsValue | undefined;
}
type ReportEmitErrorSummary = (errorCount: number, filesInError: (ReportFileInError | undefined)[]) => void;
interface ReportFileInError {
fileName: string;
line: number;
}
interface SolutionBuilderHostBase<T extends BuilderProgram> extends ProgramHost<T> {
createDirectory?(path: string): void;
/**
* Should provide create directory and writeFile if done of invalidatedProjects is not invoked with
* writeFileCallback
*/
writeFile?(path: string, data: string, writeByteOrderMark?: boolean): void;
getCustomTransformers?: (project: string) => CustomTransformers | undefined;
getModifiedTime(fileName: string): Date | undefined;
setModifiedTime(fileName: string, date: Date): void;
deleteFile(fileName: string): void;
getParsedCommandLine?(fileName: string): ParsedCommandLine | undefined;
reportDiagnostic: DiagnosticReporter;
reportSolutionBuilderStatus: DiagnosticReporter;
afterProgramEmitAndDiagnostics?(program: T): void;
}
interface SolutionBuilderHost<T extends BuilderProgram> extends SolutionBuilderHostBase<T> {
reportErrorSummary?: ReportEmitErrorSummary;
}
interface SolutionBuilderWithWatchHost<T extends BuilderProgram> extends SolutionBuilderHostBase<T>, WatchHost {
}
interface SolutionBuilder<T extends BuilderProgram> {
build(project?: string, cancellationToken?: CancellationToken, writeFile?: WriteFileCallback, getCustomTransformers?: (project: string) => CustomTransformers): ExitStatus;
clean(project?: string): ExitStatus;
buildReferences(project: string, cancellationToken?: CancellationToken, writeFile?: WriteFileCallback, getCustomTransformers?: (project: string) => CustomTransformers): ExitStatus;
cleanReferences(project?: string): ExitStatus;
getNextInvalidatedProject(cancellationToken?: CancellationToken): InvalidatedProject<T> | undefined;
}
enum InvalidatedProjectKind {
Build = 0,
/** @deprecated */ UpdateBundle = 1,
UpdateOutputFileStamps = 2
}
interface InvalidatedProjectBase {
readonly kind: InvalidatedProjectKind;
readonly project: ResolvedConfigFileName;
/**
* To dispose this project and ensure that all the necessary actions are taken and state is updated accordingly
*/
done(cancellationToken?: CancellationToken, writeFile?: WriteFileCallback, customTransformers?: CustomTransformers): ExitStatus;
getCompilerOptions(): CompilerOptions;
getCurrentDirectory(): string;
}
interface UpdateOutputFileStampsProject extends InvalidatedProjectBase {
readonly kind: InvalidatedProjectKind.UpdateOutputFileStamps;
updateOutputFileStatmps(): void;
}
interface BuildInvalidedProject<T extends BuilderProgram> extends InvalidatedProjectBase {
readonly kind: InvalidatedProjectKind.Build;
getBuilderProgram(): T | undefined;
getProgram(): Program | undefined;
getSourceFile(fileName: string): SourceFile | undefined;
getSourceFiles(): readonly SourceFile[];
getOptionsDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
getGlobalDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
getConfigFileParsingDiagnostics(): readonly Diagnostic[];
getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
getAllDependencies(sourceFile: SourceFile): readonly string[];
getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
getSemanticDiagnosticsOfNextAffectedFile(cancellationToken?: CancellationToken, ignoreSourceFile?: (sourceFile: SourceFile) => boolean): AffectedFileResult<readonly Diagnostic[]>;
emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean, customTransformers?: CustomTransformers): EmitResult | undefined;
}
/** @deprecated */
interface UpdateBundleProject<T extends BuilderProgram> extends InvalidatedProjectBase {
readonly kind: InvalidatedProjectKind.UpdateBundle;
emit(writeFile?: WriteFileCallback, customTransformers?: CustomTransformers): EmitResult | BuildInvalidedProject<T> | undefined;
}
type InvalidatedProject<T extends BuilderProgram> = UpdateOutputFileStampsProject | BuildInvalidedProject<T> | UpdateBundleProject<T>;
namespace server {
type ActionSet = "action::set";
type ActionInvalidate = "action::invalidate";
type ActionPackageInstalled = "action::packageInstalled";
type EventTypesRegistry = "event::typesRegistry";
type EventBeginInstallTypes = "event::beginInstallTypes";
type EventEndInstallTypes = "event::endInstallTypes";
type EventInitializationFailed = "event::initializationFailed";
interface TypingInstallerResponse {
readonly kind: ActionSet | ActionInvalidate | EventTypesRegistry | ActionPackageInstalled | EventBeginInstallTypes | EventEndInstallTypes | EventInitializationFailed;
}
interface TypingInstallerRequestWithProjectName {
readonly projectName: string;
}
interface DiscoverTypings extends TypingInstallerRequestWithProjectName {
readonly fileNames: string[];
readonly projectRootPath: Path;
readonly compilerOptions: CompilerOptions;
readonly watchOptions?: WatchOptions;
readonly typeAcquisition: TypeAcquisition;
readonly unresolvedImports: SortedReadonlyArray<string>;
readonly cachePath?: string;
readonly kind: "discover";
}
interface CloseProject extends TypingInstallerRequestWithProjectName {
readonly kind: "closeProject";
}
interface TypesRegistryRequest {
readonly kind: "typesRegistry";
}
interface InstallPackageRequest extends TypingInstallerRequestWithProjectName {
readonly kind: "installPackage";
readonly fileName: Path;
readonly packageName: string;
readonly projectRootPath: Path;
}
interface PackageInstalledResponse extends ProjectResponse {
readonly kind: ActionPackageInstalled;
readonly success: boolean;
readonly message: string;
}
interface InitializationFailedResponse extends TypingInstallerResponse {
readonly kind: EventInitializationFailed;
readonly message: string;
readonly stack?: string;
}
interface ProjectResponse extends TypingInstallerResponse {
readonly projectName: string;
}
interface InvalidateCachedTypings extends ProjectResponse {
readonly kind: ActionInvalidate;
}
interface InstallTypes extends ProjectResponse {
readonly kind: EventBeginInstallTypes | EventEndInstallTypes;
readonly eventId: number;
readonly typingsInstallerVersion: string;
readonly packagesToInstall: readonly string[];
}
interface BeginInstallTypes extends InstallTypes {
readonly kind: EventBeginInstallTypes;
}
interface EndInstallTypes extends InstallTypes {
readonly kind: EventEndInstallTypes;
readonly installSuccess: boolean;
}
interface SetTypings extends ProjectResponse {
readonly typeAcquisition: TypeAcquisition;
readonly compilerOptions: CompilerOptions;
readonly typings: string[];
readonly unresolvedImports: SortedReadonlyArray<string>;
readonly kind: ActionSet;
}
}
function getDefaultFormatCodeSettings(newLineCharacter?: string): FormatCodeSettings;
/**
* Represents an immutable snapshot of a script at a specified time.Once acquired, the
* snapshot is observably immutable. i.e. the same calls with the same parameters will return
* the same values.
*/
interface IScriptSnapshot {
/** Gets a portion of the script snapshot specified by [start, end). */
getText(start: number, end: number): string;
/** Gets the length of this script snapshot. */
getLength(): number;
/**
* Gets the TextChangeRange that describe how the text changed between this text and
* an older version. This information is used by the incremental parser to determine
* what sections of the script need to be re-parsed. 'undefined' can be returned if the
* change range cannot be determined. However, in that case, incremental parsing will
* not happen and the entire document will be re - parsed.
*/
getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange | undefined;
/** Releases all resources held by this script snapshot */
dispose?(): void;
}
namespace ScriptSnapshot {
function fromString(text: string): IScriptSnapshot;
}
interface PreProcessedFileInfo {
referencedFiles: FileReference[];
typeReferenceDirectives: FileReference[];
libReferenceDirectives: FileReference[];
importedFiles: FileReference[];
ambientExternalModules?: string[];
isLibFile: boolean;
}
interface HostCancellationToken {
isCancellationRequested(): boolean;
}
interface InstallPackageOptions {
fileName: Path;
packageName: string;
}
interface PerformanceEvent {
kind: "UpdateGraph" | "CreatePackageJsonAutoImportProvider";
durationMs: number;
}
enum LanguageServiceMode {
Semantic = 0,
PartialSemantic = 1,
Syntactic = 2
}
interface IncompleteCompletionsCache {
get(): CompletionInfo | undefined;
set(response: CompletionInfo): void;
clear(): void;
}
interface LanguageServiceHost extends GetEffectiveTypeRootsHost, MinimalResolutionCacheHost {
getCompilationSettings(): CompilerOptions;
getNewLine?(): string;
getProjectVersion?(): string;
getScriptFileNames(): string[];
getScriptKind?(fileName: string): ScriptKind;
getScriptVersion(fileName: string): string;
getScriptSnapshot(fileName: string): IScriptSnapshot | undefined;
getProjectReferences?(): readonly ProjectReference[] | undefined;
getLocalizedDiagnosticMessages?(): any;
getCancellationToken?(): HostCancellationToken;
getCurrentDirectory(): string;
getDefaultLibFileName(options: CompilerOptions): string;
log?(s: string): void;
trace?(s: string): void;
error?(s: string): void;
useCaseSensitiveFileNames?(): boolean;
readDirectory?(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[];
realpath?(path: string): string;
readFile(path: string, encoding?: string): string | undefined;
fileExists(path: string): boolean;
getTypeRootsVersion?(): number;
/** @deprecated supply resolveModuleNameLiterals instead for resolution that can handle newer resolution modes like nodenext */
resolveModuleNames?(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingSourceFile?: SourceFile): (ResolvedModule | undefined)[];
getResolvedModuleWithFailedLookupLocationsFromCache?(modulename: string, containingFile: string, resolutionMode?: ResolutionMode): ResolvedModuleWithFailedLookupLocations | undefined;
/** @deprecated supply resolveTypeReferenceDirectiveReferences instead for resolution that can handle newer resolution modes like nodenext */
resolveTypeReferenceDirectives?(typeDirectiveNames: string[] | FileReference[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingFileMode?: ResolutionMode): (ResolvedTypeReferenceDirective | undefined)[];
resolveModuleNameLiterals?(moduleLiterals: readonly StringLiteralLike[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingSourceFile: SourceFile, reusedNames: readonly StringLiteralLike[] | undefined): readonly ResolvedModuleWithFailedLookupLocations[];
resolveTypeReferenceDirectiveReferences?<T extends FileReference | string>(typeDirectiveReferences: readonly T[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions, containingSourceFile: SourceFile | undefined, reusedNames: readonly T[] | undefined): readonly ResolvedTypeReferenceDirectiveWithFailedLookupLocations[];
getDirectories?(directoryName: string): string[];
/**
* Gets a set of custom transformers to use during emit.
*/
getCustomTransformers?(): CustomTransformers | undefined;
isKnownTypesPackageName?(name: string): boolean;
installPackage?(options: InstallPackageOptions): Promise<ApplyCodeActionCommandResult>;
writeFile?(fileName: string, content: string): void;
getParsedCommandLine?(fileName: string): ParsedCommandLine | undefined;
}
type WithMetadata<T> = T & {
metadata?: unknown;
};
enum SemanticClassificationFormat {
Original = "original",
TwentyTwenty = "2020"
}
interface LanguageService {
/** This is used as a part of restarting the language service. */
cleanupSemanticCache(): void;
/**
* Gets errors indicating invalid syntax in a file.
*
* In English, "this cdeo have, erorrs" is syntactically invalid because it has typos,
* grammatical errors, and misplaced punctuation. Likewise, examples of syntax
* errors in TypeScript are missing parentheses in an `if` statement, mismatched
* curly braces, and using a reserved keyword as a variable name.
*
* These diagnostics are inexpensive to compute and don't require knowledge of
* other files. Note that a non-empty result increases the likelihood of false positives
* from `getSemanticDiagnostics`.
*
* While these represent the majority of syntax-related diagnostics, there are some
* that require the type system, which will be present in `getSemanticDiagnostics`.
*
* @param fileName A path to the file you want syntactic diagnostics for
*/
getSyntacticDiagnostics(fileName: string): DiagnosticWithLocation[];
/**
* Gets warnings or errors indicating type system issues in a given file.
* Requesting semantic diagnostics may start up the type system and
* run deferred work, so the first call may take longer than subsequent calls.
*
* Unlike the other get*Diagnostics functions, these diagnostics can potentially not
* include a reference to a source file. Specifically, the first time this is called,
* it will return global diagnostics with no associated location.
*
* To contrast the differences between semantic and syntactic diagnostics, consider the
* sentence: "The sun is green." is syntactically correct; those are real English words with
* correct sentence structure. However, it is semantically invalid, because it is not true.
*
* @param fileName A path to the file you want semantic diagnostics for
*/
getSemanticDiagnostics(fileName: string): Diagnostic[];
/**
* Gets suggestion diagnostics for a specific file. These diagnostics tend to
* proactively suggest refactors, as opposed to diagnostics that indicate
* potentially incorrect runtime behavior.
*
* @param fileName A path to the file you want semantic diagnostics for
*/
getSuggestionDiagnostics(fileName: string): DiagnosticWithLocation[];
/**
* Gets global diagnostics related to the program configuration and compiler options.
*/
getCompilerOptionsDiagnostics(): Diagnostic[];
/** @deprecated Use getEncodedSyntacticClassifications instead. */
getSyntacticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[];
getSyntacticClassifications(fileName: string, span: TextSpan, format: SemanticClassificationFormat): ClassifiedSpan[] | ClassifiedSpan2020[];
/** @deprecated Use getEncodedSemanticClassifications instead. */
getSemanticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[];
getSemanticClassifications(fileName: string, span: TextSpan, format: SemanticClassificationFormat): ClassifiedSpan[] | ClassifiedSpan2020[];
/** Encoded as triples of [start, length, ClassificationType]. */
getEncodedSyntacticClassifications(fileName: string, span: TextSpan): Classifications;
/**
* Gets semantic highlights information for a particular file. Has two formats, an older
* version used by VS and a format used by VS Code.
*
* @param fileName The path to the file
* @param position A text span to return results within
* @param format Which format to use, defaults to "original"
* @returns a number array encoded as triples of [start, length, ClassificationType, ...].
*/
getEncodedSemanticClassifications(fileName: string, span: TextSpan, format?: SemanticClassificationFormat): Classifications;
/**
* Gets completion entries at a particular position in a file.
*
* @param fileName The path to the file
* @param position A zero-based index of the character where you want the entries
* @param options An object describing how the request was triggered and what kinds
* of code actions can be returned with the completions.
* @param formattingSettings settings needed for calling formatting functions.
*/
getCompletionsAtPosition(fileName: string, position: number, options: GetCompletionsAtPositionOptions | undefined, formattingSettings?: FormatCodeSettings): WithMetadata<CompletionInfo> | undefined;
/**
* Gets the extended details for a completion entry retrieved from `getCompletionsAtPosition`.
*
* @param fileName The path to the file
* @param position A zero based index of the character where you want the entries
* @param entryName The `name` from an existing completion which came from `getCompletionsAtPosition`
* @param formatOptions How should code samples in the completions be formatted, can be undefined for backwards compatibility
* @param source `source` property from the completion entry
* @param preferences User settings, can be undefined for backwards compatibility
* @param data `data` property from the completion entry
*/
getCompletionEntryDetails(fileName: string, position: number, entryName: string, formatOptions: FormatCodeOptions | FormatCodeSettings | undefined, source: string | undefined, preferences: UserPreferences | undefined, data: CompletionEntryData | undefined): CompletionEntryDetails | undefined;
getCompletionEntrySymbol(fileName: string, position: number, name: string, source: string | undefined): Symbol | undefined;
/**
* Gets semantic information about the identifier at a particular position in a
* file. Quick info is what you typically see when you hover in an editor.
*
* @param fileName The path to the file
* @param position A zero-based index of the character where you want the quick info
*/
getQuickInfoAtPosition(fileName: string, position: number): QuickInfo | undefined;
getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): TextSpan | undefined;
getBreakpointStatementAtPosition(fileName: string, position: number): TextSpan | undefined;
getSignatureHelpItems(fileName: string, position: number, options: SignatureHelpItemsOptions | undefined): SignatureHelpItems | undefined;
getRenameInfo(fileName: string, position: number, preferences: UserPreferences): RenameInfo;
/** @deprecated Use the signature with `UserPreferences` instead. */
getRenameInfo(fileName: string, position: number, options?: RenameInfoOptions): RenameInfo;
findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean, providePrefixAndSuffixTextForRename?: boolean): readonly RenameLocation[] | undefined;
getSmartSelectionRange(fileName: string, position: number): SelectionRange;
getDefinitionAtPosition(fileName: string, position: number): readonly DefinitionInfo[] | undefined;
getDefinitionAndBoundSpan(fileName: string, position: number): DefinitionInfoAndBoundSpan | undefined;
getTypeDefinitionAtPosition(fileName: string, position: number): readonly DefinitionInfo[] | undefined;
getImplementationAtPosition(fileName: string, position: number): readonly ImplementationLocation[] | undefined;
getReferencesAtPosition(fileName: string, position: number): ReferenceEntry[] | undefined;
findReferences(fileName: string, position: number): ReferencedSymbol[] | undefined;
getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): DocumentHighlights[] | undefined;
getFileReferences(fileName: string): ReferenceEntry[];
/** @deprecated */
getOccurrencesAtPosition(fileName: string, position: number): readonly ReferenceEntry[] | undefined;
getNavigateToItems(searchValue: string, maxResultCount?: number, fileName?: string, excludeDtsFiles?: boolean): NavigateToItem[];
getNavigationBarItems(fileName: string): NavigationBarItem[];
getNavigationTree(fileName: string): NavigationTree;
prepareCallHierarchy(fileName: string, position: number): CallHierarchyItem | CallHierarchyItem[] | undefined;
provideCallHierarchyIncomingCalls(fileName: string, position: number): CallHierarchyIncomingCall[];
provideCallHierarchyOutgoingCalls(fileName: string, position: number): CallHierarchyOutgoingCall[];
provideInlayHints(fileName: string, span: TextSpan, preferences: UserPreferences | undefined): InlayHint[];
getOutliningSpans(fileName: string): OutliningSpan[];
getTodoComments(fileName: string, descriptors: TodoCommentDescriptor[]): TodoComment[];
getBraceMatchingAtPosition(fileName: string, position: number): TextSpan[];
getIndentationAtPosition(fileName: string, position: number, options: EditorOptions | EditorSettings): number;
getFormattingEditsForRange(fileName: string, start: number, end: number, options: FormatCodeOptions | FormatCodeSettings): TextChange[];
getFormattingEditsForDocument(fileName: string, options: FormatCodeOptions | FormatCodeSettings): TextChange[];
getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: FormatCodeOptions | FormatCodeSettings): TextChange[];
getDocCommentTemplateAtPosition(fileName: string, position: number, options?: DocCommentTemplateOptions, formatOptions?: FormatCodeSettings): TextInsertion | undefined;
isValidBraceCompletionAtPosition(fileName: string, position: number, openingBrace: number): boolean;
/**
* This will return a defined result if the position is after the `>` of the opening tag, or somewhere in the text, of a JSXElement with no closing tag.
* Editors should call this after `>` is typed.
*/
getJsxClosingTagAtPosition(fileName: string, position: number): JsxClosingTagInfo | undefined;
getSpanOfEnclosingComment(fileName: string, position: number, onlyMultiLine: boolean): TextSpan | undefined;
toLineColumnOffset?(fileName: string, position: number): LineAndCharacter;
getCodeFixesAtPosition(fileName: string, start: number, end: number, errorCodes: readonly number[], formatOptions: FormatCodeSettings, preferences: UserPreferences): readonly CodeFixAction[];
getCombinedCodeFix(scope: CombinedCodeFixScope, fixId: {}, formatOptions: FormatCodeSettings, preferences: UserPreferences): CombinedCodeActions;
applyCodeActionCommand(action: CodeActionCommand, formatSettings?: FormatCodeSettings): Promise<ApplyCodeActionCommandResult>;
applyCodeActionCommand(action: CodeActionCommand[], formatSettings?: FormatCodeSettings): Promise<ApplyCodeActionCommandResult[]>;
applyCodeActionCommand(action: CodeActionCommand | CodeActionCommand[], formatSettings?: FormatCodeSettings): Promise<ApplyCodeActionCommandResult | ApplyCodeActionCommandResult[]>;
/** @deprecated `fileName` will be ignored */
applyCodeActionCommand(fileName: string, action: CodeActionCommand): Promise<ApplyCodeActionCommandResult>;
/** @deprecated `fileName` will be ignored */
applyCodeActionCommand(fileName: string, action: CodeActionCommand[]): Promise<ApplyCodeActionCommandResult[]>;
/** @deprecated `fileName` will be ignored */
applyCodeActionCommand(fileName: string, action: CodeActionCommand | CodeActionCommand[]): Promise<ApplyCodeActionCommandResult | ApplyCodeActionCommandResult[]>;
getApplicableRefactors(fileName: string, positionOrRange: number | TextRange, preferences: UserPreferences | undefined, triggerReason?: RefactorTriggerReason, kind?: string): ApplicableRefactorInfo[];
getEditsForRefactor(fileName: string, formatOptions: FormatCodeSettings, positionOrRange: number | TextRange, refactorName: string, actionName: string, preferences: UserPreferences | undefined): RefactorEditInfo | undefined;
organizeImports(args: OrganizeImportsArgs, formatOptions: FormatCodeSettings, preferences: UserPreferences | undefined): readonly FileTextChanges[];
getEditsForFileRename(oldFilePath: string, newFilePath: string, formatOptions: FormatCodeSettings, preferences: UserPreferences | undefined): readonly FileTextChanges[];
getEmitOutput(fileName: string, emitOnlyDtsFiles?: boolean, forceDtsEmit?: boolean): EmitOutput;
getProgram(): Program | undefined;
toggleLineComment(fileName: string, textRange: TextRange): TextChange[];
toggleMultilineComment(fileName: string, textRange: TextRange): TextChange[];
commentSelection(fileName: string, textRange: TextRange): TextChange[];
uncommentSelection(fileName: string, textRange: TextRange): TextChange[];
getSupportedCodeFixes(fileName?: string): readonly string[];
dispose(): void;
}
interface JsxClosingTagInfo {
readonly newText: string;
}
interface CombinedCodeFixScope {
type: "file";
fileName: string;
}
enum OrganizeImportsMode {
All = "All",
SortAndCombine = "SortAndCombine",
RemoveUnused = "RemoveUnused"
}
interface OrganizeImportsArgs extends CombinedCodeFixScope {
/** @deprecated Use `mode` instead */
skipDestructiveCodeActions?: boolean;
mode?: OrganizeImportsMode;
}
type CompletionsTriggerCharacter = "." | '"' | "'" | "`" | "/" | "@" | "<" | "#" | " ";
enum CompletionTriggerKind {
/** Completion was triggered by typing an identifier, manual invocation (e.g Ctrl+Space) or via API. */
Invoked = 1,
/** Completion was triggered by a trigger character. */
TriggerCharacter = 2,
/** Completion was re-triggered as the current completion list is incomplete. */
TriggerForIncompleteCompletions = 3
}
interface GetCompletionsAtPositionOptions extends UserPreferences {
/**
* If the editor is asking for completions because a certain character was typed
* (as opposed to when the user explicitly requested them) this should be set.
*/
triggerCharacter?: CompletionsTriggerCharacter;
triggerKind?: CompletionTriggerKind;
/**
* Include a `symbol` property on each completion entry object.
* Symbols reference cyclic data structures and sometimes an entire TypeChecker instance,
* so use caution when serializing or retaining completion entries retrieved with this option.
* @default false
*/
includeSymbol?: boolean;
/** @deprecated Use includeCompletionsForModuleExports */
includeExternalModuleExports?: boolean;
/** @deprecated Use includeCompletionsWithInsertText */
includeInsertTextCompletions?: boolean;
}
type SignatureHelpTriggerCharacter = "," | "(" | "<";
type SignatureHelpRetriggerCharacter = SignatureHelpTriggerCharacter | ")";
interface SignatureHelpItemsOptions {
triggerReason?: SignatureHelpTriggerReason;
}
type SignatureHelpTriggerReason = SignatureHelpInvokedReason | SignatureHelpCharacterTypedReason | SignatureHelpRetriggeredReason;
/**
* Signals that the user manually requested signature help.
* The language service will unconditionally attempt to provide a result.
*/
interface SignatureHelpInvokedReason {
kind: "invoked";
triggerCharacter?: undefined;
}
/**
* Signals that the signature help request came from a user typing a character.
* Depending on the character and the syntactic context, the request may or may not be served a result.
*/
interface SignatureHelpCharacterTypedReason {
kind: "characterTyped";
/**
* Character that was responsible for triggering signature help.
*/
triggerCharacter: SignatureHelpTriggerCharacter;
}
/**
* Signals that this signature help request came from typing a character or moving the cursor.
* This should only occur if a signature help session was already active and the editor needs to see if it should adjust.
* The language service will unconditionally attempt to provide a result.
* `triggerCharacter` can be `undefined` for a retrigger caused by a cursor move.
*/
interface SignatureHelpRetriggeredReason {
kind: "retrigger";
/**
* Character that was responsible for triggering signature help.
*/
triggerCharacter?: SignatureHelpRetriggerCharacter;
}
interface ApplyCodeActionCommandResult {
successMessage: string;
}
interface Classifications {
spans: number[];
endOfLineState: EndOfLineState;
}
interface ClassifiedSpan {
textSpan: TextSpan;
classificationType: ClassificationTypeNames;
}
interface ClassifiedSpan2020 {
textSpan: TextSpan;
classificationType: number;
}
/**
* Navigation bar interface designed for visual studio's dual-column layout.
* This does not form a proper tree.
* The navbar is returned as a list of top-level items, each of which has a list of child items.
* Child items always have an empty array for their `childItems`.
*/
interface NavigationBarItem {
text: string;
kind: ScriptElementKind;
kindModifiers: string;
spans: TextSpan[];
childItems: NavigationBarItem[];
indent: number;
bolded: boolean;
grayed: boolean;
}
/**
* Node in a tree of nested declarations in a file.
* The top node is always a script or module node.
*/
interface NavigationTree {
/** Name of the declaration, or a short description, e.g. "<class>". */
text: string;
kind: ScriptElementKind;
/** ScriptElementKindModifier separated by commas, e.g. "public,abstract" */
kindModifiers: string;
/**
* Spans of the nodes that generated this declaration.
* There will be more than one if this is the result of merging.
*/
spans: TextSpan[];
nameSpan: TextSpan | undefined;
/** Present if non-empty */
childItems?: NavigationTree[];
}
interface CallHierarchyItem {
name: string;
kind: ScriptElementKind;
kindModifiers?: string;
file: string;
span: TextSpan;
selectionSpan: TextSpan;
containerName?: string;
}
interface CallHierarchyIncomingCall {
from: CallHierarchyItem;
fromSpans: TextSpan[];
}
interface CallHierarchyOutgoingCall {
to: CallHierarchyItem;
fromSpans: TextSpan[];
}
enum InlayHintKind {
Type = "Type",
Parameter = "Parameter",
Enum = "Enum"
}
interface InlayHint {
text: string;
position: number;
kind: InlayHintKind;
whitespaceBefore?: boolean;
whitespaceAfter?: boolean;
}
interface TodoCommentDescriptor {
text: string;
priority: number;
}
interface TodoComment {
descriptor: TodoCommentDescriptor;
message: string;
position: number;
}
interface TextChange {
span: TextSpan;
newText: string;
}
interface FileTextChanges {
fileName: string;
textChanges: readonly TextChange[];
isNewFile?: boolean;
}
interface CodeAction {
/** Description of the code action to display in the UI of the editor */
description: string;
/** Text changes to apply to each file as part of the code action */
changes: FileTextChanges[];
/**
* If the user accepts the code fix, the editor should send the action back in a `applyAction` request.
* This allows the language service to have side effects (e.g. installing dependencies) upon a code fix.
*/
commands?: CodeActionCommand[];
}
interface CodeFixAction extends CodeAction {
/** Short name to identify the fix, for use by telemetry. */
fixName: string;
/**
* If present, one may call 'getCombinedCodeFix' with this fixId.
* This may be omitted to indicate that the code fix can't be applied in a group.
*/
fixId?: {};
fixAllDescription?: string;
}
interface CombinedCodeActions {
changes: readonly FileTextChanges[];
commands?: readonly CodeActionCommand[];
}
type CodeActionCommand = InstallPackageAction;
interface InstallPackageAction {
}
/**
* A set of one or more available refactoring actions, grouped under a parent refactoring.
*/
interface ApplicableRefactorInfo {
/**
* The programmatic name of the refactoring
*/
name: string;
/**
* A description of this refactoring category to show to the user.
* If the refactoring gets inlined (see below), this text will not be visible.
*/
description: string;
/**
* Inlineable refactorings can have their actions hoisted out to the top level
* of a context menu. Non-inlineanable refactorings should always be shown inside
* their parent grouping.
*
* If not specified, this value is assumed to be 'true'
*/
inlineable?: boolean;
actions: RefactorActionInfo[];
}
/**
* Represents a single refactoring action - for example, the "Extract Method..." refactor might
* offer several actions, each corresponding to a surround class or closure to extract into.
*/
interface RefactorActionInfo {
/**
* The programmatic name of the refactoring action
*/
name: string;
/**
* A description of this refactoring action to show to the user.
* If the parent refactoring is inlined away, this will be the only text shown,
* so this description should make sense by itself if the parent is inlineable=true
*/
description: string;
/**
* A message to show to the user if the refactoring cannot be applied in
* the current context.
*/
notApplicableReason?: string;
/**
* The hierarchical dotted name of the refactor action.
*/
kind?: string;
}
/**
* A set of edits to make in response to a refactor action, plus an optional
* location where renaming should be invoked from
*/
interface RefactorEditInfo {
edits: FileTextChanges[];
renameFilename?: string;
renameLocation?: number;
commands?: CodeActionCommand[];
}
type RefactorTriggerReason = "implicit" | "invoked";
interface TextInsertion {
newText: string;
/** The position in newText the caret should point to after the insertion. */
caretOffset: number;
}
interface DocumentSpan {
textSpan: TextSpan;
fileName: string;
/**
* If the span represents a location that was remapped (e.g. via a .d.ts.map file),
* then the original filename and span will be specified here
*/
originalTextSpan?: TextSpan;
originalFileName?: string;
/**
* If DocumentSpan.textSpan is the span for name of the declaration,
* then this is the span for relevant declaration
*/
contextSpan?: TextSpan;
originalContextSpan?: TextSpan;
}
interface RenameLocation extends DocumentSpan {
readonly prefixText?: string;
readonly suffixText?: string;
}
interface ReferenceEntry extends DocumentSpan {
isWriteAccess: boolean;
isInString?: true;
}
interface ImplementationLocation extends DocumentSpan {
kind: ScriptElementKind;
displayParts: SymbolDisplayPart[];
}
enum HighlightSpanKind {
none = "none",
definition = "definition",
reference = "reference",
writtenReference = "writtenReference"
}
interface HighlightSpan {
fileName?: string;
isInString?: true;
textSpan: TextSpan;
contextSpan?: TextSpan;
kind: HighlightSpanKind;
}
interface NavigateToItem {
name: string;
kind: ScriptElementKind;
kindModifiers: string;
matchKind: "exact" | "prefix" | "substring" | "camelCase";
isCaseSensitive: boolean;
fileName: string;
textSpan: TextSpan;
containerName: string;
containerKind: ScriptElementKind;
}
enum IndentStyle {
None = 0,
Block = 1,
Smart = 2
}
enum SemicolonPreference {
Ignore = "ignore",
Insert = "insert",
Remove = "remove"
}
/** @deprecated - consider using EditorSettings instead */
interface EditorOptions {
BaseIndentSize?: number;
IndentSize: number;
TabSize: number;
NewLineCharacter: string;
ConvertTabsToSpaces: boolean;
IndentStyle: IndentStyle;
}
interface EditorSettings {
baseIndentSize?: number;
indentSize?: number;
tabSize?: number;
newLineCharacter?: string;
convertTabsToSpaces?: boolean;
indentStyle?: IndentStyle;
trimTrailingWhitespace?: boolean;
}
/** @deprecated - consider using FormatCodeSettings instead */
interface FormatCodeOptions extends EditorOptions {
InsertSpaceAfterCommaDelimiter: boolean;
InsertSpaceAfterSemicolonInForStatements: boolean;
InsertSpaceBeforeAndAfterBinaryOperators: boolean;
InsertSpaceAfterConstructor?: boolean;
InsertSpaceAfterKeywordsInControlFlowStatements: boolean;
InsertSpaceAfterFunctionKeywordForAnonymousFunctions: boolean;
InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: boolean;
InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: boolean;
InsertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean;
InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: boolean;
InsertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean;
InsertSpaceAfterTypeAssertion?: boolean;
InsertSpaceBeforeFunctionParenthesis?: boolean;
PlaceOpenBraceOnNewLineForFunctions: boolean;
PlaceOpenBraceOnNewLineForControlBlocks: boolean;
insertSpaceBeforeTypeAnnotation?: boolean;
}
interface FormatCodeSettings extends EditorSettings {
readonly insertSpaceAfterCommaDelimiter?: boolean;
readonly insertSpaceAfterSemicolonInForStatements?: boolean;
readonly insertSpaceBeforeAndAfterBinaryOperators?: boolean;
readonly insertSpaceAfterConstructor?: boolean;
readonly insertSpaceAfterKeywordsInControlFlowStatements?: boolean;
readonly insertSpaceAfterFunctionKeywordForAnonymousFunctions?: boolean;
readonly insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis?: boolean;
readonly insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets?: boolean;
readonly insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean;
readonly insertSpaceAfterOpeningAndBeforeClosingEmptyBraces?: boolean;
readonly insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces?: boolean;
readonly insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean;
readonly insertSpaceAfterTypeAssertion?: boolean;
readonly insertSpaceBeforeFunctionParenthesis?: boolean;
readonly placeOpenBraceOnNewLineForFunctions?: boolean;
readonly placeOpenBraceOnNewLineForControlBlocks?: boolean;
readonly insertSpaceBeforeTypeAnnotation?: boolean;
readonly indentMultiLineObjectLiteralBeginningOnBlankLine?: boolean;
readonly semicolons?: SemicolonPreference;
}
interface DefinitionInfo extends DocumentSpan {
kind: ScriptElementKind;
name: string;
containerKind: ScriptElementKind;
containerName: string;
unverified?: boolean;
}
interface DefinitionInfoAndBoundSpan {
definitions?: readonly DefinitionInfo[];
textSpan: TextSpan;
}
interface ReferencedSymbolDefinitionInfo extends DefinitionInfo {
displayParts: SymbolDisplayPart[];
}
interface ReferencedSymbol {
definition: ReferencedSymbolDefinitionInfo;
references: ReferencedSymbolEntry[];
}
interface ReferencedSymbolEntry extends ReferenceEntry {
isDefinition?: boolean;
}
enum SymbolDisplayPartKind {
aliasName = 0,
className = 1,
enumName = 2,
fieldName = 3,
interfaceName = 4,
keyword = 5,
lineBreak = 6,
numericLiteral = 7,
stringLiteral = 8,
localName = 9,
methodName = 10,
moduleName = 11,
operator = 12,
parameterName = 13,
propertyName = 14,
punctuation = 15,
space = 16,
text = 17,
typeParameterName = 18,
enumMemberName = 19,
functionName = 20,
regularExpressionLiteral = 21,
link = 22,
linkName = 23,
linkText = 24
}
interface SymbolDisplayPart {
text: string;
kind: string;
}
interface JSDocLinkDisplayPart extends SymbolDisplayPart {
target: DocumentSpan;
}
interface JSDocTagInfo {
name: string;
text?: SymbolDisplayPart[];
}
interface QuickInfo {
kind: ScriptElementKind;
kindModifiers: string;
textSpan: TextSpan;
displayParts?: SymbolDisplayPart[];
documentation?: SymbolDisplayPart[];
tags?: JSDocTagInfo[];
}
type RenameInfo = RenameInfoSuccess | RenameInfoFailure;
interface RenameInfoSuccess {
canRename: true;
/**
* File or directory to rename.
* If set, `getEditsForFileRename` should be called instead of `findRenameLocations`.
*/
fileToRename?: string;
displayName: string;
fullDisplayName: string;
kind: ScriptElementKind;
kindModifiers: string;
triggerSpan: TextSpan;
}
interface RenameInfoFailure {
canRename: false;
localizedErrorMessage: string;
}
/**
* @deprecated Use `UserPreferences` instead.
*/
interface RenameInfoOptions {
readonly allowRenameOfImportPath?: boolean;
}
interface DocCommentTemplateOptions {
readonly generateReturnInDocTemplate?: boolean;
}
interface SignatureHelpParameter {
name: string;
documentation: SymbolDisplayPart[];
displayParts: SymbolDisplayPart[];
isOptional: boolean;
isRest?: boolean;
}
interface SelectionRange {
textSpan: TextSpan;
parent?: SelectionRange;
}
/**
* Represents a single signature to show in signature help.
* The id is used for subsequent calls into the language service to ask questions about the
* signature help item in the context of any documents that have been updated. i.e. after
* an edit has happened, while signature help is still active, the host can ask important
* questions like 'what parameter is the user currently contained within?'.
*/
interface SignatureHelpItem {
isVariadic: boolean;
prefixDisplayParts: SymbolDisplayPart[];
suffixDisplayParts: SymbolDisplayPart[];
separatorDisplayParts: SymbolDisplayPart[];
parameters: SignatureHelpParameter[];
documentation: SymbolDisplayPart[];
tags: JSDocTagInfo[];
}
/**
* Represents a set of signature help items, and the preferred item that should be selected.
*/
interface SignatureHelpItems {
items: SignatureHelpItem[];
applicableSpan: TextSpan;
selectedItemIndex: number;
argumentIndex: number;
argumentCount: number;
}
enum CompletionInfoFlags {
None = 0,
MayIncludeAutoImports = 1,
IsImportStatementCompletion = 2,
IsContinuation = 4,
ResolvedModuleSpecifiers = 8,
ResolvedModuleSpecifiersBeyondLimit = 16,
MayIncludeMethodSnippets = 32
}
interface CompletionInfo {
/** For performance telemetry. */
flags?: CompletionInfoFlags;
/** Not true for all global completions. This will be true if the enclosing scope matches a few syntax kinds. See `isSnippetScope`. */
isGlobalCompletion: boolean;
isMemberCompletion: boolean;
/**
* In the absence of `CompletionEntry["replacementSpan"]`, the editor may choose whether to use
* this span or its default one. If `CompletionEntry["replacementSpan"]` is defined, that span
* must be used to commit that completion entry.
*/
optionalReplacementSpan?: TextSpan;
/**
* true when the current location also allows for a new identifier
*/
isNewIdentifierLocation: boolean;
/**
* Indicates to client to continue requesting completions on subsequent keystrokes.
*/
isIncomplete?: true;
entries: CompletionEntry[];
}
interface CompletionEntryDataAutoImport {
/**
* The name of the property or export in the module's symbol table. Differs from the completion name
* in the case of InternalSymbolName.ExportEquals and InternalSymbolName.Default.
*/
exportName: string;
exportMapKey?: string;
moduleSpecifier?: string;
/** The file name declaring the export's module symbol, if it was an external module */
fileName?: string;
/** The module name (with quotes stripped) of the export's module symbol, if it was an ambient module */
ambientModuleName?: string;
/** True if the export was found in the package.json AutoImportProvider */
isPackageJsonImport?: true;
}
interface CompletionEntryDataUnresolved extends CompletionEntryDataAutoImport {
exportMapKey: string;
}
interface CompletionEntryDataResolved extends CompletionEntryDataAutoImport {
moduleSpecifier: string;
}
type CompletionEntryData = CompletionEntryDataUnresolved | CompletionEntryDataResolved;
interface CompletionEntry {
name: string;
kind: ScriptElementKind;
kindModifiers?: string;
sortText: string;
insertText?: string;
isSnippet?: true;
/**
* An optional span that indicates the text to be replaced by this completion item.
* If present, this span should be used instead of the default one.
* It will be set if the required span differs from the one generated by the default replacement behavior.
*/
replacementSpan?: TextSpan;
hasAction?: true;
source?: string;
sourceDisplay?: SymbolDisplayPart[];
labelDetails?: CompletionEntryLabelDetails;
isRecommended?: true;
isFromUncheckedFile?: true;
isPackageJsonImport?: true;
isImportStatementCompletion?: true;
/**
* For API purposes.
* Included for non-string completions only when `includeSymbol: true` option is passed to `getCompletionsAtPosition`.
* @example Get declaration of completion: `symbol.valueDeclaration`
*/
symbol?: Symbol;
/**
* A property to be sent back to TS Server in the CompletionDetailsRequest, along with `name`,
* that allows TS Server to look up the symbol represented by the completion item, disambiguating
* items with the same name. Currently only defined for auto-import completions, but the type is
* `unknown` in the protocol, so it can be changed as needed to support other kinds of completions.
* The presence of this property should generally not be used to assume that this completion entry
* is an auto-import.
*/
data?: CompletionEntryData;
}
interface CompletionEntryLabelDetails {
detail?: string;
description?: string;
}
interface CompletionEntryDetails {
name: string;
kind: ScriptElementKind;
kindModifiers: string;
displayParts: SymbolDisplayPart[];
documentation?: SymbolDisplayPart[];
tags?: JSDocTagInfo[];
codeActions?: CodeAction[];
/** @deprecated Use `sourceDisplay` instead. */
source?: SymbolDisplayPart[];
sourceDisplay?: SymbolDisplayPart[];
}
interface OutliningSpan {
/** The span of the document to actually collapse. */
textSpan: TextSpan;
/** The span of the document to display when the user hovers over the collapsed span. */
hintSpan: TextSpan;
/** The text to display in the editor for the collapsed region. */
bannerText: string;
/**
* Whether or not this region should be automatically collapsed when
* the 'Collapse to Definitions' command is invoked.
*/
autoCollapse: boolean;
/**
* Classification of the contents of the span
*/
kind: OutliningSpanKind;
}
enum OutliningSpanKind {
/** Single or multi-line comments */
Comment = "comment",
/** Sections marked by '// #region' and '// #endregion' comments */
Region = "region",
/** Declarations and expressions */
Code = "code",
/** Contiguous blocks of import declarations */
Imports = "imports"
}
enum OutputFileType {
JavaScript = 0,
SourceMap = 1,
Declaration = 2
}
enum EndOfLineState {
None = 0,
InMultiLineCommentTrivia = 1,
InSingleQuoteStringLiteral = 2,
InDoubleQuoteStringLiteral = 3,
InTemplateHeadOrNoSubstitutionTemplate = 4,
InTemplateMiddleOrTail = 5,
InTemplateSubstitutionPosition = 6
}
enum TokenClass {
Punctuation = 0,
Keyword = 1,
Operator = 2,
Comment = 3,
Whitespace = 4,
Identifier = 5,
NumberLiteral = 6,
BigIntLiteral = 7,
StringLiteral = 8,
RegExpLiteral = 9
}
interface ClassificationResult {
finalLexState: EndOfLineState;
entries: ClassificationInfo[];
}
interface ClassificationInfo {
length: number;
classification: TokenClass;
}
interface Classifier {
/**
* Gives lexical classifications of tokens on a line without any syntactic context.
* For instance, a token consisting of the text 'string' can be either an identifier
* named 'string' or the keyword 'string', however, because this classifier is not aware,
* it relies on certain heuristics to give acceptable results. For classifications where
* speed trumps accuracy, this function is preferable; however, for true accuracy, the
* syntactic classifier is ideal. In fact, in certain editing scenarios, combining the
* lexical, syntactic, and semantic classifiers may issue the best user experience.
*
* @param text The text of a line to classify.
* @param lexState The state of the lexical classifier at the end of the previous line.
* @param syntacticClassifierAbsent Whether the client is *not* using a syntactic classifier.
* If there is no syntactic classifier (syntacticClassifierAbsent=true),
* certain heuristics may be used in its place; however, if there is a
* syntactic classifier (syntacticClassifierAbsent=false), certain
* classifications which may be incorrectly categorized will be given
* back as Identifiers in order to allow the syntactic classifier to
* subsume the classification.
* @deprecated Use getLexicalClassifications instead.
*/
getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent: boolean): ClassificationResult;
getEncodedLexicalClassifications(text: string, endOfLineState: EndOfLineState, syntacticClassifierAbsent: boolean): Classifications;
}
enum ScriptElementKind {
unknown = "",
warning = "warning",
/** predefined type (void) or keyword (class) */
keyword = "keyword",
/** top level script node */
scriptElement = "script",
/** module foo {} */
moduleElement = "module",
/** class X {} */
classElement = "class",
/** var x = class X {} */
localClassElement = "local class",
/** interface Y {} */
interfaceElement = "interface",
/** type T = ... */
typeElement = "type",
/** enum E */
enumElement = "enum",
enumMemberElement = "enum member",
/**
* Inside module and script only
* const v = ..
*/
variableElement = "var",
/** Inside function */
localVariableElement = "local var",
/**
* Inside module and script only
* function f() { }
*/
functionElement = "function",
/** Inside function */
localFunctionElement = "local function",
/** class X { [public|private]* foo() {} } */
memberFunctionElement = "method",
/** class X { [public|private]* [get|set] foo:number; } */
memberGetAccessorElement = "getter",
memberSetAccessorElement = "setter",
/**
* class X { [public|private]* foo:number; }
* interface Y { foo:number; }
*/
memberVariableElement = "property",
/** class X { [public|private]* accessor foo: number; } */
memberAccessorVariableElement = "accessor",
/**
* class X { constructor() { } }
* class X { static { } }
*/
constructorImplementationElement = "constructor",
/** interface Y { ():number; } */
callSignatureElement = "call",
/** interface Y { []:number; } */
indexSignatureElement = "index",
/** interface Y { new():Y; } */
constructSignatureElement = "construct",
/** function foo(*Y*: string) */
parameterElement = "parameter",
typeParameterElement = "type parameter",
primitiveType = "primitive type",
label = "label",
alias = "alias",
constElement = "const",
letElement = "let",
directory = "directory",
externalModuleName = "external module name",
/**
* <JsxTagName attribute1 attribute2={0} />
* @deprecated
*/
jsxAttribute = "JSX attribute",
/** String literal */
string = "string",
/** Jsdoc @link: in `{@link C link text}`, the before and after text "{@link " and "}" */
link = "link",
/** Jsdoc @link: in `{@link C link text}`, the entity name "C" */
linkName = "link name",
/** Jsdoc @link: in `{@link C link text}`, the link text "link text" */
linkText = "link text"
}
enum ScriptElementKindModifier {
none = "",
publicMemberModifier = "public",
privateMemberModifier = "private",
protectedMemberModifier = "protected",
exportedModifier = "export",
ambientModifier = "declare",
staticModifier = "static",
abstractModifier = "abstract",
optionalModifier = "optional",
deprecatedModifier = "deprecated",
dtsModifier = ".d.ts",
tsModifier = ".ts",
tsxModifier = ".tsx",
jsModifier = ".js",
jsxModifier = ".jsx",
jsonModifier = ".json",
dmtsModifier = ".d.mts",
mtsModifier = ".mts",
mjsModifier = ".mjs",
dctsModifier = ".d.cts",
ctsModifier = ".cts",
cjsModifier = ".cjs"
}
enum ClassificationTypeNames {
comment = "comment",
identifier = "identifier",
keyword = "keyword",
numericLiteral = "number",
bigintLiteral = "bigint",
operator = "operator",
stringLiteral = "string",
whiteSpace = "whitespace",
text = "text",
punctuation = "punctuation",
className = "class name",
enumName = "enum name",
interfaceName = "interface name",
moduleName = "module name",
typeParameterName = "type parameter name",
typeAliasName = "type alias name",
parameterName = "parameter name",
docCommentTagName = "doc comment tag name",
jsxOpenTagName = "jsx open tag name",
jsxCloseTagName = "jsx close tag name",
jsxSelfClosingTagName = "jsx self closing tag name",
jsxAttribute = "jsx attribute",
jsxText = "jsx text",
jsxAttributeStringLiteralValue = "jsx attribute string literal value"
}
enum ClassificationType {
comment = 1,
identifier = 2,
keyword = 3,
numericLiteral = 4,
operator = 5,
stringLiteral = 6,
regularExpressionLiteral = 7,
whiteSpace = 8,
text = 9,
punctuation = 10,
className = 11,
enumName = 12,
interfaceName = 13,
moduleName = 14,
typeParameterName = 15,
typeAliasName = 16,
parameterName = 17,
docCommentTagName = 18,
jsxOpenTagName = 19,
jsxCloseTagName = 20,
jsxSelfClosingTagName = 21,
jsxAttribute = 22,
jsxText = 23,
jsxAttributeStringLiteralValue = 24,
bigintLiteral = 25
}
interface InlayHintsContext {
file: SourceFile;
program: Program;
cancellationToken: CancellationToken;
host: LanguageServiceHost;
span: TextSpan;
preferences: UserPreferences;
}
/** The classifier is used for syntactic highlighting in editors via the TSServer */
function createClassifier(): Classifier;
interface DocumentHighlights {
fileName: string;
highlightSpans: HighlightSpan[];
}
function createDocumentRegistry(useCaseSensitiveFileNames?: boolean, currentDirectory?: string): DocumentRegistry;
/**
* The document registry represents a store of SourceFile objects that can be shared between
* multiple LanguageService instances. A LanguageService instance holds on the SourceFile (AST)
* of files in the context.
* SourceFile objects account for most of the memory usage by the language service. Sharing
* the same DocumentRegistry instance between different instances of LanguageService allow
* for more efficient memory utilization since all projects will share at least the library
* file (lib.d.ts).
*
* A more advanced use of the document registry is to serialize sourceFile objects to disk
* and re-hydrate them when needed.
*
* To create a default DocumentRegistry, use createDocumentRegistry to create one, and pass it
* to all subsequent createLanguageService calls.
*/
interface DocumentRegistry {
/**
* Request a stored SourceFile with a given fileName and compilationSettings.
* The first call to acquire will call createLanguageServiceSourceFile to generate
* the SourceFile if was not found in the registry.
*
* @param fileName The name of the file requested
* @param compilationSettingsOrHost Some compilation settings like target affects the
* shape of a the resulting SourceFile. This allows the DocumentRegistry to store
* multiple copies of the same file for different compilation settings. A minimal
* resolution cache is needed to fully define a source file's shape when
* the compilation settings include `module: node16`+, so providing a cache host
* object should be preferred. A common host is a language service `ConfiguredProject`.
* @param scriptSnapshot Text of the file. Only used if the file was not found
* in the registry and a new one was created.
* @param version Current version of the file. Only used if the file was not found
* in the registry and a new one was created.
*/
acquireDocument(fileName: string, compilationSettingsOrHost: CompilerOptions | MinimalResolutionCacheHost, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind, sourceFileOptions?: CreateSourceFileOptions | ScriptTarget): SourceFile;
acquireDocumentWithKey(fileName: string, path: Path, compilationSettingsOrHost: CompilerOptions | MinimalResolutionCacheHost, key: DocumentRegistryBucketKey, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind, sourceFileOptions?: CreateSourceFileOptions | ScriptTarget): SourceFile;
/**
* Request an updated version of an already existing SourceFile with a given fileName
* and compilationSettings. The update will in-turn call updateLanguageServiceSourceFile
* to get an updated SourceFile.
*
* @param fileName The name of the file requested
* @param compilationSettingsOrHost Some compilation settings like target affects the
* shape of a the resulting SourceFile. This allows the DocumentRegistry to store
* multiple copies of the same file for different compilation settings. A minimal
* resolution cache is needed to fully define a source file's shape when
* the compilation settings include `module: node16`+, so providing a cache host
* object should be preferred. A common host is a language service `ConfiguredProject`.
* @param scriptSnapshot Text of the file.
* @param version Current version of the file.
*/
updateDocument(fileName: string, compilationSettingsOrHost: CompilerOptions | MinimalResolutionCacheHost, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind, sourceFileOptions?: CreateSourceFileOptions | ScriptTarget): SourceFile;
updateDocumentWithKey(fileName: string, path: Path, compilationSettingsOrHost: CompilerOptions | MinimalResolutionCacheHost, key: DocumentRegistryBucketKey, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind, sourceFileOptions?: CreateSourceFileOptions | ScriptTarget): SourceFile;
getKeyForCompilationSettings(settings: CompilerOptions): DocumentRegistryBucketKey;
/**
* Informs the DocumentRegistry that a file is not needed any longer.
*
* Note: It is not allowed to call release on a SourceFile that was not acquired from
* this registry originally.
*
* @param fileName The name of the file to be released
* @param compilationSettings The compilation settings used to acquire the file
* @param scriptKind The script kind of the file to be released
*
* @deprecated pass scriptKind and impliedNodeFormat for correctness
*/
releaseDocument(fileName: string, compilationSettings: CompilerOptions, scriptKind?: ScriptKind): void;
/**
* Informs the DocumentRegistry that a file is not needed any longer.
*
* Note: It is not allowed to call release on a SourceFile that was not acquired from
* this registry originally.
*
* @param fileName The name of the file to be released
* @param compilationSettings The compilation settings used to acquire the file
* @param scriptKind The script kind of the file to be released
* @param impliedNodeFormat The implied source file format of the file to be released
*/
releaseDocument(fileName: string, compilationSettings: CompilerOptions, scriptKind: ScriptKind, impliedNodeFormat: ResolutionMode): void;
/**
* @deprecated pass scriptKind for and impliedNodeFormat correctness */
releaseDocumentWithKey(path: Path, key: DocumentRegistryBucketKey, scriptKind?: ScriptKind): void;
releaseDocumentWithKey(path: Path, key: DocumentRegistryBucketKey, scriptKind: ScriptKind, impliedNodeFormat: ResolutionMode): void;
reportStats(): string;
}
type DocumentRegistryBucketKey = string & {
__bucketKey: any;
};
function preProcessFile(sourceText: string, readImportFiles?: boolean, detectJavaScriptImports?: boolean): PreProcessedFileInfo;
function transpileModule(input: string, transpileOptions: TranspileOptions): TranspileOutput;
function transpile(input: string, compilerOptions?: CompilerOptions, fileName?: string, diagnostics?: Diagnostic[], moduleName?: string): string;
interface TranspileOptions {
compilerOptions?: CompilerOptions;
fileName?: string;
reportDiagnostics?: boolean;
moduleName?: string;
renamedDependencies?: MapLike<string>;
transformers?: CustomTransformers;
}
interface TranspileOutput {
outputText: string;
diagnostics?: Diagnostic[];
sourceMapText?: string;
}
function toEditorSettings(options: EditorOptions | EditorSettings): EditorSettings;
function displayPartsToString(displayParts: SymbolDisplayPart[] | undefined): string;
function getDefaultCompilerOptions(): CompilerOptions;
function getSupportedCodeFixes(): readonly string[];
function createLanguageServiceSourceFile(fileName: string, scriptSnapshot: IScriptSnapshot, scriptTargetOrOptions: ScriptTarget | CreateSourceFileOptions, version: string, setNodeParents: boolean, scriptKind?: ScriptKind): SourceFile;
function updateLanguageServiceSourceFile(sourceFile: SourceFile, scriptSnapshot: IScriptSnapshot, version: string, textChangeRange: TextChangeRange | undefined, aggressiveChecks?: boolean): SourceFile;
function createLanguageService(host: LanguageServiceHost, documentRegistry?: DocumentRegistry, syntaxOnlyOrLanguageServiceMode?: boolean | LanguageServiceMode): LanguageService;
/**
* Get the path of the default library files (lib.d.ts) as distributed with the typescript
* node package.
* The functionality is not supported if the ts module is consumed outside of a node module.
*/
function getDefaultLibFilePath(options: CompilerOptions): string;
/** The version of the language service API */
const servicesVersion = "0.8";
/**
* Transform one or more nodes using the supplied transformers.
* @param source A single `Node` or an array of `Node` objects.
* @param transformers An array of `TransformerFactory` callbacks used to process the transformation.
* @param compilerOptions Optional compiler options.
*/
function transform<T extends Node>(source: T | T[], transformers: TransformerFactory<T>[], compilerOptions?: CompilerOptions): TransformationResult<T>;
}
export = ts;