Class Type

A static type in the TypeScript type system.

Types are generally not associated with a specific location or AST node. For instance, there may be many AST nodes representing different uses of the number keyword, but there only exists one number type.

Import path

import javascript

Direct supertypes

@type

Known direct subtypes

Predicates

getAConstructorSignature	Gets a constructor call signature.
getAFunctionSignature	Gets a function call signature.
getASignature	Gets a signature of the given kind.
getChild	Gets the `i`th child of this type.
getConstructorSignature	Gets the `n`th constructor call signature.
getFunctionSignature	Gets the `n`th function call signature.
getKind	Gets the kind of this type, which is an integer value denoting how the type is stored in the database.
getLastConstructorSignature	Gets the last constructor call signature.
getLastFunctionSignature	Gets the last function call signature.
getLastSignature	Gets the last signature of the given kind.
getNumConstructorSignature	Gets the number of constructor call signatures.
getNumFunctionSignature	Gets the number of function call signatures.
getNumSignature	Gets the number of signatures of the given kind.
getNumberIndexType	Gets the type of the number index signature on this type, such as `T` in the type `{ [n: number]: T }`.
getSignature	Gets the `n`th signature of the given kind present on this type.
getStringIndexType	Gets the type of the string index signature on this type, such as `T` in the type `{ [s: string]: T }`.
hasUnderlyingType	Holds if this refers to the given named type, or is declared as a subtype thereof, or is a union or intersection containing such a type.
hasUnderlyingType	Holds if this refers to the given named type, or is declared as a subtype thereof, or is a union or intersection containing such a type.
hasUnderlyingTypeName	Holds if this refers to the given named type, or is declared as a subtype thereof, or is a union or intersection containing such a type.
toString	Gets a string representation of this type.
unfold	Repeatedly unfolds unions, intersections, and type aliases and gets any of the underlying types, or this type itself if it is not a union or intersection.
unfoldUnionAndIntersection	Repeatedly unfolds union and intersection types and gets any of the underlying types, or this type itself if it is not a union or intersection.