Class CallSignatureType

A function or constructor signature in a TypeScript type.

Import path

import javascript

Direct supertypes

@signature_type

Known direct subtypes

Predicates

getAChildType	Gets a type contained in this signature, that is, the return type or a parameter type.
getAParameter	Gets the type of a parameter of this signature, including the rest parameter, if any.
getAParameterName	Gets the name of a parameter of this signature.
getChild	Gets the `n`th type contained in this signature, that is, a parameter or return type.
getKind	Gets a value indicating if this is a function or constructor signature.
getNumOptionalParameter	Gets the number of optional parameters, that is, parameters that are marked as optional with the `?` suffix or is a rest parameter.
getNumParameter	Gets the number of parameters, including the rest parameter, if any.
getNumRequiredParameter	Gets the number of required parameters, that is, parameters that are not marked as optional with the `?` suffix.
getNumTypeParameter	Gets the number of type parameters on this call signature.
getParameter	Gets the type of the `n`th parameter declared in this signature.
getParameterName	Gets the name of the `n`th parameter.
getRestParameterArrayType	Gets the type of the rest parameter as an array, if it exists.
getRestParameterType	Gets the type of the rest parameter, if any.
getReturnType	Gets the return type of this signature.
getTypeParameterBound	Gets the bound on the `n`th type parameter.
getTypeParameterName	Gets the name of the `n`th type parameter.
hasRestParameter	Holds if this signature declares a rest parameter, such as `(x: number, ...y: string[])`.
hasTypeParameters	Holds if this call signature declares type parameters.
isAbstract	Holds if this signature is abstract.
isOptionalParameter	Holds if the `n`th parameter is declared optional with the `?` suffix or is the rest parameter.
isRequiredParameter	Holds if the `n`th parameter is required, that is, it is not marked as optional with the `?` suffix.
toString	Gets a string representation of this signature.