addWrappedProperties

The addWrappedProperties() function dynamically adds derived properties to a wrapped value while keeping the original type and extending the new type.

Interactive example

Syntax

type GetWrappedProperties<
	GenericWrappedValue extends object = object,
	GenericProperties extends object = object
> = (params: {
	wrappedValue: GenericWrappedValue;
}) => GenericProperties;

function addWrappedProperties<
	GenericWrappedValue extends object,
	GenericGetWrappedProperties extends GetWrappedProperties<GenericWrappedValue>
>(
	wrappedValue: GenericWrappedValue,
	getProperties: GenericGetWrappedProperties
): GenericWrappedValue & ReturnType<GenericGetWrappedProperties>;

Parameters

• wrappedValue : Wrapped value (object) to enrich.
• getProperties : Function that receives wrappedValue and returns the added properties.

Return value

The wrapped value enriched with the additional properties, typed with the union of both.

See also

• wrapValue - Wraps a value