`defineExtensionDecoderMap`

`defineExtensionDecoderMap`

Identity helper that narrows the type of a custom ExtensionDecoderMap literal.

ts

function defineExtensionDecoderMap<TMap extends ExtensionDecoderMap>(
	decoderMap: TMap,
): TMap

Parameters

decoderMap: TMap — Map of named decoders to return unchanged.

Returns — The same map, properly typed.