createChildContainer · Core API

function createChildContainer(parent, providers?): Container;

Creates a child container that can resolve providers from its parent.

Child containers may register their own providers while still reusing parent providers. Scoped providers create one cached instance per resolving child.

Parameters

Parameter	Type	Default value	Description
parent	Container	undefined	Container used as the fallback provider registry.
providers	readonly Provider[]	[]	Providers registered locally in the child.

Returns

Container

A new child container.

Throws

DuplicateProviderError When the child providers contain the same token more than once.