Function optional

optional<Instance extends object>(
Class: Constructor<Instance>,
name?: string,
): undefined | Instance
Injects the instance associated with the given class, or undefined if the class is not registered in the container.
Type Parameters
- Instance extends object
Parameters
- Class: Constructor<Instance>
- Optionalname: string
Returns undefined | Instance
- Defined in optional.ts:8
optional<Value>(token: Token<Value>, name?: string): undefined | Value
Injects the value associated with the given token, or undefined if the token is not registered in the container.
Type Parameters
- Value
Parameters
- token: Token<Value>
- Optionalname: string
Returns undefined | Value
- Defined in optional.ts:14