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Listeners

Used to specify the kinds of events emitted by a Listenable .

Signature

export type Listeners<T extends object> = {
    [P in (string | symbol) & keyof T as IsListener<T[P]> extends true ? P : never]: T[P];
};

Type Parameters

Parameter Constraint Description
T object

Remarks

Any object type is a valid Listeners , but only the event-like properties of that type will be included.

Example

interface MyEvents {
  load: (user: string, data: IUserData) => void;
  error: (errorCode: number) => void;
}