18 lines
510 B
TypeScript
18 lines
510 B
TypeScript
// deno-lint-ignore-file no-explicit-any
|
|
import type { TaggedVariant, UUID, VariantTag } from "@fabric/core";
|
|
|
|
/**
|
|
* An event is a tagged variant with a payload and a timestamp.
|
|
*/
|
|
export interface DomainEvent<TTag extends string = string, TPayload = any>
|
|
extends TaggedVariant<TTag> {
|
|
readonly id: UUID;
|
|
readonly streamId: UUID;
|
|
readonly payload: TPayload;
|
|
}
|
|
|
|
export type EventFromKey<
|
|
TEvents extends DomainEvent,
|
|
TKey extends TEvents[VariantTag],
|
|
> = Extract<TEvents, { [VariantTag]: TKey }>;
|