Type Alias: QueryHandler<R, P, T>

type QueryHandler<R, P, T> = (payload: P) => MaybePromise<R> & {
  type?: T;
};

Defined in: src/wirestate-core/plugin/queries/queries.ts:40

Answers a dispatched query payload and returns the query result.

Type Declaration

Name	Type	Defined in
type?	T	src/wirestate-core/plugin/queries/queries.ts:43

Type Parameters

Type Parameter	Default type	Description
R	unknown	Result type, optionally a Promise.
P	unknown	Payload type.
T extends QueryType	QueryType	Query type.

Remarks

A handler may return a plain value or a Promise. QueryBus.query(...) returns that result as-is. QueryBus.queryAsync(...) Promise-normalizes it.

Example

const currentUserHandler: QueryHandler<User> = () => userRepository.current();