@rxx/worker/lib/development/reducer.d.ts

React MVI micro framework.

/**
 * @fileoverview
 * @author Taketoshi Aono
 */
import { Observable } from 'rxjs';
import { FlatScanOptions, FlatScanReturnType } from './observable/flatscan';
import { SubjectPayload } from './subject';
/**
 * Return type of reducer.
 */
declare type ReducerReturnType<T> = FlatScanReturnType<T>;
export declare enum SystemEvent {
    REPLACE_STATE = "@System::replace-state"
}
export declare type ReducerOptions<T> = FlatScanOptions<T>;
export declare function reducer<T extends SubjectPayload<string, any, any>, U>(source: Observable<T>, handler: (state: U, payload: T) => ReducerReturnType<U> | Promise<ReducerReturnType<U>>, initial?: U | Observable<U> | Promise<U>, options?: ReducerOptions<T>): Observable<U>;
export {};