// Type definitions for redux-promise-middleware
// Project: https://github.com/pburtchaell/redux-promise-middleware
// Definitions by: ianks <https://github.com/ianks>
// Definitions: https://github.com/borisyankov/DefinitelyTyped
// TypeScript Version: 2.8

import { Middleware } from 'redux';

export default function promiseMiddleware(config?: { promiseTypeSuffixes?: string[], promiseTypeDelimiter?: string }): Middleware;

declare module "redux" {
  export interface PromiseAction<R> extends Action {
    payload: Promise<R>;
  }

  type PayloadType<PA> = PA extends PromiseAction<infer R> ? R : never;

  export interface Dispatch<S> {
    <R, PA extends PromiseAction<R>>(action: PA): Promise<{
      value: PayloadType<PA>;
      type: string;
    }>;
  }
}