redux-code/es/types.d.ts

Redux helpers for actions and reducers

import { Action } from 'redux'
import type { ThunkAction } from 'redux-thunk'
export declare type ActionCreatorResult<TypeName extends string, Result> = Result extends Action
  ? Result
  : Result extends ThunkAction<any, any, any, any>
  ? Result
  : Result extends Promise<infer R>
  ? ThunkAction<Promise<R>, any, never, never>
  : {
      type: TypeName
      payload: Result
    }
interface ActionCreatorProps<TypeName extends string> {
  type: TypeName
  toString(): TypeName
}
interface ActionCreatorSimple<TypeName extends string, Source>
  extends ActionCreatorProps<TypeName> {
  (): ActionCreatorResult<TypeName, Source>
}
interface ActionCreatorFn<TypeName extends string, Source extends (...args: any) => any>
  extends ActionCreatorProps<TypeName> {
  (...args: Parameters<Source>): ActionCreatorResult<TypeName, ReturnType<Source>>
}
export declare type ActionCreator<TypeName extends string, Source> = Source extends (
  ...args: any
) => any
  ? ActionCreatorFn<TypeName, Source>
  : ActionCreatorSimple<TypeName, Source>
export declare type MixType<T> = T extends string[]
  ? {
      [K in T[number]]: <A>(arg?: A) => A
    }
  : T
export declare type Actions<Prefix extends string, Source> = {
  readonly [K in keyof Source]: K extends string ? ActionCreator<`${Prefix}${K}`, Source[K]> : never
}
export {}