| 1 | import { Reducer, Action, Types } from './type-helpers';
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| 2 | declare type HandleActionChainApi<TState, TInputAction extends Action, TRootAction extends Action> = <TActionCreator extends (...args: any[]) => TInputAction, THandledAction extends ReturnType<TActionCreator>, TOutputAction extends Exclude<TInputAction, THandledAction>>(singleOrMultipleCreatorsAndTypes: TActionCreator | TActionCreator[], reducer: (state: TState, action: THandledAction) => TState) => [TOutputAction] extends [Action] ? Reducer<TState, TRootAction> & {
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| 3 | handlers: Record<Exclude<TRootAction, TOutputAction>['type'], (state: TState, action: TRootAction) => TState>;
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| 4 | handleAction: HandleActionChainApi<TState, TOutputAction, TRootAction>;
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| 5 | } : Reducer<TState, TRootAction> & {
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| 6 | handlers: Record<TRootAction['type'], (state: TState, action: TRootAction) => TState>;
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| 7 | };
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| 8 | declare type HandleTypeChainApi<TState, TInputAction extends Action, TRootAction extends Action> = <TType extends TInputAction['type'], THandledAction extends Extract<TInputAction, Action<TType>>, TOutputAction extends Exclude<TInputAction, THandledAction>>(singleOrMultipleCreatorsAndTypes: TType | TType[], reducer: (state: TState, action: THandledAction) => TState) => [TOutputAction] extends [Action] ? Reducer<TState, TRootAction> & {
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| 9 | handlers: Record<Exclude<TRootAction, TOutputAction>['type'], (state: TState, action: TRootAction) => TState>;
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| 10 | handleType: HandleTypeChainApi<TState, TOutputAction, TRootAction>;
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| 11 | } : Reducer<TState, TRootAction> & {
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| 12 | handlers: Record<TRootAction['type'], (state: TState, action: TRootAction) => TState>;
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| 13 | };
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| 14 | declare type GetAction<TAction extends Action, TType extends TAction['type']> = TAction extends Action<TType> ? TAction : never;
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| 15 | declare type InitialHandler<TState, TRootAction extends Action> = {
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| 16 | [P in TRootAction['type']]?: (state: TState, action: GetAction<TRootAction, P>) => TState;
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| 17 | };
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| 18 | declare type RootAction = Types extends {
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| 19 | RootAction: infer T;
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| 20 | } ? T : any;
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| 21 | export declare function createReducer<TState, TRootAction extends Action = RootAction>(initialState: TState, initialHandlers?: InitialHandler<TState, TRootAction>): Reducer<TState, TRootAction> & Readonly<{
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| 22 | handlers: InitialHandler<TState, any>;
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| 23 | handleAction: [unknown] extends [TRootAction] ? any : HandleActionChainApi<TState, TRootAction, TRootAction>;
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| 24 | handleType: [unknown] extends [TRootAction] ? any : HandleTypeChainApi<TState, TRootAction, TRootAction>;
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| 25 | }>;
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| 26 | export {};
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