import { ExtractParamName, ExtractParamType } from './params';
import { Param } from './paramTypes';
import { Routes } from './route';
import { RouteGetByKey } from './routeWithParams';
import { MakeOptional } from '../utilities/makeOptional';
import { Identity } from './utilities';
export type ToState<TState extends Record<string, Param> | undefined> = TState extends undefined ? Record<string, Param> : unknown extends TState ? {} : TState;
export type ExtractRouteStateParamsAsOptional<TParams extends Record<string, Param>> = {
    [K in keyof TParams]: ExtractParamType<TParams[K]> | undefined;
};
export type RouteStateByName<TRoutes extends Routes, TName extends string> = ExtractStateParams<RouteGetByKey<TRoutes, TName>>;
type ExtractStateParams<TRoute> = TRoute extends {
    state: infer TState extends Record<string, Param>;
} ? ExtractParamTypes<TState> : Record<string, unknown>;
type ExtractParamTypes<TParams extends Record<string, Param>> = Identity<MakeOptional<{
    [K in keyof TParams as ExtractParamName<K>]: ExtractParamType<TParams[K]>;
}>>;
export {};