/**
 * Extract required parameter names from route path at type level
 *
 * @example
 * ExtractRequiredParams<'/users/:id/posts/:postId'> = { id: string; postId: string }
 * ExtractRequiredParams<'/users'> = Record<string, never>
 */
export type ExtractRequiredParams<TPath extends string> = TPath extends `${infer _Start}:${infer _Param}?/${infer Rest}` ? ExtractRequiredParams<`/${Rest}`> : TPath extends `${infer _Start}:${infer Param}/${infer Rest}` ? {
    [K in Param]: string;
} & ExtractRequiredParams<`/${Rest}`> : TPath extends `${infer _Start}:${infer _Param}?` ? Record<string, never> : TPath extends `${infer _Start}:${infer Param}` ? {
    [K in Param]: string;
} : Record<string, never>;
/**
 * Extract optional parameter names from route path
 *
 * @example
 * ExtractOptionalParams<'/search/:query?'> = { query?: string }
 */
export type ExtractOptionalParams<TPath extends string> = TPath extends `${infer _Start}:${infer Param}?/${infer Rest}` ? {
    [K in Param]?: string;
} & ExtractOptionalParams<`/${Rest}`> : TPath extends `${infer _Start}:${infer Param}?` ? {
    [K in Param]?: string;
} : Record<string, never>;
/**
 * Combined parameter type for a route - merges required and optional params
 *
 * @example
 * RouteParams<'/users/:id/posts/:postId?'> = { id: string; postId?: string }
 */
export type RouteParams<TPath extends string> = ExtractRequiredParams<TPath> & ExtractOptionalParams<TPath>;
/**
 * Check if a path has any parameters
 */
export type HasParams<TPath extends string> = keyof RouteParams<TPath> extends never ? false : true;
/**
 * Get the params type for a given path, with proper handling for parameterless routes
 */
export type ParamsFor<TPath extends string> = keyof RouteParams<TPath> extends never ? undefined : RouteParams<TPath>;