import { Tuple } from '../../primitive/Tuple';
import { Replace } from '../Replace';
import { Split } from '../Split';
import { StartsWith } from '../StartWith';
type Recursive<T extends Tuple, R = never> = T extends readonly [
    infer First extends string,
    ...infer Rest extends string[]
] ? StartsWith<First, ':'> extends true ? Recursive<Rest, R | Replace<First, ':', ''>> : Recursive<Rest, R> : R;
/**
 *
 * Extract parameters from a URL path string
 *
 * URL 문자열에서 파라미터를 추출하는 타입
 *
 * @param S URL 경로 문자열 / URL path string
 *
 * @returns 추출된 파라미터 이름들의 유니온 타입 / Union type of extracted parameter names
 *
 * @example
 * type cases = [
 *   Expect<Equal<ParseUrlParams<''>, never>>,
 *   Expect<Equal<ParseUrlParams<':id'>, 'id'>>,
 *   Expect<Equal<ParseUrlParams<'posts/:id'>, 'id'>>,
 *   Expect<Equal<ParseUrlParams<'posts/:id/'>, 'id'>>,
 *   Expect<Equal<ParseUrlParams<'posts/:id/:user'>, 'id' | 'user'>>,
 *   Expect<Equal<ParseUrlParams<'posts/:id/:user/like'>, 'id' | 'user'>>,
 * ]
 *
 * @link https://www.utilscript.site/docs/usage-string/parse-url-params
 *
 */
export type ParseUrlParams<S extends string> = Recursive<Split<S, '/'>>;
export {};