@cuppachino/type-space/dist/strings/reverse-string.d.ts

A collection of type utilities for TypeScript.

import type { Chars } from './chars';
import type { Join } from '../join';
import type { Reverse } from '../tuples/reverse';
/**
 * Reverses a string literal.
 *
 * @example
 * ```ts
 * function ReverseString<Str extends string>(str: Str): ReverseString<Str> => str.split('').reverse().join('') as ReverseString<Str>
 * ```
 */
export type ReverseString<T extends string> = Join<Reverse<Chars<T>>> extends infer R extends string ? R : never;