type-challenges-judge

Type Challenges Judge

Problems

Progress

KebabCase

提出詳細

type Split<S extends string> = S extends `${infer S1}${infer R}` ? S1 | Split<R> : S
type Alpha = Split<"ABCDEFGHIJKLMNOPQRSTUVWXYZ">
type KebabCase<S, R extends string = ""> =
  S extends "-" ? "-"
  : S extends `${infer S1}${infer Rest}`
    ? S1 extends Uppercase<S1> ? S1 extends Alpha
      ? KebabCase<Rest, `${R}-${Lowercase<S1>}`>
    : KebabCase<Rest, `${R}${S1}`> : KebabCase<Rest, `${R}${S1}`>
  : R extends `-${infer Rest}`
    ? Rest
  : R

提出日時	2024-10-05 08:08:59
問題	KebabCase
ユーザー	ookkoouu
ステータス	Accepted

テストケース

import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<KebabCase<'FooBarBaz'>, 'foo-bar-baz'>>,
  Expect<Equal<KebabCase<'fooBarBaz'>, 'foo-bar-baz'>>,
  Expect<Equal<KebabCase<'foo-bar'>, 'foo-bar'>>,
  Expect<Equal<KebabCase<'foo_bar'>, 'foo_bar'>>,
  Expect<Equal<KebabCase<'Foo-Bar'>, 'foo--bar'>>,
  Expect<Equal<KebabCase<'ABC'>, 'a-b-c'>>,
  Expect<Equal<KebabCase<'-'>, '-'>>,
  Expect<Equal<KebabCase<''>, ''>>,
  Expect<Equal<KebabCase<'😎'>, '😎'>>,
]