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KebabCase

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type UpperCaseCharacters = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z";
type KebabCaseImpl<S> =
  S extends `${infer Head}${infer Tail}`
  ? Head extends UpperCaseCharacters
    ? `-${Uncapitalize<Head>}${KebabCaseImpl<Tail>}`
    : `${Head}${KebabCaseImpl<Tail>}`
  : ""
type KebabCase<S extends string> = KebabCaseImpl<`${Uncapitalize<S>}`>
提出日時2023-09-14 08:41:39
問題KebabCase
ユーザーsankantsu
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<'😎'>, '😎'>>,
]