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Drop Char

提出詳細

type DropChar<S extends string, C extends string> = S extends `${infer First}${infer Rest}`
  ? First extends C
    ? `${DropChar<Rest, C>}`
    : `${First}${DropChar<Rest, C>}`
  : ''
提出日時2023-08-12 09:44:09
問題Drop Char
ユーザーtekihei2317
ステータスAccepted
テストケース
import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  // @ts-expect-error
  Expect<Equal<DropChar<'butter fly!', ''>, 'butterfly!'>>,
  Expect<Equal<DropChar<'butter fly!', ' '>, 'butterfly!'>>,
  Expect<Equal<DropChar<'butter fly!', '!'>, 'butter fly'>>,
  Expect<Equal<DropChar<'    butter fly!        ', ' '>, 'butterfly!'>>,
  Expect<Equal<DropChar<' b u t t e r f l y ! ', ' '>, 'butterfly!'>>,
  Expect<Equal<DropChar<' b u t t e r f l y ! ', 'b'>, '  u t t e r f l y ! '>>,
  Expect<Equal<DropChar<' b u t t e r f l y ! ', 't'>, ' b u   e r f l y ! '>>,
]