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Trim Right

提出詳細

type TrimRight<
  S extends string,
  Acc extends string = S
> = S extends `${infer A}${' '}` | `${infer A}\n` | `${infer A}\t` ? TrimRight<Acc,`${A}`> : Acc
提出日時2025-09-16 08:12:34
問題Trim Right
ユーザーbalckowl
ステータスAccepted
テストケース
import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<TrimRight<'str'>, 'str'>>,
  Expect<Equal<TrimRight<'str '>, 'str'>>,
  Expect<Equal<TrimRight<'str     '>, 'str'>>,
  Expect<Equal<TrimRight<'     str     '>, '     str'>>,
  Expect<Equal<TrimRight<'   foo bar  \n\t '>, '   foo bar'>>,
  Expect<Equal<TrimRight<''>, ''>>,
  Expect<Equal<TrimRight<'\n\t '>, ''>>,
]