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Trim Right

提出詳細

type Trimable = " " | "\n" | "\t";
type TrimRight<S extends string> = S extends `${infer Tail}${Trimable}` ? TrimRight<Tail>:S;
提出日時2022-06-27 12:31:45
問題Trim Right
ユーザーwaki285
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 '>, ''>>,
]