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Trim

提出詳細

type Space = ' ' | '\n' | '\t';
type Trim<S extends string> = S extends `${Space}${infer Rest}` | `${infer Rest}${Space}` ? Trim<Rest> : S
提出日時2022-07-16 01:39:53
問題Trim
ユーザーaa-0921
ステータスAccepted
テストケース
import type { Equal, Expect } from '@type-challenges/utils'

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