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Trim

提出詳細

type TrimTarget = " " | "\n" | "\t"
type Trim<T extends string> = T extends `${TrimTarget}${infer Tail}` ? Trim<Tail> : T extends `${infer Head}${TrimTarget}` ? Trim<Head> : T
提出日時2023-05-03 04:53:13
問題Trim
ユーザーDowanna
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 '>, ''>>,
]