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Trim Left

提出詳細

type Trimable = " " | "\n" | "\t"
type TrimLeft<S extends string> = S extends `${Trimable}${infer Tail}` ? TrimLeft<Tail>:S;
提出日時2022-06-27 12:00:10
問題Trim Left
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<TrimLeft<'str'>, 'str'>>,
  Expect<Equal<TrimLeft<' str'>, 'str'>>,
  Expect<Equal<TrimLeft<'     str'>, 'str'>>,
  Expect<Equal<TrimLeft<'     str     '>, 'str     '>>,
  Expect<Equal<TrimLeft<'   \n\t foo bar '>, 'foo bar '>>,
  Expect<Equal<TrimLeft<''>, ''>>,
  Expect<Equal<TrimLeft<' \n\t'>, ''>>,
]