type-challenges-judge

Type Challenges Judge

Problems

Progress

Capitalize Words

提出詳細

type Char = "q" | "w" | "e" | "r" | "t" | "y" | "u" | "i" | "o" | "p" | "a" | "s" | "d" | "f" | "g" | "h" | "j" | "k" | "l" | "z" | "x" | "c" | "v" | "b" | "n" | "m"
type CapitalizeWords<T extends string, Acc extends string = "", Res extends string = ""> =
  T extends `${infer L}${infer R}`
  ? L extends Char
  ? CapitalizeWords<R, `${Acc}${L}`, Res>
  : CapitalizeWords<R, "", `${Res}${Capitalize<Acc>}${L}`>
  : `${Res}${Capitalize<Acc>}`

提出日時	2024-09-12 15:14:39
問題	Capitalize Words
ユーザー	ookkoouu
ステータス	Accepted

テストケース

import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<CapitalizeWords<'foobar'>, 'Foobar'>>,
  Expect<Equal<CapitalizeWords<'FOOBAR'>, 'FOOBAR'>>,
  Expect<Equal<CapitalizeWords<'foo bar'>, 'Foo Bar'>>,
  Expect<Equal<CapitalizeWords<'foo bar hello world'>, 'Foo Bar Hello World'>>,
  Expect<Equal<CapitalizeWords<'foo bar.hello,world'>, 'Foo Bar.Hello,World'>>,
  Expect<Equal<CapitalizeWords<''>, ''>>,
]