Percentage Parser
提出詳細
type Prefix<S> = S extends "+" | "-" ? S : never type Suffix<S> = S extends `${infer N}%` ? [N, "%"] : [S, ""] type PercentageParser<A extends string> = A extends `${Prefix<infer L>}${infer R}` ? [L, ...Suffix<R>] : ["", ...Suffix<A>]
| 提出日時 | 2024-09-10 17:14:15 |
|---|---|
| 問題 | Percentage Parser |
| ユーザー | ookkoouu |
| ステータス | Accepted |
import type { Equal, Expect } from '@type-challenges/utils' type Case0 = ['', '', ''] type Case1 = ['+', '', ''] type Case2 = ['+', '1', ''] type Case3 = ['+', '100', ''] type Case4 = ['+', '100', '%'] type Case5 = ['', '100', '%'] type Case6 = ['-', '100', '%'] type Case7 = ['-', '100', ''] type Case8 = ['-', '1', ''] type Case9 = ['', '', '%'] type Case10 = ['', '1', ''] type Case11 = ['', '100', ''] type cases = [ Expect<Equal<PercentageParser<''>, Case0>>, Expect<Equal<PercentageParser<'+'>, Case1>>, Expect<Equal<PercentageParser<'+1'>, Case2>>, Expect<Equal<PercentageParser<'+100'>, Case3>>, Expect<Equal<PercentageParser<'+100%'>, Case4>>, Expect<Equal<PercentageParser<'100%'>, Case5>>, Expect<Equal<PercentageParser<'-100%'>, Case6>>, Expect<Equal<PercentageParser<'-100'>, Case7>>, Expect<Equal<PercentageParser<'-1'>, Case8>>, Expect<Equal<PercentageParser<'%'>, Case9>>, Expect<Equal<PercentageParser<'1'>, Case10>>, Expect<Equal<PercentageParser<'100'>, Case11>>, ]