612 - KebabCase

612 - KebabCase

by Johnson Chu (@johnsoncodehk) #中等 #template-literal

题目

Replace the camelCase or PascalCase string with kebab-case.

FooBarBaz -> foo-bar-baz

For example

type FooBarBaz = KebabCase<"FooBarBaz">
const foobarbaz: FooBarBaz = "foo-bar-baz"

type DoNothing = KebabCase<"do-nothing">
const doNothing: DoNothing = "do-nothing"

在 Github 上查看：https://tsch.js.org/612/zh-CN

代码

/* _____________ 你的代码 _____________ */

type KebabCase<S> = S extends `${infer L}${infer R}` ? R extends Uncapitalize<R> ? `${Lowercase<L>}${KebabCase<R>}` : `${Lowercase<L>}-${KebabCase<R>}` : S

测试用例

/* _____________ 测试用例 _____________ */
import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<KebabCase<'FooBarBaz'>, 'foo-bar-baz'>>,
  Expect<Equal<KebabCase<'fooBarBaz'>, 'foo-bar-baz'>>,
  Expect<Equal<KebabCase<'foo-bar'>, 'foo-bar'>>,
  Expect<Equal<KebabCase<'foo_bar'>, 'foo_bar'>>,
  Expect<Equal<KebabCase<'Foo-Bar'>, 'foo--bar'>>,
  Expect<Equal<KebabCase<'ABC'>, 'a-b-c'>>,
  Expect<Equal<KebabCase<'-'>, '-'>>,
  Expect<Equal<KebabCase<''>, ''>>,
  Expect<Equal<KebabCase<'😎'>, '😎'>>,
]

相关链接

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