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外观

CamelCase

约 156 字小于 1 分钟

2026-02-11

题目

实现 CamelCase<T> ，将 snake_case 类型的表示的字符串转换为 camelCase 的表示方式。

例如

type camelCase1 = CamelCase<"hello_world_with_types"> // 预期为 'helloWorldWithTypes'
type camelCase2 = CamelCase<"HELLO_WORLD_WITH_TYPES"> // 期望与前一个相同

解题思路

待补充

答案

type CamelCase<S extends string> = any

验证

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

type cases = [
  Expect<Equal<CamelCase<'foobar'>, 'foobar'>>,
  Expect<Equal<CamelCase<'FOOBAR'>, 'foobar'>>,
  Expect<Equal<CamelCase<'foo_bar'>, 'fooBar'>>,
  Expect<Equal<CamelCase<'foo__bar'>, 'foo_Bar'>>,
  Expect<Equal<CamelCase<'foo_$bar'>, 'foo_$bar'>>,
  Expect<Equal<CamelCase<'foo_bar_'>, 'fooBar_'>>,
  Expect<Equal<CamelCase<'foo_bar__'>, 'fooBar__'>>,
  Expect<Equal<CamelCase<'foo_bar_$'>, 'fooBar_$'>>,
  Expect<Equal<CamelCase<'foo_bar_hello_world'>, 'fooBarHelloWorld'>>,
  Expect<Equal<CamelCase<'HELLO_WORLD_WITH_TYPES'>, 'helloWorldWithTypes'>>,
  Expect<Equal<CamelCase<'-'>, '-'>>,
  Expect<Equal<CamelCase<''>, ''>>,
  Expect<Equal<CamelCase<'😎'>, '😎'>>,
]

参考

无