Function camelCase

camelCase(str: string): string
Convert string to camelCase

将字符串转换为驼峰命名法
Parameters
- str: string
  The string to convert. 要转换的字符串
Returns string
The string in camelCase. 驼峰命名法格式的字符串
Example
```
camelCase('foo bar') // => fooBar
camelCase('foo-bar') // => fooBar
```
- Defined in src/string/camel-case.ts:20