Function cutZHString

cutZHString(
    str: string | null | undefined,
    len: number,
    options?: { dotText?: string; hasDot?: boolean },
): string
Truncate a string by weighted length, counting non-ASCII characters as two units.

Usage:
```
import { cutZHString } from "mazey";

const ret = cutZHString("hello world", 5);
console.log(ret);
```
Output:
```
hello
```
Parameters
- str: string | null | undefined
  String to truncate.
- len: number
  Maximum weighted length.
- options: { dotText?: string; hasDot?: boolean } = ...
  - OptionaldotText?: string
    
    Text appended when truncation occurs.
  - OptionalhasDot?: boolean
    
    Whether to append truncation text.
Returns string
The truncated string.
- Defined in util.ts:1457