How does this function validate its input — does it throw on bad arguments?

Question

RepoPilot · Accepted Answer

Yes, the function does validate its input and throws on bad arguments.

In [index.js:L2-L4], the function checks the input type:

```javascript
if (typeof string !== 'string') {
    throw new TypeError('Expected a string');
}
```

If you pass anything that isn't a string to `escapeStringRegexp()`, it will throw a `TypeError` with the message "Expected a string". This ensures the function only processes string values, since the regex replacements that follow depend on string methods.

FOLLOW_UPS:
- What special characters does the function escape?
- Why does the function use `\x2d` for hyphens?
- Can you show an example of the escaped output?