Extracts the hostname from a given URL.
If the URL is undefined or starts with 'file:', it returns the URL as is.
Otherwise, it extracts the hostname by splitting the URL and removing any 'www.' prefix.
Parameters
url: string
The URL from which to extract the hostname. It's like fishing for the main catch!
Returns string
The extracted hostname. Agar kuch nahi mila, toh khud ko mat blame karo!
Extracts the hostname from a given URL. If the URL is undefined or starts with 'file:', it returns the URL as is. Otherwise, it extracts the hostname by splitting the URL and removing any 'www.' prefix.