Function downloadFile

downloadFile(url: string): Promise<string>
Downloads a file from a URL using HTTPS. Automatically handles HTTP redirects (301, 302).
Parameters
- url: string
  The URL to download from
Returns Promise<string>
The downloaded file content as a string
Throws
If download fails or HTTP status is not 200/301/302
Example
```
const testlibContent = await downloadFile(
  'https://raw.githubusercontent.com/MikeMirzayanov/testlib/master/testlib.h'
);
fs.writeFileSync('testlib.h', testlibContent);
```
- Defined in helpers/testlib-download.ts:23