Function extractFeedDiscovery

extractFeedDiscovery(
doc: Document,
documentUrl?: string | URL,
): FeedDiscoveryMetadata
Extract feed discovery metadata from parsed HTML document.
Parameters
- doc: Document
  Parsed HTML document
- OptionaldocumentUrl: string | URL
  Optional document URL for generating absolute feed suggestions
Returns FeedDiscoveryMetadata
Feed discovery metadata
Remarks
Finds all feeds declared in tags and generates suggestions for common feed URL patterns.
Example
```
const doc = parseHTML(htmlString);
const feeds = extractFeedDiscovery(doc, 'https://example.com');
console.log(feeds.feeds); // Discovered feeds
console.log(feeds.suggestions); // Suggested feed URLs
```
- Defined in src/metadata/feed-discovery/extract.ts:34