visitor-pattern-usage

Customizing HTML to Markdown conversion uses a visitor pattern to intercept specific HTML node types. Developers define custom behaviors for elements like code blocks or links by implementing visitor logic, allowing them to override default conversion or provide entirely custom Markdown output.

The visitor pattern for HTML to Markdown conversion provides extensible hooks that allow developers to define custom logic for over 60 HTML element types. It intercepts the conversion pipeline to modify the handling of specific HTML elements like headings, images, and lists.

Asynchronous visitors are supported during HTML to Markdown conversion. The implementation accommodates both synchronous and asynchronous visitor patterns, allowing developers to handle I/O-bound operations or remote data fetching within their custom node handling logic.

To start customizing HTML to Markdown conversion, implement the `HtmlVisitor` trait and pass an instance to the `convert_with_visitor` function. This allows you to define specific behaviors for various HTML node types within the conversion pipeline.

The HTML to Markdown visitor pattern supports skipping elements entirely. Developers can override default conversion, skip elements, or provide entirely custom Markdown output for any of the over 60 supported HTML element types.