kyoncy
**What**: Fix #2478 > When using the ignoreFlag for `nth-child` being potentially unsafe with server rendering, the first instance of the flag works while the second does not (workaround provided)....
Automatically convert URL, mail address, phone number to links.
## Why need refactoring When I add `hyperlinkPrefix` in https://github.com/kyoncy/react-markdown-heading/pull/21/, I thought "There are too many function dependencies..." For instance - `ReactMarkdownHeading` component depends on `parseHeadingText`. - `parseHeadingText` depends on...