Alex Peattie

+1, this would be fantastic to have

As an alternative to writing a custom `renderToHtml` function: since v0.2.3 each line is wrapped in a `` which makes it quite easy to do line numbering using [CSS counters](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Lists_and_Counters/Using_CSS_counters)....

I don't know if there's an advantage to switching from `greadlink` to `realpath`, but I think we should keep the `if` statement with a message about installing `coreutils` for users...

~Revisiting this again @LdBeth - I'm not sure that changing the `if` to checking `command -v realpath` is right, because `realpath` is present by default on macOS, just not the...

Just a quick note that I think this issue will become more pressing as more popular libraries move over to being ESM only. One example I ran into recently is...

+1 to #129 :smile: :+1: