estimateReadingTime function
Estimate the reading time for markdown content.
Implementation
Duration estimateReadingTime(String markdown, {int wordsPerMinute = 200}) {
final plainText = stripMarkdown(markdown);
final wordCount = plainText.split(RegExp(r'\s+')).length;
final minutes = wordCount / wordsPerMinute;
return Duration(seconds: (minutes * 60).round());
}