This tool allow you to export almost all of your posts and pages contents (including comments) from a WordPress blog, to be used on Jekyll with Staticman (v2).
npm i wordpress2jekyll -g
First, emport all data from WordPress with the built-in export tool (Tool > Export), then launch this command:
wp2jekyll {{ xml file }} {{ folder for comments }}
Example:
wp2jekyll myblog.xml /my/folder
MIT