Check HTML and XML files for strings containing "Invalid DateTime" from failed/malformed DateTime formatting.
Adapted from the check-html-links package.
Warning
This package is still a work in progress.
npm i -D @chrisburnell/check-invalid-datetimes
npx @chrisburnell/check-invalid-datetimes _site
See more at https://chrisburnell.com/check-invalid-datetimes/.