CDN validation feature with unexpected result

[vagrantsn]

Description

The validate function of the CDN returns true when passed an empty credit card number. I tested with the pagarme.min.js generated by the build script, and it worked as expected. Maybe the CDN version is outdated?

• [x] I have tested with the latest version
• [x] I can simulate the issue easily

Here is a pen demonstrating the issue.

Current Behavior

validate function returns true when passed an empty credit card number.

Expected Behavior

Should return false for empty values such as ''.