Examine the existing masks (e.g., phone, CEP) in the src directory to understand the pattern for adding new masks. Look for a mask factory or directive that could be extended. Check comments in the issue for any additional requirements. Since this is a feature request with no prior work, creating a date time mask involves implementing a new mask pattern similar to existing ones.
Create date time mask · assisrafael/angular-input-masks#128 | Good First Issue