Flutter printing: ^5.12.0 package is not working offline or when on local network

[salvinjose]

The flutter printing package is not working - i.e. not rendering pdf images to view on local / offline network

tried the options provided in the documentation

added the pdf version and the path in index.htm file of but still not working - the viewer launches and just shows a loader

<script> var dartPdfJsVersion = "3.2.146"; </script>

and

<script> var dartPdfJsBaseUrl = "assets/js/pdf/3.2.146/"; </script>

How do we make the package work offine to view pdf files