Rollup improvement

[ardguezsoc]

Is your feature request related to a problem? Please describe.

The current rollup probably it is not perfect and it could have some ways to be optimised and refactored.

Describe the solution you'd like

We would like to receive some feedback an updates from our current rollup to have a better version of the package. Maybe how to implement lazy loading inside the library if it is possible

Useful links: https://rollupjs.org/