I'd like to ask for a demo which utilizes the most up to date approach to creating a Kendo UI Grid using NPM, TypeScript, and in a SharePoint 2019 with a Gulp serve environment. Thank you for your consideration!
For more information on using the components with NPM please refer to the article below:
More details on using Kendo and SharePoint together is available below:
Regarding TypeScript please refer to this article:
I hope this information proves helpful to you.