To perform CRUD SPonprem lists using React with PNPjs SPFx

Question

I would like to create a webpart(Form) where user can feed the input and those data i have to save it in sharepoint list.

I want to perform CRUD operation using React Framework with pnp.js in SharePoint 2016 onprem.

SPFx,

React framework,

pnp.js,

SharePoint list

Do you have any simple examples I can look at and test on SharePoint 2016 to help me to get familiarized with this new concept.

I have searched in github but i couldnt find the right solution. Please help me.