SqlWeb is an extension of JsStore which allows to use sql query for performing database operation in IndexedDB.
For developers who love sql or still are using WebSql (which is deprecated) - SqlWeb will be the solution. Its easy to learn & then very easy to implement.
SqlWeb docs are available at - https://github.com/ujjwalguptaofficial/sqlweb/wiki/
But i will recommend you to take a look at Get started page - https://github.com/ujjwalguptaofficial/sqlweb/wiki/Get-Started
SqlWeb provides examples for different tools & scenario :-