Yes, it's definitely possible, and it's not against the philosophy of Espruino. I think if it'd been easy to do when I started out I'd have added the ability - but Espruino parts generally have a bit less memory than micro python (Espruino doesn't need so much RAM), and that can make devoting a bunch of flash memory to a flash disk a bit tricky.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Yes, it's definitely possible, and it's not against the philosophy of Espruino. I think if it'd been easy to do when I started out I'd have added the ability - but Espruino parts generally have a bit less memory than micro python (Espruino doesn't need so much RAM), and that can make devoting a bunch of flash memory to a flash disk a bit tricky.