It's probably not too hard to include in Espruino itself - It'll just be a matter of changing the SPI comms functions from Arduino to Espruino (you could even make a wrapper library for that) and then handling timing
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.
It's probably not too hard to include in Espruino itself - It'll just be a matter of changing the SPI comms functions from Arduino to Espruino (you could even make a wrapper library for that) and then handling timing