The code to add deep sleep is not that much: https://gitter.im/espruino/Espruino?at=569ef56759e3d04215bcc49b I haven't committed it to my fork nor built a binary with it, however.
@tve started
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.
The code to add deep sleep is not that much: https://gitter.im/espruino/Espruino?at=569ef56759e3d04215bcc49b
I haven't committed it to my fork nor built a binary with it, however.