As @John says - I think the heatshrink-js build is what you want. It should be compatible with Node.js and it's the exact same algorithm and settings used for Espruino
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.
As @John says - I think the heatshrink-js build is what you want. It should be compatible with Node.js and it's the exact same algorithm and settings used for Espruino