This is from the readme...
espruino --board PUCKJS --minify mycode.js -o output.js
Then you could use nc or similar to send output.js to the telnet port...
nc
@Wilberforce 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.
This is from the readme...
espruino --board PUCKJS --minify mycode.js -o output.js
Then you could use
nc
or similar to send output.js to the telnet port...