PS also this may help https://www.espruino.com/ESP32 section Espruino Web IDE
@SimonGAndrews 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.
PS also this may help
https://www.espruino.com/ESP32
section Espruino Web IDE