It doesn't look horribly complicated to add. It seems that we would have to add a new property to the configuration of the parameters as an access point. From what I can see, the ESP8266 API does support the functional capability so really what would be required would be exposing that through 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.
Looking at the source code, it doesn't appear to be implemented. This is where it should be:
https://github.com/espruino/Espruino/blob/master/libs/network/esp8266/jswrap_esp8266_network.c#L704
It doesn't look horribly complicated to add. It seems that we would have to add a new property to the configuration of the parameters as an access point. From what I can see, the ESP8266 API does support the functional capability so really what would be required would be exposing that through Espruino.