I’ve read the code of the last stable release of the processing.js library and, as I imagined, since the port is port of the "processing" programming language, there is no sign of support of pointer-events, which would be useful in web sketches.
After a long search I found a series of tutorials on the channel9 website (http://channel9.msdn.com/Series/Sketchbooktutorial) called "Creative Coding with Processing.js for Windows 8 JavaScript applications". They use a custom version of the library: it is called processing_rt and it supports the following events
pointerDown, pointerMove, pointerUp, pointerCancel, pointerOver, pointerOut
Is there another, less custom version of the processing.js library that implements these events? If not, would it be "production-safe" to use the processing_rt library?
No.
No.