Node's event loop is inherently cooperative multitasking. It's not trivial to simulate preemptive multitasking without writing/compiling your code to giant stat

Node's event loop is inherently cooperative multitasking. It's not trivial to simulate preemptive multitasking without writing/compiling your code to giant state machines. There are different use cases for the two, especially since any CPU-bound task performed in the event loop will cause stuttering in your app.