import { O } from "deka-dom-el/observables"; const observable= O(0); // computation pattern const double= O(()=> 2*observable()); const ac= new AbortController(); O.on(observable, v=> console.log("observable", v), { signal: ac.signal }); O.on(double, v=> console.log("double", v), { signal: ac.signal }); observable(observable()+1); const interval= 5 * 1000; const id= setInterval(()=> observable(observable()+1), interval); ac.signal.addEventListener("abort", ()=> setTimeout(()=> clearInterval(id), 2*interval)); setTimeout(()=> ac.abort(), 3*interval)