Improved knockout observables management to prevent memory leaks

dev/External/ko.js

@@ -262,4 +262,19 @@ ko.observable.fn.deleteAccessHelper = function() {
 	return this;
 };
 
+ko.addObservablesTo = (target, observables) => {
+	Object.entries(observables).forEach(([key, value]) => target[key] = ko.observable(value) );
+/*
+	Object.entries(observables).forEach(([key, value]) =>
+		target[key] = Array.isArray(value) ? ko.observableArray(value) : ko.observable(value)
+	);
+*/
+};
+
+ko.addComputablesTo = (target, computables) =>
+	Object.entries(computables).forEach(([key, fn]) => target[key] = ko.computed(fn));
+
+ko.addSubscribablesTo = (target, subscribables) =>
+	Object.entries(subscribables).forEach(([key, fn]) => target[key].subscribe(fn));
+
 export default ko;