@gullerya/object-observer
object-observer utility provides simple means to (deeply) observe specified object/array changes; implemented via native Proxy; changes delivered in a synchronous way
@webqit/observer
A simple set of functions for intercepting and observing JavaScript objects and arrays.
james-bond
Hire James Bond to deeply observe your (object) targets.
xobject-observe
A cross-browser object property observer uses ES6 proxy underneath and with fallback on dirty-checking