It's mostly unrelated. Mercury is a collection of libraries together which can be used as a framework. The most comparable subcomponent of mercury to deku is v

It's mostly unrelated. Mercury is a collection of libraries together which can be used as a framework. The most comparable subcomponent of mercury to deku is virtual-dom. Comparing virtual-dom and deku is pretty simple: v-d is not "component based" and has no internal state management.