Keeping state in ECMAScript rules in OH3?

[Andrew_Rowe]

@Frenchman

I could I guess use one Item per light (I have four or five of them) I guess, right?

Yes

@Frenchman

but that’ll clutter my Items view just for some rule internal.

who cares? I mean I get what you are saying but it doesn’t really cost anything and is kind of an OpenHAB way of doing stuff

Design Pattern: Unbound Item (aka Virtual Item)

Problem Statement Sometimes one needs to create a flag, control, switch, or some other control that is not bound to a device or channel. For example, a Switch to override presence detection. Concept Create an Item that does not have a binding configuration. Simple Example Switch VirtualItem "label" <icon> (groups) // No binding config See the Sensor Aggregation Design Pattern for a more complicated example. The Virtual Item is Override_Presence in that example. Advantages and Limitations V…