Ephemeral GPU-side feature-state (sync badge, hover, selection). Applied via
map.setFeatureState() and therefore requiring promoteId on the source; it
is cleared by any source data rebuild (setData/updateLayerData), so a
durable flag must also be baked on the feature property (see patchFeature).
Ephemeral GPU-side feature-state (sync badge, hover, selection). Applied via
map.setFeatureState()and therefore requiringpromoteIdon the source; it is cleared by any source data rebuild (setData/updateLayerData), so a durable flag must also be baked on the feature property (seepatchFeature).