@polar/lib-invisible-style/index.ts

Provides semantic styling for elements to remove visiblity from them in a detectable fashion that adds programmatic semantics, i.e. whether an element should be considered as visible or not to the user and should hence appear (or be considered) in user in

import Style from 'ol/style/Style'
import { Feature } from 'ol'

export const InvisibleStyle = new Style()
export const isInvisible = (feature: Feature): boolean =>
  feature.getStyle() === InvisibleStyle
export const isVisible = (feature: Feature): boolean =>
  feature.getStyle() !== InvisibleStyle