Function keepOpen

keepOpen(elementHierarchy: Element[]): boolean
Evaluates if at least one of the configured elements to keep the balloon open for is part of the given element hierarchy.
Parameters
- elementHierarchy: Element[]
  the element hierarchy to check if it contains one of the configured element ids or classes.
Returns boolean
- Defined in packages/ckeditor5-coremedia-link/src/contentlink/LinkBalloonConfig.ts:88