OverlayScrollbars/packages/overlayscrollbars/src/setups/structureSetup/structureSetup.initialization.ts

import type {
  InitializationTargetElement,
  StaticInitializationElement,
  DynamicInitializationElement,
} from 'initialization';

export type StructureStaticInitializationElement = StaticInitializationElement<
  [target: InitializationTargetElement]
>;

export type StructureDynamicInitializationElement = DynamicInitializationElement<
  [target: InitializationTargetElement]
>;

/**
 * Object for special initialization.
 *
 * Target is always required, if element is not provided or undefined it will be generated.
 *
 * If element is provided, the provided element takes all its responsibilities.
 * DOM hierarchy isn't checked in this case, its assumed that hieararchy is correct in such a case.
 *
 * undefined means that the default initialization strategy is used.
 */
export interface StructureInitialization {
  host: StructureStaticInitializationElement; // only relevant for textarea
  viewport: StructureStaticInitializationElement;
  padding: StructureDynamicInitializationElement;
  content: StructureDynamicInitializationElement;
}