Function resolveElement

src/aria/private/utils/element-resolver.ts:20–28

(
  resolver: ElementResolver<T>,
  context: HTMLElement,
)

/** Evaluates an ElementResolver to return the underlying DOM element, or undefined. */
export function resolveElement<T = HTMLElement>(
  resolver: ElementResolver<T>,
  context: HTMLElement,
): T | undefined {
  if (typeof resolver === 'function') {
    return (resolver as Function)(context) ?? undefined;
  }
  return (resolver instanceof ElementRef ? resolver.nativeElement : resolver) ?? undefined;
}