Function toggleVisibility

src/cdk/drag-drop/dom/styling.ts:71–86

(
  element: HTMLElement,
  enable: boolean,
  importantProperties?: Set<string>,
)

 * @docs-private
 */
export function toggleVisibility(
  element: HTMLElement,
  enable: boolean,
  importantProperties?: Set<string>,
) {
  extendStyles(
    element.style,
    {
      position: enable ? '' : 'fixed',
      top: enable ? '' : '0',
      opacity: enable ? '' : '0',
      left: enable ? '' : '-999em',
    },
    importantProperties,
  );
}

/**
 * Combines a transform string with an optional other transform