// Data attribute names used by base icons for CSS targeting.
// The shipped base.css file uses these attribute selectors for styling.
/** Base data attribute applied to all icons (SVG and font). */
export const DATA_FUI_ICON = 'data-fui-icon';
/** Data attribute applied to icons that should flip in RTL text direction. */
export const DATA_FUI_ICON_RTL = 'data-fui-icon-rtl';
/** Data attribute applied to the inactive variant in a bundled icon pair. */
export const DATA_FUI_ICON_HIDDEN = 'data-fui-icon-hidden';
/** Data attribute for font icon font-family variant selection (filled|regular|resizable|light). */
export const DATA_FUI_ICON_FONT = 'data-fui-icon-font';
// Re-export existing constants (CSS class names for consumer targeting)
export { iconClassName, iconFilledClassName, iconRegularClassName, iconLightClassName, iconColorClassName, fontIconClassName, } from '../utils/constants';
/**
 * Joins class name strings, filtering out falsy values.
 */
export function cx(...classes) {
    const result = classes.filter(Boolean).join(' ');
    return result || undefined;
}