import { IconizzaIcon } from '@iconizza/types';
import { IconizzaIconName } from '@iconizza/utils/lib/icon/name';

/**
 * Function to abort loading (usually just removes callback because loading is already in progress)
 */
type IconizzaIconLoaderAbort = () => void;
/**
 * Loader callback
 *
 * Provides list of icons that have been loaded
 */
type IconizzaIconLoaderCallback = (loaded: IconizzaIconName[], missing: IconizzaIconName[], pending: IconizzaIconName[], unsubscribe: IconizzaIconLoaderAbort) => void;
/**
 * Function to load icons
 */
type IconizzaLoadIcons = (icons: (IconizzaIconName | string)[], callback?: IconizzaIconLoaderCallback) => IconizzaIconLoaderAbort;
/**
 * Function to check if icon is pending
 */
type IsPending = (icon: IconizzaIconName) => boolean;
/**
 * Check if icon is being loaded
 */
declare const isPending: IsPending;
/**
 * Load icons
 */
declare const loadIcons: IconizzaLoadIcons;
/**
 * Load one icon using Promise
 */
declare const loadIcon: (icon: IconizzaIconName | string) => Promise<Required<IconizzaIcon>>;

export { IconizzaIconLoaderAbort, IconizzaIconLoaderCallback, IconizzaLoadIcons, IsPending, isPending, loadIcon, loadIcons };