@exadel/esl/modules/esl-utils/async/promise/event.d.ts

Exadel Smart Library (ESL) is the lightweight custom elements library that provide a set of super-flexible components

/** Interface to describe abstract listenable target */
export type ListenableTarget = {
    addEventListener: (event: string, callback: (payload: any) => void, options?: boolean | AddEventListenerOptions | undefined) => void;
    removeEventListener: (event: string, callback: (payload: any) => void, options?: boolean | AddEventListenerOptions | undefined) => void;
};
/**
 * @returns Promise that will be resolved by dispatching `event` on `target`
 * Or it will be rejected in `timeout` if it's specified
 * Optional `options` for addEventListener can be also specified
 */
export declare function promisifyEvent(target: ListenableTarget, event: string, timeout?: number | null | undefined, options?: boolean | AddEventListenerOptions): Promise<Event>;
/**
 * Short helper to make Promise from element state marker
 * @returns Promise that will be resolved if the target `marker` property is truthful or `event` is dispatched
 * @example
 * `const imgReady = promisifyMarker(eslImage, 'ready');`
 */
export declare function promisifyMarker(target: HTMLElement, marker: string, event?: string): Promise<HTMLElement>;