animare/lib/typescript/preact/useAutoPause.d.ts

Advanced animation library for modern JavaScript.

/// <reference types="react" />
import type { AutoPauseOptions, GroupTimelineObject, SingleObject, TimelineObject } from '../types';
/**
 * Automatically pauses the animation when the element is not visible.
 *
 * Uses the IntersectionObserver API.
 *
 * Plays the timeline when the element becomes visible, even if the timeline was not playing before.
 *
 * Pauses the timeline when the element is not visible.
 *
 * @param timeline - The animation object returned by animare.
 * @param element - The HTML element to track when entering and exiting the viewport.
 * @param deps - The dependencies for the effect.
 * @returns A function to remove the intersection observer and stop tracking visibility.
 *
 * @example
 * import animare from 'animare';
 * import { useAnimare, useAutoPause } from 'animare/react';
 *
 * function MyComponent() {
 *   // The element to track when entering and exiting the viewport
 *   const elementRef = useRef(null);
 *
 *   const myTimeline = useAnimare(() => {
 *     return animare.timeline(...params);
 *   });
 *
 *   useAutoPause(myTimeline, elementRef.current, []);
 *
 *   // or you can pass in the observer options
 *   useAutoPause(myTimeline, elementRef.current, { threshold: 0.2 }, []);
 * }
 * }
 */
export declare function useAutoPause<Name extends string>(timeline: TimelineObject<Name> | GroupTimelineObject | SingleObject, element: Element | null, deps?: React.DependencyList): void;
export declare function useAutoPause<Name extends string>(timeline: TimelineObject<Name> | GroupTimelineObject | SingleObject, element: Element | null, observerOptions?: AutoPauseOptions, deps?: React.DependencyList): void;
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