import { Feature, createAnimationState, isAnimationControls } from 'motion-dom';

class AnimationFeature extends Feature {
    /**
     * We dynamically generate the AnimationState manager as it contains a reference
     * to the underlying animation library. We only want to load that if we load this,
     * so people can optionally code split it out using the `m` component.
     */
    constructor(node) {
        super(node);
        node.animationState || (node.animationState = createAnimationState(node));
    }
    updateAnimationControlsSubscription() {
        const { animate } = this.node.getProps();
        if (isAnimationControls(animate)) {
            this.unmountControls = animate.subscribe(this.node);
        }
    }
    /**
     * Subscribe any provided AnimationControls to the component's VisualElement
     */
    mount() {
        this.updateAnimationControlsSubscription();
    }
    update() {
        const { animate } = this.node.getProps();
        const { animate: prevAnimate } = this.node.prevProps || {};
        if (animate !== prevAnimate) {
            this.updateAnimationControlsSubscription();
        }
    }
    unmount() {
        this.node.animationState.reset();
        this.unmountControls?.();
    }
}

export { AnimationFeature };
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