'use strict';

var motionDom = require('motion-dom');
var React = require('react');
var jsxRuntime = require('react/jsx-runtime');
var motionUtils = require('motion-utils');

const LayoutGroupContext = React.createContext({});

/**
 * Creates a constant value over the lifecycle of a component.
 *
 * Even if `useMemo` is provided an empty array as its final argument, it doesn't offer
 * a guarantee that it won't re-run for performance reasons later on. By using `useConstant`
 * you can ensure that initialisers don't execute twice or more.
 */
function useConstant(init) {
    const ref = React.useRef(null);
    if (ref.current === null) {
        ref.current = init();
    }
    return ref.current;
}

const isBrowser = typeof window !== "undefined";

const useIsomorphicLayoutEffect = isBrowser ? React.useLayoutEffect : React.useEffect;

/**
 * @public
 */
const PresenceContext = 
/* @__PURE__ */ React.createContext(null);

/**
 * @public
 */
const MotionConfigContext = React.createContext({
    transformPagePoint: (p) => p,
    isStatic: false,
    reducedMotion: "never",
});

/**
 * When a component is the child of `AnimatePresence`, it can use `usePresence`
 * to access information about whether it's still present in the React tree.
 *
 * ```jsx
 * import { usePresence } from "framer-motion"
 *
 * export const Component = () => {
 *   const [isPresent, safeToRemove] = usePresence()
 *
 *   useEffect(() => {
 *     !isPresent && setTimeout(safeToRemove, 1000)
 *   }, [isPresent])
 *
 *   return <div />
 * }
 * ```
 *
 * If `isPresent` is `false`, it means that a component has been removed from the tree,
 * but `AnimatePresence` won't really remove it until `safeToRemove` has been called.
 *
 * @public
 */
function usePresence(subscribe = true) {
    const context = React.useContext(PresenceContext);
    if (context === null)
        return [true, null];
    const { isPresent, onExitComplete, register } = context;
    // It's safe to call the following hooks conditionally (after an early return) because the context will always
    // either be null or non-null for the lifespan of the component.
    const id = React.useId();
    React.useEffect(() => {
        if (subscribe) {
            return register(id);
        }
    }, [subscribe]);
    const safeToRemove = React.useCallback(() => subscribe && onExitComplete && onExitComplete(id), [id, onExitComplete, subscribe]);
    return !isPresent && onExitComplete ? [false, safeToRemove] : [true];
}
/**
 * Similar to `usePresence`, except `useIsPresent` simply returns whether or not the component is present.
 * There is no `safeToRemove` function.
 *
 * ```jsx
 * import { useIsPresent } from "framer-motion"
 *
 * export const Component = () => {
 *   const isPresent = useIsPresent()
 *
 *   useEffect(() => {
 *     !isPresent && console.log("I've been removed!")
 *   }, [isPresent])
 *
 *   return <div />
 * }
 * ```
 *
 * @public
 */
function useIsPresent() {
    return isPresent(React.useContext(PresenceContext));
}
function isPresent(context) {
    return context === null ? true : context.isPresent;
}

const LazyContext = React.createContext({ strict: false });

const featureProps = {
    animation: [
        "animate",
        "variants",
        "whileHover",
        "whileTap",
        "exit",
        "whileInView",
        "whileFocus",
        "whileDrag",
    ],
    exit: ["exit"],
    drag: ["drag", "dragControls"],
    focus: ["whileFocus"],
    hover: ["whileHover", "onHoverStart", "onHoverEnd"],
    tap: ["whileTap", "onTap", "onTapStart", "onTapCancel"],
    pan: ["onPan", "onPanStart", "onPanSessionStart", "onPanEnd"],
    inView: ["whileInView", "onViewportEnter", "onViewportLeave"],
    layout: ["layout", "layoutId"],
};
let isInitialized = false;
/**
 * Initialize feature definitions with isEnabled checks.
 * This must be called before any motion components are rendered.
 */
function initFeatureDefinitions() {
    if (isInitialized)
        return;
    const initialFeatureDefinitions = {};
    for (const key in featureProps) {
        initialFeatureDefinitions[key] = {
            isEnabled: (props) => featureProps[key].some((name) => !!props[name]),
        };
    }
    motionDom.setFeatureDefinitions(initialFeatureDefinitions);
    isInitialized = true;
}
/**
 * Get the current feature definitions, initializing if needed.
 */
function getInitializedFeatureDefinitions() {
    initFeatureDefinitions();
    return motionDom.getFeatureDefinitions();
}

function loadFeatures(features) {
    const featureDefinitions = getInitializedFeatureDefinitions();
    for (const key in features) {
        featureDefinitions[key] = {
            ...featureDefinitions[key],
            ...features[key],
        };
    }
    motionDom.setFeatureDefinitions(featureDefinitions);
}

/**
 * A list of all valid MotionProps.
 *
 * @privateRemarks
 * This doesn't throw if a `MotionProp` name is missing - it should.
 */
const validMotionProps = new Set([
    "animate",
    "exit",
    "variants",
    "initial",
    "style",
    "values",
    "variants",
    "transition",
    "transformTemplate",
    "custom",
    "inherit",
    "onBeforeLayoutMeasure",
    "onAnimationStart",
    "onAnimationComplete",
    "onUpdate",
    "onDragStart",
    "onDrag",
    "onDragEnd",
    "onMeasureDragConstraints",
    "onDirectionLock",
    "onDragTransitionEnd",
    "_dragX",
    "_dragY",
    "onHoverStart",
    "onHoverEnd",
    "onViewportEnter",
    "onViewportLeave",
    "globalTapTarget",
    "propagate",
    "ignoreStrict",
    "viewport",
]);
/**
 * Check whether a prop name is a valid `MotionProp` key.
 *
 * @param key - Name of the property to check
 * @returns `true` is key is a valid `MotionProp`.
 *
 * @public
 */
function isValidMotionProp(key) {
    return (key.startsWith("while") ||
        (key.startsWith("drag") && key !== "draggable") ||
        key.startsWith("layout") ||
        key.startsWith("onTap") ||
        key.startsWith("onPan") ||
        key.startsWith("onLayout") ||
        validMotionProps.has(key));
}

let shouldForward = (key) => !isValidMotionProp(key);
function loadExternalIsValidProp(isValidProp) {
    if (typeof isValidProp !== "function")
        return;
    // Explicitly filter our events
    shouldForward = (key) => key.startsWith("on") ? !isValidMotionProp(key) : isValidProp(key);
}
/**
 * Emotion and Styled Components both allow users to pass through arbitrary props to their components
 * to dynamically generate CSS. They both use the `@emotion/is-prop-valid` package to determine which
 * of these should be passed to the underlying DOM node.
 *
 * However, when styling a Motion component `styled(motion.div)`, both packages pass through *all* props
 * as it's seen as an arbitrary component rather than a DOM node. Motion only allows arbitrary props
 * passed through the `custom` prop so it doesn't *need* the payload or computational overhead of
 * `@emotion/is-prop-valid`, however to fix this problem we need to use it.
 *
 * By making it an optionalDependency we can offer this functionality only in the situations where it's
 * actually required.
 */
try {
    /**
     * We attempt to import this package but require won't be defined in esm environments, in that case
     * isPropValid will have to be provided via `MotionContext`. In a 6.0.0 this should probably be removed
     * in favour of explicit injection.
     *
     * String concatenation prevents bundlers like webpack (e.g. Storybook)
     * from statically resolving this optional dependency at build time.
     */
    const emotionPkg = "@emotion/is-prop-" + "valid";
    loadExternalIsValidProp(require(emotionPkg).default);
}
catch {
    // We don't need to actually do anything here - the fallback is the existing `isPropValid`.
}
function filterProps(props, isDom, forwardMotionProps) {
    const filteredProps = {};
    for (const key in props) {
        /**
         * values is considered a valid prop by Emotion, so if it's present
         * this will be rendered out to the DOM unless explicitly filtered.
         *
         * We check the type as it could be used with the `feColorMatrix`
         * element, which we support.
         */
        if (key === "values" && typeof props.values === "object")
            continue;
        if (motionDom.isMotionValue(props[key]))
            continue;
        if (shouldForward(key) ||
            (forwardMotionProps === true && isValidMotionProp(key)) ||
            (!isDom && !isValidMotionProp(key)) ||
            // If trying to use native HTML drag events, forward drag listeners
            (props["draggable"] &&
                key.startsWith("onDrag"))) {
            filteredProps[key] =
                props[key];
        }
    }
    return filteredProps;
}

/**
 * We keep these listed separately as we use the lowercase tag names as part
 * of the runtime bundle to detect SVG components
 */
const lowercaseSVGElements = [
    "animate",
    "circle",
    "defs",
    "desc",
    "ellipse",
    "g",
    "image",
    "line",
    "filter",
    "marker",
    "mask",
    "metadata",
    "path",
    "pattern",
    "polygon",
    "polyline",
    "rect",
    "stop",
    "switch",
    "symbol",
    "svg",
    "text",
    "tspan",
    "use",
    "view",
];

function isSVGComponent(Component) {
    if (
    /**
     * If it's not a string, it's a custom React component. Currently we only support
     * HTML custom React components.
     */
    typeof Component !== "string" ||
        /**
         * If it contains a dash, the element is a custom HTML webcomponent.
         */
        Component.includes("-")) {
        return false;
    }
    else if (
    /**
     * If it's in our list of lowercase SVG tags, it's an SVG component
     */
    lowercaseSVGElements.indexOf(Component) > -1 ||
        /**
         * If it contains a capital letter, it's an SVG component
         */
        /[A-Z]/u.test(Component)) {
        return true;
    }
    return false;
}

const createDomVisualElement = (Component, options) => {
    /**
     * Use explicit isSVG override if provided, otherwise auto-detect
     */
    const isSVG = options.isSVG ?? isSVGComponent(Component);
    return isSVG
        ? new motionDom.SVGVisualElement(options)
        : new motionDom.HTMLVisualElement(options, {
            allowProjection: Component !== React.Fragment,
        });
};

const MotionContext = /* @__PURE__ */ React.createContext({});

function getCurrentTreeVariants(props, context) {
    if (motionDom.isControllingVariants(props)) {
        const { initial, animate } = props;
        return {
            initial: initial === false || motionDom.isVariantLabel(initial)
                ? initial
                : undefined,
            animate: motionDom.isVariantLabel(animate) ? animate : undefined,
        };
    }
    return props.inherit !== false ? context : {};
}

function useCreateMotionContext(props) {
    const { initial, animate } = getCurrentTreeVariants(props, React.useContext(MotionContext));
    return React.useMemo(() => ({ initial, animate }), [variantLabelsAsDependency(initial), variantLabelsAsDependency(animate)]);
}
function variantLabelsAsDependency(prop) {
    return Array.isArray(prop) ? prop.join(" ") : prop;
}

const createHtmlRenderState = () => ({
    style: {},
    transform: {},
    transformOrigin: {},
    vars: {},
});

function copyRawValuesOnly(target, source, props) {
    for (const key in source) {
        if (!motionDom.isMotionValue(source[key]) && !motionDom.isForcedMotionValue(key, props)) {
            target[key] = source[key];
        }
    }
}
function useInitialMotionValues({ transformTemplate }, visualState) {
    return React.useMemo(() => {
        const state = createHtmlRenderState();
        motionDom.buildHTMLStyles(state, visualState, transformTemplate);
        return Object.assign({}, state.vars, state.style);
    }, [visualState]);
}
function useStyle(props, visualState) {
    const styleProp = props.style || {};
    const style = {};
    /**
     * Copy non-Motion Values straight into style
     */
    copyRawValuesOnly(style, styleProp, props);
    Object.assign(style, useInitialMotionValues(props, visualState));
    return style;
}
function useHTMLProps(props, visualState) {
    // The `any` isn't ideal but it is the type of createElement props argument
    const htmlProps = {};
    const style = useStyle(props, visualState);
    if (props.drag && props.dragListener !== false) {
        // Disable the ghost element when a user drags
        htmlProps.draggable = false;
        // Disable text selection
        style.userSelect =
            style.WebkitUserSelect =
                style.WebkitTouchCallout =
                    "none";
        // Disable scrolling on the draggable direction
        style.touchAction =
            props.drag === true
                ? "none"
                : `pan-${props.drag === "x" ? "y" : "x"}`;
    }
    if (props.tabIndex === undefined &&
        (props.onTap || props.onTapStart || props.whileTap)) {
        htmlProps.tabIndex = 0;
    }
    htmlProps.style = style;
    return htmlProps;
}

const createSvgRenderState = () => ({
    ...createHtmlRenderState(),
    attrs: {},
});

function useSVGProps(props, visualState, _isStatic, Component) {
    const visualProps = React.useMemo(() => {
        const state = createSvgRenderState();
        motionDom.buildSVGAttrs(state, visualState, motionDom.isSVGTag(Component), props.transformTemplate, props.style);
        return {
            ...state.attrs,
            style: { ...state.style },
        };
    }, [visualState]);
    if (props.style) {
        const rawStyles = {};
        copyRawValuesOnly(rawStyles, props.style, props);
        visualProps.style = { ...rawStyles, ...visualProps.style };
    }
    return visualProps;
}

function useRender(Component, props, ref, { latestValues, }, isStatic, forwardMotionProps = false, isSVG) {
    const useVisualProps = (isSVG ?? isSVGComponent(Component)) ? useSVGProps : useHTMLProps;
    const visualProps = useVisualProps(props, latestValues, isStatic, Component);
    const filteredProps = filterProps(props, typeof Component === "string", forwardMotionProps);
    const elementProps = Component !== React.Fragment ? { ...filteredProps, ...visualProps, ref } : {};
    /**
     * If component has been handed a motion value as its child,
     * memoise its initial value and render that. Subsequent updates
     * will be handled by the onChange handler
     */
    const { children } = props;
    const renderedChildren = React.useMemo(() => (motionDom.isMotionValue(children) ? children.get() : children), [children]);
    return React.createElement(Component, {
        ...elementProps,
        children: renderedChildren,
    });
}

function makeState({ scrapeMotionValuesFromProps, createRenderState, }, props, context, presenceContext) {
    const state = {
        latestValues: makeLatestValues(props, context, presenceContext, scrapeMotionValuesFromProps),
        renderState: createRenderState(),
    };
    return state;
}
function makeLatestValues(props, context, presenceContext, scrapeMotionValues) {
    const values = {};
    const motionValues = scrapeMotionValues(props, {});
    for (const key in motionValues) {
        values[key] = motionDom.resolveMotionValue(motionValues[key]);
    }
    let { initial, animate } = props;
    const isControllingVariants = motionDom.isControllingVariants(props);
    const isVariantNode = motionDom.isVariantNode(props);
    if (context &&
        isVariantNode &&
        !isControllingVariants &&
        props.inherit !== false) {
        if (initial === undefined)
            initial = context.initial;
        if (animate === undefined)
            animate = context.animate;
    }
    let isInitialAnimationBlocked = presenceContext
        ? presenceContext.initial === false
        : false;
    isInitialAnimationBlocked = isInitialAnimationBlocked || initial === false;
    const variantToSet = isInitialAnimationBlocked ? animate : initial;
    if (variantToSet &&
        typeof variantToSet !== "boolean" &&
        !motionDom.isAnimationControls(variantToSet)) {
        const list = Array.isArray(variantToSet) ? variantToSet : [variantToSet];
        for (let i = 0; i < list.length; i++) {
            const resolved = motionDom.resolveVariantFromProps(props, list[i]);
            if (resolved) {
                const { transitionEnd, transition, ...target } = resolved;
                for (const key in target) {
                    let valueTarget = target[key];
                    if (Array.isArray(valueTarget)) {
                        /**
                         * Take final keyframe if the initial animation is blocked because
                         * we want to initialise at the end of that blocked animation.
                         */
                        const index = isInitialAnimationBlocked
                            ? valueTarget.length - 1
                            : 0;
                        valueTarget = valueTarget[index];
                    }
                    if (valueTarget !== null) {
                        values[key] = valueTarget;
                    }
                }
                for (const key in transitionEnd) {
                    values[key] = transitionEnd[key];
                }
            }
        }
    }
    return values;
}
const makeUseVisualState = (config) => (props, isStatic) => {
    const context = React.useContext(MotionContext);
    const presenceContext = React.useContext(PresenceContext);
    const make = () => makeState(config, props, context, presenceContext);
    return isStatic ? make() : useConstant(make);
};

const useHTMLVisualState = /*@__PURE__*/ makeUseVisualState({
    scrapeMotionValuesFromProps: motionDom.scrapeHTMLMotionValuesFromProps,
    createRenderState: createHtmlRenderState,
});

const useSVGVisualState = /*@__PURE__*/ makeUseVisualState({
    scrapeMotionValuesFromProps: motionDom.scrapeSVGMotionValuesFromProps,
    createRenderState: createSvgRenderState,
});

const motionComponentSymbol = Symbol.for("motionComponentSymbol");

/**
 * Creates a ref function that, when called, hydrates the provided
 * external ref and VisualElement.
 */
function useMotionRef(visualState, visualElement, externalRef) {
    /**
     * Store externalRef in a ref to avoid including it in the useCallback
     * dependency array. Including externalRef in dependencies causes issues
     * with libraries like Radix UI that create new callback refs on each render
     * when using asChild - this would cause the callback to be recreated,
     * triggering element remounts and breaking AnimatePresence exit animations.
     */
    const externalRefContainer = React.useRef(externalRef);
    React.useInsertionEffect(() => {
        externalRefContainer.current = externalRef;
    });
    // Store cleanup function returned by callback refs (React 19 feature)
    const refCleanup = React.useRef(null);
    return React.useCallback((instance) => {
        if (instance) {
            visualState.onMount?.(instance);
        }
        const ref = externalRefContainer.current;
        if (typeof ref === "function") {
            if (instance) {
                const cleanup = ref(instance);
                if (typeof cleanup === "function") {
                    refCleanup.current = cleanup;
                }
            }
            else if (refCleanup.current) {
                refCleanup.current();
                refCleanup.current = null;
            }
            else {
                ref(instance);
            }
        }
        else if (ref) {
            ref.current = instance;
        }
        if (visualElement) {
            instance ? visualElement.mount(instance) : visualElement.unmount();
        }
    }, [visualElement]);
}

/**
 * Internal, exported only for usage in Framer
 */
const SwitchLayoutGroupContext = React.createContext({});

function isRefObject(ref) {
    return (ref &&
        typeof ref === "object" &&
        Object.prototype.hasOwnProperty.call(ref, "current"));
}

function useVisualElement(Component, visualState, props, createVisualElement, ProjectionNodeConstructor, isSVG) {
    const { visualElement: parent } = React.useContext(MotionContext);
    const lazyContext = React.useContext(LazyContext);
    const presenceContext = React.useContext(PresenceContext);
    const motionConfig = React.useContext(MotionConfigContext);
    const reducedMotionConfig = motionConfig.reducedMotion;
    const skipAnimations = motionConfig.skipAnimations;
    const visualElementRef = React.useRef(null);
    /**
     * Track whether the component has been through React's commit phase.
     * Used to detect when LazyMotion features load after the component has mounted.
     */
    const hasMountedOnce = React.useRef(false);
    /**
     * If we haven't preloaded a renderer, check to see if we have one lazy-loaded
     */
    createVisualElement =
        createVisualElement ||
            lazyContext.renderer;
    if (!visualElementRef.current && createVisualElement) {
        visualElementRef.current = createVisualElement(Component, {
            visualState,
            parent,
            props,
            presenceContext,
            blockInitialAnimation: presenceContext
                ? presenceContext.initial === false
                : false,
            reducedMotionConfig,
            skipAnimations,
            isSVG,
        });
        /**
         * If the component has already mounted before features loaded (e.g. via
         * LazyMotion with async feature loading), we need to force the initial
         * animation to run. Otherwise state changes that occurred before features
         * loaded will be lost and the element will snap to its final state.
         */
        if (hasMountedOnce.current && visualElementRef.current) {
            visualElementRef.current.manuallyAnimateOnMount = true;
        }
    }
    const visualElement = visualElementRef.current;
    /**
     * Load Motion gesture and animation features. These are rendered as renderless
     * components so each feature can optionally make use of React lifecycle methods.
     */
    const initialLayoutGroupConfig = React.useContext(SwitchLayoutGroupContext);
    if (visualElement &&
        !visualElement.projection &&
        ProjectionNodeConstructor &&
        (visualElement.type === "html" || visualElement.type === "svg")) {
        createProjectionNode(visualElementRef.current, props, ProjectionNodeConstructor, initialLayoutGroupConfig);
    }
    const isMounted = React.useRef(false);
    React.useInsertionEffect(() => {
        /**
         * Check the component has already mounted before calling
         * `update` unnecessarily. This ensures we skip the initial update.
         */
        if (visualElement && isMounted.current) {
            visualElement.update(props, presenceContext);
        }
    });
    /**
     * Cache this value as we want to know whether HandoffAppearAnimations
     * was present on initial render - it will be deleted after this.
     */
    const optimisedAppearId = props[motionDom.optimizedAppearDataAttribute];
    const wantsHandoff = React.useRef(Boolean(optimisedAppearId) &&
        typeof window !== "undefined" &&
        !window.MotionHandoffIsComplete?.(optimisedAppearId) &&
        window.MotionHasOptimisedAnimation?.(optimisedAppearId));
    useIsomorphicLayoutEffect(() => {
        /**
         * Track that this component has mounted. This is used to detect when
         * LazyMotion features load after the component has already committed.
         */
        hasMountedOnce.current = true;
        if (!visualElement)
            return;
        isMounted.current = true;
        window.MotionIsMounted = true;
        visualElement.updateFeatures();
        visualElement.scheduleRenderMicrotask();
        /**
         * Ideally this function would always run in a useEffect.
         *
         * However, if we have optimised appear animations to handoff from,
         * it needs to happen synchronously to ensure there's no flash of
         * incorrect styles in the event of a hydration error.
         *
         * So if we detect a situtation where optimised appear animations
         * are running, we use useLayoutEffect to trigger animations.
         */
        if (wantsHandoff.current && visualElement.animationState) {
            visualElement.animationState.animateChanges();
        }
    });
    React.useEffect(() => {
        if (!visualElement)
            return;
        if (!wantsHandoff.current && visualElement.animationState) {
            visualElement.animationState.animateChanges();
        }
        if (wantsHandoff.current) {
            // This ensures all future calls to animateChanges() in this component will run in useEffect
            queueMicrotask(() => {
                window.MotionHandoffMarkAsComplete?.(optimisedAppearId);
            });
            wantsHandoff.current = false;
        }
        /**
         * Now we've finished triggering animations for this element we
         * can wipe the enteringChildren set for the next render.
         */
        visualElement.enteringChildren = undefined;
    });
    return visualElement;
}
function createProjectionNode(visualElement, props, ProjectionNodeConstructor, initialPromotionConfig) {
    const { layoutId, layout, drag, dragConstraints, layoutScroll, layoutRoot, layoutAnchor, layoutCrossfade, } = props;
    visualElement.projection = new ProjectionNodeConstructor(visualElement.latestValues, props["data-framer-portal-id"]
        ? undefined
        : getClosestProjectingNode(visualElement.parent));
    visualElement.projection.setOptions({
        layoutId,
        layout,
        alwaysMeasureLayout: Boolean(drag) || (dragConstraints && isRefObject(dragConstraints)),
        visualElement,
        /**
         * TODO: Update options in an effect. This could be tricky as it'll be too late
         * to update by the time layout animations run.
         * We also need to fix this safeToRemove by linking it up to the one returned by usePresence,
         * ensuring it gets called if there's no potential layout animations.
         *
         */
        animationType: typeof layout === "string" ? layout : "both",
        initialPromotionConfig,
        crossfade: layoutCrossfade,
        layoutScroll,
        layoutRoot,
        layoutAnchor,
    });
}
function getClosestProjectingNode(visualElement) {
    if (!visualElement)
        return undefined;
    return visualElement.options.allowProjection !== false
        ? visualElement.projection
        : getClosestProjectingNode(visualElement.parent);
}

/**
 * Create a `motion` component.
 *
 * This function accepts a Component argument, which can be either a string (ie "div"
 * for `motion.div`), or an actual React component.
 *
 * Alongside this is a config option which provides a way of rendering the provided
 * component "offline", or outside the React render cycle.
 */
function createMotionComponent(Component, { forwardMotionProps = false, type } = {}, preloadedFeatures, createVisualElement) {
    preloadedFeatures && loadFeatures(preloadedFeatures);
    /**
     * Determine whether to use SVG or HTML rendering based on:
     * 1. Explicit `type` option (highest priority)
     * 2. Auto-detection via `isSVGComponent`
     */
    const isSVG = type ? type === "svg" : isSVGComponent(Component);
    const useVisualState = isSVG ? useSVGVisualState : useHTMLVisualState;
    function MotionDOMComponent(props, externalRef) {
        /**
         * If we need to measure the element we load this functionality in a
         * separate class component in order to gain access to getSnapshotBeforeUpdate.
         */
        let MeasureLayout;
        const configAndProps = {
            ...React.useContext(MotionConfigContext),
            ...props,
            layoutId: useLayoutId(props),
        };
        const { isStatic } = configAndProps;
        const context = useCreateMotionContext(props);
        const visualState = useVisualState(props, isStatic);
        if (!isStatic && typeof window !== "undefined") {
            useStrictMode(configAndProps, preloadedFeatures);
            const layoutProjection = getProjectionFunctionality(configAndProps);
            MeasureLayout = layoutProjection.MeasureLayout;
            /**
             * Create a VisualElement for this component. A VisualElement provides a common
             * interface to renderer-specific APIs (ie DOM/Three.js etc) as well as
             * providing a way of rendering to these APIs outside of the React render loop
             * for more performant animations and interactions
             */
            context.visualElement = useVisualElement(Component, visualState, configAndProps, createVisualElement, layoutProjection.ProjectionNode, isSVG);
        }
        /**
         * The mount order and hierarchy is specific to ensure our element ref
         * is hydrated by the time features fire their effects.
         */
        return (jsxRuntime.jsxs(MotionContext.Provider, { value: context, children: [MeasureLayout && context.visualElement ? (jsxRuntime.jsx(MeasureLayout, { visualElement: context.visualElement, ...configAndProps })) : null, useRender(Component, props, useMotionRef(visualState, context.visualElement, externalRef), visualState, isStatic, forwardMotionProps, isSVG)] }));
    }
    MotionDOMComponent.displayName = `motion.${typeof Component === "string"
        ? Component
        : `create(${Component.displayName ?? Component.name ?? ""})`}`;
    const ForwardRefMotionComponent = React.forwardRef(MotionDOMComponent);
    ForwardRefMotionComponent[motionComponentSymbol] = Component;
    return ForwardRefMotionComponent;
}
function useLayoutId({ layoutId }) {
    const layoutGroupId = React.useContext(LayoutGroupContext).id;
    return layoutGroupId && layoutId !== undefined
        ? layoutGroupId + "-" + layoutId
        : layoutId;
}
function useStrictMode(configAndProps, preloadedFeatures) {
    const isStrict = React.useContext(LazyContext).strict;
    /**
     * If we're in development mode, check to make sure we're not rendering a motion component
     * as a child of LazyMotion, as this will break the file-size benefits of using it.
     */
    if (process.env.NODE_ENV !== "production" &&
        preloadedFeatures &&
        isStrict) {
        const strictMessage = "You have rendered a `motion` component within a `LazyMotion` component. This will break tree shaking. Import and render a `m` component instead.";
        configAndProps.ignoreStrict
            ? motionUtils.warning(false, strictMessage, "lazy-strict-mode")
            : motionUtils.invariant(false, strictMessage, "lazy-strict-mode");
    }
}
function getProjectionFunctionality(props) {
    const featureDefinitions = getInitializedFeatureDefinitions();
    const { drag, layout } = featureDefinitions;
    if (!drag && !layout)
        return {};
    const combined = { ...drag, ...layout };
    return {
        MeasureLayout: drag?.isEnabled(props) || layout?.isEnabled(props)
            ? combined.MeasureLayout
            : undefined,
        ProjectionNode: combined.ProjectionNode,
    };
}

class AnimationFeature extends motionDom.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 = motionDom.createAnimationState(node));
    }
    updateAnimationControlsSubscription() {
        const { animate } = this.node.getProps();
        if (motionDom.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?.();
    }
}

let id = 0;
class ExitAnimationFeature extends motionDom.Feature {
    constructor() {
        super(...arguments);
        this.id = id++;
        this.isExitComplete = false;
    }
    update() {
        if (!this.node.presenceContext)
            return;
        const { isPresent, onExitComplete } = this.node.presenceContext;
        const { isPresent: prevIsPresent } = this.node.prevPresenceContext || {};
        if (!this.node.animationState || isPresent === prevIsPresent) {
            return;
        }
        if (isPresent && prevIsPresent === false) {
            /**
             * When re-entering, if the exit animation already completed
             * (element is at rest), reset to initial values so the enter
             * animation replays from the correct position.
             */
            if (this.isExitComplete) {
                const { initial, custom } = this.node.getProps();
                if (typeof initial === "string") {
                    const resolved = motionDom.resolveVariant(this.node, initial, custom);
                    if (resolved) {
                        const { transition, transitionEnd, ...target } = resolved;
                        for (const key in target) {
                            this.node
                                .getValue(key)
                                ?.jump(target[key]);
                        }
                    }
                }
                this.node.animationState.reset();
                this.node.animationState.animateChanges();
            }
            else {
                this.node.animationState.setActive("exit", false);
            }
            this.isExitComplete = false;
            return;
        }
        const exitAnimation = this.node.animationState.setActive("exit", !isPresent);
        if (onExitComplete && !isPresent) {
            exitAnimation.then(() => {
                this.isExitComplete = true;
                onExitComplete(this.id);
            });
        }
    }
    mount() {
        const { register, onExitComplete } = this.node.presenceContext || {};
        if (onExitComplete) {
            onExitComplete(this.id);
        }
        if (register) {
            this.unmount = register(this.id);
        }
    }
    unmount() { }
}

const animations = {
    animation: {
        Feature: AnimationFeature,
    },
    exit: {
        Feature: ExitAnimationFeature,
    },
};

function extractEventInfo(event) {
    return {
        point: {
            x: event.pageX,
            y: event.pageY,
        },
    };
}
const addPointerInfo = (handler) => (event) => motionDom.isPrimaryPointer(event) && handler(event, extractEventInfo(event));

function addPointerEvent(target, eventName, handler, options) {
    return motionDom.addDomEvent(target, eventName, addPointerInfo(handler), options);
}

// Fixes https://github.com/motiondivision/motion/issues/2270
const getContextWindow = ({ current }) => {
    return current ? current.ownerDocument.defaultView : null;
};

const distance = (a, b) => Math.abs(a - b);
function distance2D(a, b) {
    // Multi-dimensional
    const xDelta = distance(a.x, b.x);
    const yDelta = distance(a.y, b.y);
    return Math.sqrt(xDelta ** 2 + yDelta ** 2);
}

const overflowStyles = /*#__PURE__*/ new Set(["auto", "scroll"]);
/**
 * @internal
 */
class PanSession {
    constructor(event, handlers, { transformPagePoint, contextWindow = window, dragSnapToOrigin = false, distanceThreshold = 3, element, } = {}) {
        /**
         * @internal
         */
        this.startEvent = null;
        /**
         * @internal
         */
        this.lastMoveEvent = null;
        /**
         * @internal
         */
        this.lastMoveEventInfo = null;
        /**
         * Raw (untransformed) event info, re-transformed each frame
         * so transformPagePoint sees the current parent matrix.
         * @internal
         */
        this.lastRawMoveEventInfo = null;
        /**
         * @internal
         */
        this.handlers = {};
        /**
         * @internal
         */
        this.contextWindow = window;
        /**
         * Scroll positions of scrollable ancestors and window.
         * @internal
         */
        this.scrollPositions = new Map();
        /**
         * Cleanup function for scroll listeners.
         * @internal
         */
        this.removeScrollListeners = null;
        this.onElementScroll = (event) => {
            this.handleScroll(event.target);
        };
        this.onWindowScroll = () => {
            this.handleScroll(window);
        };
        this.updatePoint = () => {
            if (!(this.lastMoveEvent && this.lastMoveEventInfo))
                return;
            // Re-transform raw point through current transformPagePoint so
            // animated parent transforms (e.g. rotation) are picked up each frame
            if (this.lastRawMoveEventInfo) {
                this.lastMoveEventInfo = transformPoint(this.lastRawMoveEventInfo, this.transformPagePoint);
            }
            const info = getPanInfo(this.lastMoveEventInfo, this.history);
            const isPanStarted = this.startEvent !== null;
            // Only start panning if the offset is larger than 3 pixels. If we make it
            // any larger than this we'll want to reset the pointer history
            // on the first update to avoid visual snapping to the cursor.
            const isDistancePastThreshold = distance2D(info.offset, { x: 0, y: 0 }) >= this.distanceThreshold;
            if (!isPanStarted && !isDistancePastThreshold)
                return;
            const { point } = info;
            const { timestamp } = motionDom.frameData;
            this.history.push({ ...point, timestamp });
            const { onStart, onMove } = this.handlers;
            if (!isPanStarted) {
                onStart && onStart(this.lastMoveEvent, info);
                this.startEvent = this.lastMoveEvent;
            }
            onMove && onMove(this.lastMoveEvent, info);
        };
        this.handlePointerMove = (event, info) => {
            this.lastMoveEvent = event;
            this.lastRawMoveEventInfo = info;
            this.lastMoveEventInfo = transformPoint(info, this.transformPagePoint);
            // Throttle mouse move event to once per frame
            motionDom.frame.update(this.updatePoint, true);
        };
        this.handlePointerUp = (event, info) => {
            this.end();
            const { onEnd, onSessionEnd, resumeAnimation } = this.handlers;
            // Resume animation if dragSnapToOrigin is set OR if no drag started (user just clicked)
            // This ensures constraint animations continue when interrupted by a click
            if (this.dragSnapToOrigin || !this.startEvent) {
                resumeAnimation && resumeAnimation();
            }
            if (!(this.lastMoveEvent && this.lastMoveEventInfo))
                return;
            const panInfo = getPanInfo(event.type === "pointercancel"
                ? this.lastMoveEventInfo
                : transformPoint(info, this.transformPagePoint), this.history);
            if (this.startEvent && onEnd) {
                onEnd(event, panInfo);
            }
            onSessionEnd && onSessionEnd(event, panInfo);
        };
        // If we have more than one touch, don't start detecting this gesture
        if (!motionDom.isPrimaryPointer(event))
            return;
        this.dragSnapToOrigin = dragSnapToOrigin;
        this.handlers = handlers;
        this.transformPagePoint = transformPagePoint;
        this.distanceThreshold = distanceThreshold;
        this.contextWindow = contextWindow || window;
        const info = extractEventInfo(event);
        const initialInfo = transformPoint(info, this.transformPagePoint);
        const { point } = initialInfo;
        const { timestamp } = motionDom.frameData;
        this.history = [{ ...point, timestamp }];
        const { onSessionStart } = handlers;
        onSessionStart &&
            onSessionStart(event, getPanInfo(initialInfo, this.history));
        this.removeListeners = motionUtils.pipe(addPointerEvent(this.contextWindow, "pointermove", this.handlePointerMove), addPointerEvent(this.contextWindow, "pointerup", this.handlePointerUp), addPointerEvent(this.contextWindow, "pointercancel", this.handlePointerUp));
        // Start scroll tracking if element provided
        if (element) {
            this.startScrollTracking(element);
        }
    }
    /**
     * Start tracking scroll on ancestors and window.
     */
    startScrollTracking(element) {
        // Store initial scroll positions for scrollable ancestors
        let current = element.parentElement;
        while (current) {
            const style = getComputedStyle(current);
            if (overflowStyles.has(style.overflowX) ||
                overflowStyles.has(style.overflowY)) {
                this.scrollPositions.set(current, {
                    x: current.scrollLeft,
                    y: current.scrollTop,
                });
            }
            current = current.parentElement;
        }
        // Track window scroll
        this.scrollPositions.set(window, {
            x: window.scrollX,
            y: window.scrollY,
        });
        // Capture listener catches element scroll events as they bubble
        window.addEventListener("scroll", this.onElementScroll, {
            capture: true,
        });
        // Direct window scroll listener (window scroll doesn't bubble)
        window.addEventListener("scroll", this.onWindowScroll);
        this.removeScrollListeners = () => {
            window.removeEventListener("scroll", this.onElementScroll, {
                capture: true,
            });
            window.removeEventListener("scroll", this.onWindowScroll);
        };
    }
    /**
     * Handle scroll compensation during drag.
     *
     * For element scroll: adjusts history origin since pageX/pageY doesn't change.
     * For window scroll: adjusts lastMoveEventInfo since pageX/pageY would change.
     */
    handleScroll(target) {
        const initial = this.scrollPositions.get(target);
        if (!initial)
            return;
        const isWindow = target === window;
        const current = isWindow
            ? { x: window.scrollX, y: window.scrollY }
            : {
                x: target.scrollLeft,
                y: target.scrollTop,
            };
        const delta = { x: current.x - initial.x, y: current.y - initial.y };
        if (delta.x === 0 && delta.y === 0)
            return;
        if (isWindow) {
            // Window scroll: pageX/pageY changes, so update lastMoveEventInfo
            if (this.lastMoveEventInfo) {
                this.lastMoveEventInfo.point.x += delta.x;
                this.lastMoveEventInfo.point.y += delta.y;
            }
        }
        else {
            // Element scroll: pageX/pageY unchanged, so adjust history origin
            if (this.history.length > 0) {
                this.history[0].x -= delta.x;
                this.history[0].y -= delta.y;
            }
        }
        this.scrollPositions.set(target, current);
        motionDom.frame.update(this.updatePoint, true);
    }
    updateHandlers(handlers) {
        this.handlers = handlers;
    }
    end() {
        this.removeListeners && this.removeListeners();
        this.removeScrollListeners && this.removeScrollListeners();
        this.scrollPositions.clear();
        motionDom.cancelFrame(this.updatePoint);
    }
}
function transformPoint(info, transformPagePoint) {
    return transformPagePoint ? { point: transformPagePoint(info.point) } : info;
}
function subtractPoint(a, b) {
    return { x: a.x - b.x, y: a.y - b.y };
}
function getPanInfo({ point }, history) {
    return {
        point,
        delta: subtractPoint(point, lastDevicePoint(history)),
        offset: subtractPoint(point, startDevicePoint(history)),
        velocity: getVelocity(history, 0.1),
    };
}
function startDevicePoint(history) {
    return history[0];
}
function lastDevicePoint(history) {
    return history[history.length - 1];
}
function getVelocity(history, timeDelta) {
    if (history.length < 2) {
        return { x: 0, y: 0 };
    }
    let i = history.length - 1;
    let timestampedPoint = null;
    const lastPoint = lastDevicePoint(history);
    while (i >= 0) {
        timestampedPoint = history[i];
        if (lastPoint.timestamp - timestampedPoint.timestamp >
            motionUtils.secondsToMilliseconds(timeDelta)) {
            break;
        }
        i--;
    }
    if (!timestampedPoint) {
        return { x: 0, y: 0 };
    }
    /**
     * If the selected point is the pointer-down origin (history[0]),
     * there are better movement points available, and the time gap
     * is suspiciously large (>2x timeDelta), use the next point instead.
     * This prevents stale pointer-down points from diluting velocity
     * in hold-then-flick gestures.
     */
    if (timestampedPoint === history[0] &&
        history.length > 2 &&
        lastPoint.timestamp - timestampedPoint.timestamp >
            motionUtils.secondsToMilliseconds(timeDelta) * 2) {
        timestampedPoint = history[1];
    }
    const time = motionUtils.millisecondsToSeconds(lastPoint.timestamp - timestampedPoint.timestamp);
    if (time === 0) {
        return { x: 0, y: 0 };
    }
    const currentVelocity = {
        x: (lastPoint.x - timestampedPoint.x) / time,
        y: (lastPoint.y - timestampedPoint.y) / time,
    };
    if (currentVelocity.x === Infinity) {
        currentVelocity.x = 0;
    }
    if (currentVelocity.y === Infinity) {
        currentVelocity.y = 0;
    }
    return currentVelocity;
}

/**
 * Apply constraints to a point. These constraints are both physical along an
 * axis, and an elastic factor that determines how much to constrain the point
 * by if it does lie outside the defined parameters.
 */
function applyConstraints(point, { min, max }, elastic) {
    if (min !== undefined && point < min) {
        // If we have a min point defined, and this is outside of that, constrain
        point = elastic
            ? motionDom.mixNumber(min, point, elastic.min)
            : Math.max(point, min);
    }
    else if (max !== undefined && point > max) {
        // If we have a max point defined, and this is outside of that, constrain
        point = elastic
            ? motionDom.mixNumber(max, point, elastic.max)
            : Math.min(point, max);
    }
    return point;
}
/**
 * Calculate constraints in terms of the viewport when defined relatively to the
 * measured axis. This is measured from the nearest edge, so a max constraint of 200
 * on an axis with a max value of 300 would return a constraint of 500 - axis length
 */
function calcRelativeAxisConstraints(axis, min, max) {
    return {
        min: min !== undefined ? axis.min + min : undefined,
        max: max !== undefined
            ? axis.max + max - (axis.max - axis.min)
            : undefined,
    };
}
/**
 * Calculate constraints in terms of the viewport when
 * defined relatively to the measured bounding box.
 */
function calcRelativeConstraints(layoutBox, { top, left, bottom, right }) {
    return {
        x: calcRelativeAxisConstraints(layoutBox.x, left, right),
        y: calcRelativeAxisConstraints(layoutBox.y, top, bottom),
    };
}
/**
 * Calculate viewport constraints when defined as another viewport-relative axis
 */
function calcViewportAxisConstraints(layoutAxis, constraintsAxis) {
    let min = constraintsAxis.min - layoutAxis.min;
    let max = constraintsAxis.max - layoutAxis.max;
    // If the constraints axis is actually smaller than the layout axis then we can
    // flip the constraints
    if (constraintsAxis.max - constraintsAxis.min <
        layoutAxis.max - layoutAxis.min) {
        [min, max] = [max, min];
    }
    return { min, max };
}
/**
 * Calculate viewport constraints when defined as another viewport-relative box
 */
function calcViewportConstraints(layoutBox, constraintsBox) {
    return {
        x: calcViewportAxisConstraints(layoutBox.x, constraintsBox.x),
        y: calcViewportAxisConstraints(layoutBox.y, constraintsBox.y),
    };
}
/**
 * Calculate a transform origin relative to the source axis, between 0-1, that results
 * in an asthetically pleasing scale/transform needed to project from source to target.
 */
function calcOrigin(source, target) {
    let origin = 0.5;
    const sourceLength = motionDom.calcLength(source);
    const targetLength = motionDom.calcLength(target);
    if (targetLength > sourceLength) {
        origin = motionUtils.progress(target.min, target.max - sourceLength, source.min);
    }
    else if (sourceLength > targetLength) {
        origin = motionUtils.progress(source.min, source.max - targetLength, target.min);
    }
    return motionUtils.clamp(0, 1, origin);
}
/**
 * Rebase the calculated viewport constraints relative to the layout.min point.
 */
function rebaseAxisConstraints(layout, constraints) {
    const relativeConstraints = {};
    if (constraints.min !== undefined) {
        relativeConstraints.min = constraints.min - layout.min;
    }
    if (constraints.max !== undefined) {
        relativeConstraints.max = constraints.max - layout.min;
    }
    return relativeConstraints;
}
const defaultElastic = 0.35;
/**
 * Accepts a dragElastic prop and returns resolved elastic values for each axis.
 */
function resolveDragElastic(dragElastic = defaultElastic) {
    if (dragElastic === false) {
        dragElastic = 0;
    }
    else if (dragElastic === true) {
        dragElastic = defaultElastic;
    }
    return {
        x: resolveAxisElastic(dragElastic, "left", "right"),
        y: resolveAxisElastic(dragElastic, "top", "bottom"),
    };
}
function resolveAxisElastic(dragElastic, minLabel, maxLabel) {
    return {
        min: resolvePointElastic(dragElastic, minLabel),
        max: resolvePointElastic(dragElastic, maxLabel),
    };
}
function resolvePointElastic(dragElastic, label) {
    return typeof dragElastic === "number"
        ? dragElastic
        : dragElastic[label] || 0;
}

const elementDragControls = new WeakMap();
class VisualElementDragControls {
    constructor(visualElement) {
        this.openDragLock = null;
        this.isDragging = false;
        this.currentDirection = null;
        this.originPoint = { x: 0, y: 0 };
        /**
         * The permitted boundaries of travel, in pixels.
         */
        this.constraints = false;
        this.hasMutatedConstraints = false;
        /**
         * The per-axis resolved elastic values.
         */
        this.elastic = motionDom.createBox();
        /**
         * The latest pointer event. Used as fallback when the `cancel` and `stop` functions are called without arguments.
         */
        this.latestPointerEvent = null;
        /**
         * The latest pan info. Used as fallback when the `cancel` and `stop` functions are called without arguments.
         */
        this.latestPanInfo = null;
        this.visualElement = visualElement;
    }
    start(originEvent, { snapToCursor = false, distanceThreshold } = {}) {
        /**
         * Don't start dragging if this component is exiting
         */
        const { presenceContext } = this.visualElement;
        if (presenceContext && presenceContext.isPresent === false)
            return;
        const onSessionStart = (event) => {
            if (snapToCursor) {
                this.snapToCursor(extractEventInfo(event).point);
            }
            this.stopAnimation();
        };
        const onStart = (event, info) => {
            // Attempt to grab the global drag gesture lock - maybe make this part of PanSession
            const { drag, dragPropagation, onDragStart } = this.getProps();
            if (drag && !dragPropagation) {
                if (this.openDragLock)
                    this.openDragLock();
                this.openDragLock = motionDom.setDragLock(drag);
                // If we don 't have the lock, don't start dragging
                if (!this.openDragLock)
                    return;
            }
            this.latestPointerEvent = event;
            this.latestPanInfo = info;
            this.isDragging = true;
            this.currentDirection = null;
            this.resolveConstraints();
            if (this.visualElement.projection) {
                this.visualElement.projection.isAnimationBlocked = true;
                this.visualElement.projection.target = undefined;
            }
            /**
             * Record gesture origin and pointer offset
             */
            motionDom.eachAxis((axis) => {
                let current = this.getAxisMotionValue(axis).get() || 0;
                /**
                 * If the MotionValue is a percentage value convert to px
                 */
                if (motionDom.percent.test(current)) {
                    const { projection } = this.visualElement;
                    if (projection && projection.layout) {
                        const measuredAxis = projection.layout.layoutBox[axis];
                        if (measuredAxis) {
                            const length = motionDom.calcLength(measuredAxis);
                            current = length * (parseFloat(current) / 100);
                        }
                    }
                }
                this.originPoint[axis] = current;
            });
            // Fire onDragStart event
            if (onDragStart) {
                motionDom.frame.update(() => onDragStart(event, info), false, true);
            }
            motionDom.addValueToWillChange(this.visualElement, "transform");
            const { animationState } = this.visualElement;
            animationState && animationState.setActive("whileDrag", true);
        };
        const onMove = (event, info) => {
            this.latestPointerEvent = event;
            this.latestPanInfo = info;
            const { dragPropagation, dragDirectionLock, onDirectionLock, onDrag, } = this.getProps();
            // If we didn't successfully receive the gesture lock, early return.
            if (!dragPropagation && !this.openDragLock)
                return;
            const { offset } = info;
            // Attempt to detect drag direction if directionLock is true
            if (dragDirectionLock && this.currentDirection === null) {
                this.currentDirection = getCurrentDirection(offset);
                // If we've successfully set a direction, notify listener
                if (this.currentDirection !== null) {
                    onDirectionLock && onDirectionLock(this.currentDirection);
                }
                return;
            }
            // Update each point with the latest position
            this.updateAxis("x", info.point, offset);
            this.updateAxis("y", info.point, offset);
            /**
             * Ideally we would leave the renderer to fire naturally at the end of
             * this frame but if the element is about to change layout as the result
             * of a re-render we want to ensure the browser can read the latest
             * bounding box to ensure the pointer and element don't fall out of sync.
             */
            this.visualElement.render();
            /**
             * This must fire after the render call as it might trigger a state
             * change which itself might trigger a layout update.
             */
            if (onDrag) {
                motionDom.frame.update(() => onDrag(event, info), false, true);
            }
        };
        const onSessionEnd = (event, info) => {
            this.latestPointerEvent = event;
            this.latestPanInfo = info;
            this.stop(event, info);
            this.latestPointerEvent = null;
            this.latestPanInfo = null;
        };
        const resumeAnimation = () => {
            const { dragSnapToOrigin: snap } = this.getProps();
            if (snap || this.constraints) {
                this.startAnimation({ x: 0, y: 0 });
            }
        };
        const { dragSnapToOrigin } = this.getProps();
        this.panSession = new PanSession(originEvent, {
            onSessionStart,
            onStart,
            onMove,
            onSessionEnd,
            resumeAnimation,
        }, {
            transformPagePoint: this.visualElement.getTransformPagePoint(),
            dragSnapToOrigin,
            distanceThreshold,
            contextWindow: getContextWindow(this.visualElement),
            element: this.visualElement.current,
        });
    }
    /**
     * @internal
     */
    stop(event, panInfo) {
        const finalEvent = event || this.latestPointerEvent;
        const finalPanInfo = panInfo || this.latestPanInfo;
        const isDragging = this.isDragging;
        this.cancel();
        if (!isDragging || !finalPanInfo || !finalEvent)
            return;
        const { velocity } = finalPanInfo;
        this.startAnimation(velocity);
        const { onDragEnd } = this.getProps();
        if (onDragEnd) {
            motionDom.frame.postRender(() => onDragEnd(finalEvent, finalPanInfo));
        }
    }
    /**
     * @internal
     */
    cancel() {
        this.isDragging = false;
        const { projection, animationState } = this.visualElement;
        if (projection) {
            projection.isAnimationBlocked = false;
        }
        this.endPanSession();
        const { dragPropagation } = this.getProps();
        if (!dragPropagation && this.openDragLock) {
            this.openDragLock();
            this.openDragLock = null;
        }
        animationState && animationState.setActive("whileDrag", false);
    }
    /**
     * Clean up the pan session without modifying other drag state.
     * This is used during unmount to ensure event listeners are removed
     * without affecting projection animations or drag locks.
     * @internal
     */
    endPanSession() {
        this.panSession && this.panSession.end();
        this.panSession = undefined;
    }
    updateAxis(axis, _point, offset) {
        const { drag } = this.getProps();
        // If we're not dragging this axis, do an early return.
        if (!offset || !shouldDrag(axis, drag, this.currentDirection))
            return;
        const axisValue = this.getAxisMotionValue(axis);
        let next = this.originPoint[axis] + offset[axis];
        // Apply constraints
        if (this.constraints && this.constraints[axis]) {
            next = applyConstraints(next, this.constraints[axis], this.elastic[axis]);
        }
        axisValue.set(next);
    }
    resolveConstraints() {
        const { dragConstraints, dragElastic } = this.getProps();
        const layout = this.visualElement.projection &&
            !this.visualElement.projection.layout
            ? this.visualElement.projection.measure(false)
            : this.visualElement.projection?.layout;
        const prevConstraints = this.constraints;
        if (dragConstraints && isRefObject(dragConstraints)) {
            if (!this.constraints) {
                this.constraints = this.resolveRefConstraints();
            }
        }
        else {
            if (dragConstraints && layout) {
                this.constraints = calcRelativeConstraints(layout.layoutBox, dragConstraints);
            }
            else {
                this.constraints = false;
            }
        }
        this.elastic = resolveDragElastic(dragElastic);
        /**
         * If we're outputting to external MotionValues, we want to rebase the measured constraints
         * from viewport-relative to component-relative. This only applies to relative (non-ref)
         * constraints, as ref-based constraints from calcViewportConstraints are already in the
         * correct coordinate space for the motion value transform offset.
         */
        if (prevConstraints !== this.constraints &&
            !isRefObject(dragConstraints) &&
            layout &&
            this.constraints &&
            !this.hasMutatedConstraints) {
            motionDom.eachAxis((axis) => {
                if (this.constraints !== false &&
                    this.getAxisMotionValue(axis)) {
                    this.constraints[axis] = rebaseAxisConstraints(layout.layoutBox[axis], this.constraints[axis]);
                }
            });
        }
    }
    resolveRefConstraints() {
        const { dragConstraints: constraints, onMeasureDragConstraints } = this.getProps();
        if (!constraints || !isRefObject(constraints))
            return false;
        const constraintsElement = constraints.current;
        motionUtils.invariant(constraintsElement !== null, "If `dragConstraints` is set as a React ref, that ref must be passed to another component's `ref` prop.", "drag-constraints-ref");
        const { projection } = this.visualElement;
        // TODO
        if (!projection || !projection.layout)
            return false;
        const constraintsBox = motionDom.measurePageBox(constraintsElement, projection.root, this.visualElement.getTransformPagePoint());
        let measuredConstraints = calcViewportConstraints(projection.layout.layoutBox, constraintsBox);
        /**
         * If there's an onMeasureDragConstraints listener we call it and
         * if different constraints are returned, set constraints to that
         */
        if (onMeasureDragConstraints) {
            const userConstraints = onMeasureDragConstraints(motionDom.convertBoxToBoundingBox(measuredConstraints));
            this.hasMutatedConstraints = !!userConstraints;
            if (userConstraints) {
                measuredConstraints = motionDom.convertBoundingBoxToBox(userConstraints);
            }
        }
        return measuredConstraints;
    }
    startAnimation(velocity) {
        const { drag, dragMomentum, dragElastic, dragTransition, dragSnapToOrigin, onDragTransitionEnd, } = this.getProps();
        const constraints = this.constraints || {};
        const momentumAnimations = motionDom.eachAxis((axis) => {
            if (!shouldDrag(axis, drag, this.currentDirection)) {
                return;
            }
            let transition = (constraints && constraints[axis]) || {};
            if (dragSnapToOrigin === true ||
                dragSnapToOrigin === axis)
                transition = { min: 0, max: 0 };
            /**
             * Overdamp the boundary spring if `dragElastic` is disabled. There's still a frame
             * of spring animations so we should look into adding a disable spring option to `inertia`.
             * We could do something here where we affect the `bounceStiffness` and `bounceDamping`
             * using the value of `dragElastic`.
             */
            const bounceStiffness = dragElastic ? 200 : 1000000;
            const bounceDamping = dragElastic ? 40 : 10000000;
            const inertia = {
                type: "inertia",
                velocity: dragMomentum ? velocity[axis] : 0,
                bounceStiffness,
                bounceDamping,
                timeConstant: 750,
                restDelta: 1,
                restSpeed: 10,
                ...dragTransition,
                ...transition,
            };
            // If we're not animating on an externally-provided `MotionValue` we can use the
            // component's animation controls which will handle interactions with whileHover (etc),
            // otherwise we just have to animate the `MotionValue` itself.
            return this.startAxisValueAnimation(axis, inertia);
        });
        // Run all animations and then resolve the new drag constraints.
        return Promise.all(momentumAnimations).then(onDragTransitionEnd);
    }
    startAxisValueAnimation(axis, transition) {
        const axisValue = this.getAxisMotionValue(axis);
        motionDom.addValueToWillChange(this.visualElement, axis);
        return axisValue.start(motionDom.animateMotionValue(axis, axisValue, 0, transition, this.visualElement, false));
    }
    stopAnimation() {
        motionDom.eachAxis((axis) => this.getAxisMotionValue(axis).stop());
    }
    /**
     * Drag works differently depending on which props are provided.
     *
     * - If _dragX and _dragY are provided, we output the gesture delta directly to those motion values.
     * - Otherwise, we apply the delta to the x/y motion values.
     */
    getAxisMotionValue(axis) {
        const dragKey = `_drag${axis.toUpperCase()}`;
        const props = this.visualElement.getProps();
        const externalMotionValue = props[dragKey];
        return externalMotionValue
            ? externalMotionValue
            : this.visualElement.getValue(axis, (props.initial
                ? props.initial[axis]
                : undefined) || 0);
    }
    snapToCursor(point) {
        motionDom.eachAxis((axis) => {
            const { drag } = this.getProps();
            // If we're not dragging this axis, do an early return.
            if (!shouldDrag(axis, drag, this.currentDirection))
                return;
            const { projection } = this.visualElement;
            const axisValue = this.getAxisMotionValue(axis);
            if (projection && projection.layout) {
                const { min, max } = projection.layout.layoutBox[axis];
                /**
                 * The layout measurement includes the current transform value,
                 * so we need to add it back to get the correct snap position.
                 * This fixes an issue where elements with initial coordinates
                 * would snap to the wrong position on the first drag.
                 */
                const current = axisValue.get() || 0;
                axisValue.set(point[axis] - motionDom.mixNumber(min, max, 0.5) + current);
            }
        });
    }
    /**
     * When the viewport resizes we want to check if the measured constraints
     * have changed and, if so, reposition the element within those new constraints
     * relative to where it was before the resize.
     */
    scalePositionWithinConstraints() {
        if (!this.visualElement.current)
            return;
        const { drag, dragConstraints } = this.getProps();
        const { projection } = this.visualElement;
        if (!isRefObject(dragConstraints) || !projection || !this.constraints)
            return;
        /**
         * Stop current animations as there can be visual glitching if we try to do
         * this mid-animation
         */
        this.stopAnimation();
        /**
         * Record the relative position of the dragged element relative to the
         * constraints box and save as a progress value.
         */
        const boxProgress = { x: 0, y: 0 };
        motionDom.eachAxis((axis) => {
            const axisValue = this.getAxisMotionValue(axis);
            if (axisValue && this.constraints !== false) {
                const latest = axisValue.get();
                boxProgress[axis] = calcOrigin({ min: latest, max: latest }, this.constraints[axis]);
            }
        });
        /**
         * Update the layout of this element and resolve the latest drag constraints
         */
        const { transformTemplate } = this.visualElement.getProps();
        this.visualElement.current.style.transform = transformTemplate
            ? transformTemplate({}, "")
            : "none";
        projection.root && projection.root.updateScroll();
        projection.updateLayout();
        /**
         * Reset constraints so resolveConstraints() will recalculate them
         * with the freshly measured layout rather than returning the cached value.
         */
        this.constraints = false;
        this.resolveConstraints();
        /**
         * For each axis, calculate the current progress of the layout axis
         * within the new constraints.
         */
        motionDom.eachAxis((axis) => {
            if (!shouldDrag(axis, drag, null))
                return;
            /**
             * Calculate a new transform based on the previous box progress
             */
            const axisValue = this.getAxisMotionValue(axis);
            const { min, max } = this.constraints[axis];
            axisValue.set(motionDom.mixNumber(min, max, boxProgress[axis]));
        });
        /**
         * Flush the updated transform to the DOM synchronously to prevent
         * a visual flash at the element's CSS layout position (0,0) when
         * the transform was stripped for measurement.
         */
        this.visualElement.render();
    }
    addListeners() {
        if (!this.visualElement.current)
            return;
        elementDragControls.set(this.visualElement, this);
        const element = this.visualElement.current;
        /**
         * Attach a pointerdown event listener on this DOM element to initiate drag tracking.
         */
        const stopPointerListener = addPointerEvent(element, "pointerdown", (event) => {
            const { drag, dragListener = true } = this.getProps();
            const target = event.target;
            /**
             * Only block drag if clicking on a text input child element
             * (input, textarea, select, contenteditable) where users might
             * want to select text or interact with the control.
             *
             * Buttons and links don't block drag since they don't have
             * click-and-move actions of their own.
             */
            const isClickingTextInputChild = target !== element && motionDom.isElementTextInput(target);
            if (drag && dragListener && !isClickingTextInputChild) {
                this.start(event);
            }
        });
        /**
         * If using ref-based constraints, observe both the draggable element
         * and the constraint container for size changes via ResizeObserver.
         * Setup is deferred because dragConstraints.current is null when
         * addListeners first runs (React hasn't committed the ref yet).
         */
        let stopResizeObservers;
        const measureDragConstraints = () => {
            const { dragConstraints } = this.getProps();
            if (isRefObject(dragConstraints) && dragConstraints.current) {
                this.constraints = this.resolveRefConstraints();
                if (!stopResizeObservers) {
                    stopResizeObservers = startResizeObservers(element, dragConstraints.current, () => this.scalePositionWithinConstraints());
                }
            }
        };
        const { projection } = this.visualElement;
        const stopMeasureLayoutListener = projection.addEventListener("measure", measureDragConstraints);
        if (projection && !projection.layout) {
            projection.root && projection.root.updateScroll();
            projection.updateLayout();
        }
        motionDom.frame.read(measureDragConstraints);
        /**
         * Attach a window resize listener to scale the draggable target within its defined
         * constraints as the window resizes.
         */
        const stopResizeListener = motionDom.addDomEvent(window, "resize", () => this.scalePositionWithinConstraints());
        /**
         * If the element's layout changes, calculate the delta and apply that to
         * the drag gesture's origin point.
         */
        const stopLayoutUpdateListener = projection.addEventListener("didUpdate", (({ delta, hasLayoutChanged }) => {
            if (this.isDragging && hasLayoutChanged) {
                motionDom.eachAxis((axis) => {
                    const motionValue = this.getAxisMotionValue(axis);
                    if (!motionValue)
                        return;
                    this.originPoint[axis] += delta[axis].translate;
                    motionValue.set(motionValue.get() + delta[axis].translate);
                });
                this.visualElement.render();
            }
        }));
        return () => {
            stopResizeListener();
            stopPointerListener();
            stopMeasureLayoutListener();
            stopLayoutUpdateListener && stopLayoutUpdateListener();
            stopResizeObservers && stopResizeObservers();
        };
    }
    getProps() {
        const props = this.visualElement.getProps();
        const { drag = false, dragDirectionLock = false, dragPropagation = false, dragConstraints = false, dragElastic = defaultElastic, dragMomentum = true, } = props;
        return {
            ...props,
            drag,
            dragDirectionLock,
            dragPropagation,
            dragConstraints,
            dragElastic,
            dragMomentum,
        };
    }
}
function skipFirstCall(callback) {
    let isFirst = true;
    return () => {
        if (isFirst) {
            isFirst = false;
            return;
        }
        callback();
    };
}
function startResizeObservers(element, constraintsElement, onResize) {
    const stopElement = motionDom.resize(element, skipFirstCall(onResize));
    const stopContainer = motionDom.resize(constraintsElement, skipFirstCall(onResize));
    return () => {
        stopElement();
        stopContainer();
    };
}
function shouldDrag(direction, drag, currentDirection) {
    return ((drag === true || drag === direction) &&
        (currentDirection === null || currentDirection === direction));
}
/**
 * Based on an x/y offset determine the current drag direction. If both axis' offsets are lower
 * than the provided threshold, return `null`.
 *
 * @param offset - The x/y offset from origin.
 * @param lockThreshold - (Optional) - the minimum absolute offset before we can determine a drag direction.
 */
function getCurrentDirection(offset, lockThreshold = 10) {
    let direction = null;
    if (Math.abs(offset.y) > lockThreshold) {
        direction = "y";
    }
    else if (Math.abs(offset.x) > lockThreshold) {
        direction = "x";
    }
    return direction;
}

class DragGesture extends motionDom.Feature {
    constructor(node) {
        super(node);
        this.removeGroupControls = motionUtils.noop;
        this.removeListeners = motionUtils.noop;
        this.controls = new VisualElementDragControls(node);
    }
    mount() {
        // If we've been provided a DragControls for manual control over the drag gesture,
        // subscribe this component to it on mount.
        const { dragControls } = this.node.getProps();
        if (dragControls) {
            this.removeGroupControls = dragControls.subscribe(this.controls);
        }
        this.removeListeners = this.controls.addListeners() || motionUtils.noop;
    }
    update() {
        const { dragControls } = this.node.getProps();
        const { dragControls: prevDragControls } = this.node.prevProps || {};
        if (dragControls !== prevDragControls) {
            this.removeGroupControls();
            if (dragControls) {
                this.removeGroupControls = dragControls.subscribe(this.controls);
            }
        }
    }
    unmount() {
        this.removeGroupControls();
        this.removeListeners();
        /**
         * In React 19, during list reorder reconciliation, components may
         * briefly unmount and remount while the drag is still active. If we're
         * actively dragging, we should NOT end the pan session - it will
         * continue tracking pointer events via its window-level listeners.
         *
         * The pan session will be properly cleaned up when:
         * 1. The drag ends naturally (pointerup/pointercancel)
         * 2. The component is truly removed from the DOM
         */
        if (!this.controls.isDragging) {
            this.controls.endPanSession();
        }
    }
}

const asyncHandler = (handler) => (event, info) => {
    if (handler) {
        motionDom.frame.update(() => handler(event, info), false, true);
    }
};
class PanGesture extends motionDom.Feature {
    constructor() {
        super(...arguments);
        this.removePointerDownListener = motionUtils.noop;
    }
    onPointerDown(pointerDownEvent) {
        this.session = new PanSession(pointerDownEvent, this.createPanHandlers(), {
            transformPagePoint: this.node.getTransformPagePoint(),
            contextWindow: getContextWindow(this.node),
        });
    }
    createPanHandlers() {
        const { onPanSessionStart, onPanStart, onPan, onPanEnd } = this.node.getProps();
        return {
            onSessionStart: asyncHandler(onPanSessionStart),
            onStart: asyncHandler(onPanStart),
            onMove: asyncHandler(onPan),
            onEnd: (event, info) => {
                delete this.session;
                if (onPanEnd) {
                    motionDom.frame.postRender(() => onPanEnd(event, info));
                }
            },
        };
    }
    mount() {
        this.removePointerDownListener = addPointerEvent(this.node.current, "pointerdown", (event) => this.onPointerDown(event));
    }
    update() {
        this.session && this.session.updateHandlers(this.createPanHandlers());
    }
    unmount() {
        this.removePointerDownListener();
        this.session && this.session.end();
    }
}

/**
 * Track whether we've taken any snapshots yet. If not,
 * we can safely skip notification of didUpdate.
 *
 * Difficult to capture in a test but to prevent flickering
 * we must set this to true either on update or unmount.
 * Running `next-env/layout-id` in Safari will show this behaviour if broken.
 */
let hasTakenAnySnapshot = false;
class MeasureLayoutWithContext extends React.Component {
    /**
     * This only mounts projection nodes for components that
     * need measuring, we might want to do it for all components
     * in order to incorporate transforms
     */
    componentDidMount() {
        const { visualElement, layoutGroup, switchLayoutGroup, layoutId } = this.props;
        const { projection } = visualElement;
        if (projection) {
            if (layoutGroup.group)
                layoutGroup.group.add(projection);
            if (switchLayoutGroup && switchLayoutGroup.register && layoutId) {
                switchLayoutGroup.register(projection);
            }
            if (hasTakenAnySnapshot) {
                projection.root.didUpdate();
            }
            projection.addEventListener("animationComplete", () => {
                this.safeToRemove();
            });
            projection.setOptions({
                ...projection.options,
                layoutDependency: this.props.layoutDependency,
                onExitComplete: () => this.safeToRemove(),
            });
        }
        motionDom.globalProjectionState.hasEverUpdated = true;
    }
    getSnapshotBeforeUpdate(prevProps) {
        const { layoutDependency, visualElement, drag, isPresent } = this.props;
        const { projection } = visualElement;
        if (!projection)
            return null;
        /**
         * TODO: We use this data in relegate to determine whether to
         * promote a previous element. There's no guarantee its presence data
         * will have updated by this point - if a bug like this arises it will
         * have to be that we markForRelegation and then find a new lead some other way,
         * perhaps in didUpdate
         */
        projection.isPresent = isPresent;
        if (prevProps.layoutDependency !== layoutDependency) {
            projection.setOptions({
                ...projection.options,
                layoutDependency,
            });
        }
        hasTakenAnySnapshot = true;
        if (drag ||
            prevProps.layoutDependency !== layoutDependency ||
            layoutDependency === undefined ||
            prevProps.isPresent !== isPresent) {
            projection.willUpdate();
        }
        else {
            this.safeToRemove();
        }
        if (prevProps.isPresent !== isPresent) {
            if (isPresent) {
                projection.promote();
            }
            else if (!projection.relegate()) {
                /**
                 * If there's another stack member taking over from this one,
                 * it's in charge of the exit animation and therefore should
                 * be in charge of the safe to remove. Otherwise we call it here.
                 */
                motionDom.frame.postRender(() => {
                    const stack = projection.getStack();
                    if (!stack || !stack.members.length) {
                        this.safeToRemove();
                    }
                });
            }
        }
        return null;
    }
    componentDidUpdate() {
        const { visualElement, layoutAnchor } = this.props;
        const { projection } = visualElement;
        if (projection) {
            projection.options.layoutAnchor = layoutAnchor;
            projection.root.didUpdate();
            motionDom.microtask.postRender(() => {
                if (!projection.currentAnimation && projection.isLead()) {
                    this.safeToRemove();
                }
            });
        }
    }
    componentWillUnmount() {
        const { visualElement, layoutGroup, switchLayoutGroup: promoteContext, } = this.props;
        const { projection } = visualElement;
        hasTakenAnySnapshot = true;
        if (projection) {
            projection.scheduleCheckAfterUnmount();
            if (layoutGroup && layoutGroup.group)
                layoutGroup.group.remove(projection);
            if (promoteContext && promoteContext.deregister)
                promoteContext.deregister(projection);
        }
    }
    safeToRemove() {
        const { safeToRemove } = this.props;
        safeToRemove && safeToRemove();
    }
    render() {
        return null;
    }
}
function MeasureLayout(props) {
    const [isPresent, safeToRemove] = usePresence();
    const layoutGroup = React.useContext(LayoutGroupContext);
    return (jsxRuntime.jsx(MeasureLayoutWithContext, { ...props, layoutGroup: layoutGroup, switchLayoutGroup: React.useContext(SwitchLayoutGroupContext), isPresent: isPresent, safeToRemove: safeToRemove }));
}

const drag = {
    pan: {
        Feature: PanGesture,
    },
    drag: {
        Feature: DragGesture,
        ProjectionNode: motionDom.HTMLProjectionNode,
        MeasureLayout,
    },
};

function handleHoverEvent(node, event, lifecycle) {
    const { props } = node;
    if (node.animationState && props.whileHover) {
        node.animationState.setActive("whileHover", lifecycle === "Start");
    }
    const eventName = ("onHover" + lifecycle);
    const callback = props[eventName];
    if (callback) {
        motionDom.frame.postRender(() => callback(event, extractEventInfo(event)));
    }
}
class HoverGesture extends motionDom.Feature {
    mount() {
        const { current } = this.node;
        if (!current)
            return;
        this.unmount = motionDom.hover(current, (_element, startEvent) => {
            handleHoverEvent(this.node, startEvent, "Start");
            return (endEvent) => handleHoverEvent(this.node, endEvent, "End");
        });
    }
    unmount() { }
}

class FocusGesture extends motionDom.Feature {
    constructor() {
        super(...arguments);
        this.isActive = false;
    }
    onFocus() {
        let isFocusVisible = false;
        /**
         * If this element doesn't match focus-visible then don't
         * apply whileHover. But, if matches throws that focus-visible
         * is not a valid selector then in that browser outline styles will be applied
         * to the element by default and we want to match that behaviour with whileFocus.
         */
        try {
            isFocusVisible = this.node.current.matches(":focus-visible");
        }
        catch (e) {
            isFocusVisible = true;
        }
        if (!isFocusVisible || !this.node.animationState)
            return;
        this.node.animationState.setActive("whileFocus", true);
        this.isActive = true;
    }
    onBlur() {
        if (!this.isActive || !this.node.animationState)
            return;
        this.node.animationState.setActive("whileFocus", false);
        this.isActive = false;
    }
    mount() {
        this.unmount = motionUtils.pipe(motionDom.addDomEvent(this.node.current, "focus", () => this.onFocus()), motionDom.addDomEvent(this.node.current, "blur", () => this.onBlur()));
    }
    unmount() { }
}

function handlePressEvent(node, event, lifecycle) {
    const { props } = node;
    if (node.current instanceof HTMLButtonElement && node.current.disabled) {
        return;
    }
    if (node.animationState && props.whileTap) {
        node.animationState.setActive("whileTap", lifecycle === "Start");
    }
    const eventName = ("onTap" + (lifecycle === "End" ? "" : lifecycle));
    const callback = props[eventName];
    if (callback) {
        motionDom.frame.postRender(() => callback(event, extractEventInfo(event)));
    }
}
class PressGesture extends motionDom.Feature {
    mount() {
        const { current } = this.node;
        if (!current)
            return;
        const { globalTapTarget, propagate } = this.node.props;
        this.unmount = motionDom.press(current, (_element, startEvent) => {
            handlePressEvent(this.node, startEvent, "Start");
            return (endEvent, { success }) => handlePressEvent(this.node, endEvent, success ? "End" : "Cancel");
        }, {
            useGlobalTarget: globalTapTarget,
            stopPropagation: propagate?.tap === false,
        });
    }
    unmount() { }
}

/**
 * Map an IntersectionHandler callback to an element. We only ever make one handler for one
 * element, so even though these handlers might all be triggered by different
 * observers, we can keep them in the same map.
 */
const observerCallbacks = new WeakMap();
/**
 * Multiple observers can be created for multiple element/document roots. Each with
 * different settings. So here we store dictionaries of observers to each root,
 * using serialised settings (threshold/margin) as lookup keys.
 */
const observers = new WeakMap();
const fireObserverCallback = (entry) => {
    const callback = observerCallbacks.get(entry.target);
    callback && callback(entry);
};
const fireAllObserverCallbacks = (entries) => {
    entries.forEach(fireObserverCallback);
};
function initIntersectionObserver({ root, ...options }) {
    const lookupRoot = root || document;
    /**
     * If we don't have an observer lookup map for this root, create one.
     */
    if (!observers.has(lookupRoot)) {
        observers.set(lookupRoot, {});
    }
    const rootObservers = observers.get(lookupRoot);
    const key = JSON.stringify(options);
    /**
     * If we don't have an observer for this combination of root and settings,
     * create one.
     */
    if (!rootObservers[key]) {
        rootObservers[key] = new IntersectionObserver(fireAllObserverCallbacks, { root, ...options });
    }
    return rootObservers[key];
}
function observeIntersection(element, options, callback) {
    const rootInteresectionObserver = initIntersectionObserver(options);
    observerCallbacks.set(element, callback);
    rootInteresectionObserver.observe(element);
    return () => {
        observerCallbacks.delete(element);
        rootInteresectionObserver.unobserve(element);
    };
}

const thresholdNames = {
    some: 0,
    all: 1,
};
class InViewFeature extends motionDom.Feature {
    constructor() {
        super(...arguments);
        this.hasEnteredView = false;
        this.isInView = false;
    }
    startObserver() {
        this.stopObserver?.();
        const { viewport = {} } = this.node.getProps();
        const { root, margin: rootMargin, amount = "some", once } = viewport;
        const options = {
            root: root ? root.current : undefined,
            rootMargin,
            threshold: typeof amount === "number" ? amount : thresholdNames[amount],
        };
        const onIntersectionUpdate = (entry) => {
            const { isIntersecting } = entry;
            /**
             * If there's been no change in the viewport state, early return.
             */
            if (this.isInView === isIntersecting)
                return;
            this.isInView = isIntersecting;
            /**
             * Handle hasEnteredView. If this is only meant to run once, and
             * element isn't visible, early return. Otherwise set hasEnteredView to true.
             */
            if (once && !isIntersecting && this.hasEnteredView) {
                return;
            }
            else if (isIntersecting) {
                this.hasEnteredView = true;
            }
            if (this.node.animationState) {
                this.node.animationState.setActive("whileInView", isIntersecting);
            }
            /**
             * Use the latest committed props rather than the ones in scope
             * when this observer is created
             */
            const { onViewportEnter, onViewportLeave } = this.node.getProps();
            const callback = isIntersecting ? onViewportEnter : onViewportLeave;
            callback && callback(entry);
        };
        this.stopObserver = observeIntersection(this.node.current, options, onIntersectionUpdate);
    }
    mount() {
        this.startObserver();
    }
    update() {
        if (typeof IntersectionObserver === "undefined")
            return;
        const { props, prevProps } = this.node;
        const hasOptionsChanged = ["amount", "margin", "root"].some(hasViewportOptionChanged(props, prevProps));
        if (hasOptionsChanged) {
            this.startObserver();
        }
    }
    unmount() {
        this.stopObserver?.();
        this.hasEnteredView = false;
        this.isInView = false;
    }
}
function hasViewportOptionChanged({ viewport = {} }, { viewport: prevViewport = {} } = {}) {
    return (name) => viewport[name] !== prevViewport[name];
}

const gestureAnimations = {
    inView: {
        Feature: InViewFeature,
    },
    tap: {
        Feature: PressGesture,
    },
    focus: {
        Feature: FocusGesture,
    },
    hover: {
        Feature: HoverGesture,
    },
};

const layout = {
    layout: {
        ProjectionNode: motionDom.HTMLProjectionNode,
        MeasureLayout,
    },
};

const featureBundle = {
    ...animations,
    ...gestureAnimations,
    ...drag,
    ...layout,
};

exports.LayoutGroupContext = LayoutGroupContext;
exports.LazyContext = LazyContext;
exports.MotionConfigContext = MotionConfigContext;
exports.MotionContext = MotionContext;
exports.PresenceContext = PresenceContext;
exports.SwitchLayoutGroupContext = SwitchLayoutGroupContext;
exports.addPointerEvent = addPointerEvent;
exports.addPointerInfo = addPointerInfo;
exports.animations = animations;
exports.createDomVisualElement = createDomVisualElement;
exports.createMotionComponent = createMotionComponent;
exports.distance = distance;
exports.distance2D = distance2D;
exports.drag = drag;
exports.featureBundle = featureBundle;
exports.filterProps = filterProps;
exports.gestureAnimations = gestureAnimations;
exports.isBrowser = isBrowser;
exports.isValidMotionProp = isValidMotionProp;
exports.layout = layout;
exports.loadExternalIsValidProp = loadExternalIsValidProp;
exports.loadFeatures = loadFeatures;
exports.makeUseVisualState = makeUseVisualState;
exports.motionComponentSymbol = motionComponentSymbol;
exports.useConstant = useConstant;
exports.useIsPresent = useIsPresent;
exports.useIsomorphicLayoutEffect = useIsomorphicLayoutEffect;
exports.usePresence = usePresence;//# sourceMappingURL=http://go/sourcemap/sourcemaps/fc2563ec93d793fc275eef734405a4fdf8b47b20/node_modules/framer-motion/dist/cjs/feature-bundle-BieBX2Jn.js.map
