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Current File : /home/forge/evolutionequity.com/node_modules/framer-motion/dist/framer-motion.es.js
import { __assign, __spreadArrays, __rest, __extends } from 'tslib';
import { useRef, memo, useEffect, createContext, useContext, useMemo, forwardRef, createElement, Fragment, useCallback, useState, Component, useLayoutEffect, cloneElement, Children, isValidElement } from 'react';
import sync, { getFrameData, cancelSync } from 'framesync';
import { velocityPerSecond, distance, mix, interpolate, wrap } from '@popmotion/popcorn';
import styler, { createStylerFactory, buildStyleProperty, isTransformProp, transformProps, buildSVGAttrs } from 'stylefire';
import { invariant, warning } from 'hey-listen';
import { color, complex, number, px, percent, degrees, vw, vh } from 'style-value-types';
import { action, delay, tween, spring, keyframes as keyframes$1, inertia } from 'popmotion';
import * as easingLookup from '@popmotion/easing';
import { cubicBezier, linear } from '@popmotion/easing';

var isFloat = function (value) {
    return !isNaN(parseFloat(value));
};
/**
 * `MotionValue` is used to track the state and velocity of motion values.
 *
 * @public
 */
var MotionValue = /** @class */ (function () {
    /**
     * @param init - The initiating value
     * @param config - Optional configuration options
     *
     * -  `transformer`: A function to transform incoming values with.
     *
     * @internal
     */
    function MotionValue(init, _a) {
        var _this = this;
        var _b = _a === void 0 ? {} : _a, transformer = _b.transformer, parent = _b.parent;
        /**
         * Duration, in milliseconds, since last updating frame.
         *
         * @internal
         */
        this.timeDelta = 0;
        /**
         * Timestamp of the last time this `MotionValue` was updated.
         *
         * @internal
         */
        this.lastUpdated = 0;
        /**
         * Tracks whether this value can output a velocity. Currently this is only true
         * if the value is numerical, but we might be able to widen the scope here and support
         * other value types.
         *
         * @internal
         */
        this.canTrackVelocity = false;
        this.updateAndNotify = function (v, render) {
            if (render === void 0) { render = true; }
            _this.prev = _this.current;
            _this.current = _this.transformer ? _this.transformer(v) : v;
            if (_this.updateSubscribers && _this.prev !== _this.current) {
                _this.updateSubscribers.forEach(_this.notifySubscriber);
            }
            if (_this.children) {
                _this.children.forEach(_this.setChild);
            }
            if (render && _this.renderSubscribers) {
                _this.renderSubscribers.forEach(_this.notifySubscriber);
            }
            // Update timestamp
            var _a = getFrameData(), delta = _a.delta, timestamp = _a.timestamp;
            if (_this.lastUpdated !== timestamp) {
                _this.timeDelta = delta;
                _this.lastUpdated = timestamp;
                sync.postRender(_this.scheduleVelocityCheck);
            }
        };
        /**
         * Notify a subscriber with the latest value.
         *
         * This is an instanced and bound function to prevent generating a new
         * function once per frame.
         *
         * @param subscriber - The subscriber to notify.
         *
         * @internal
         */
        this.notifySubscriber = function (subscriber) {
            subscriber(_this.current);
        };
        /**
         * Schedule a velocity check for the next frame.
         *
         * This is an instanced and bound function to prevent generating a new
         * function once per frame.
         *
         * @internal
         */
        this.scheduleVelocityCheck = function () { return sync.postRender(_this.velocityCheck); };
        /**
         * Updates `prev` with `current` if the value hasn't been updated this frame.
         * This ensures velocity calculations return `0`.
         *
         * This is an instanced and bound function to prevent generating a new
         * function once per frame.
         *
         * @internal
         */
        this.velocityCheck = function (_a) {
            var timestamp = _a.timestamp;
            if (timestamp !== _this.lastUpdated) {
                _this.prev = _this.current;
            }
        };
        /**
         * Updates child `MotionValue`.
         *
         * @param child - Child `MotionValue`.
         *
         * @internal
         */
        this.setChild = function (child) { return child.set(_this.current); };
        this.parent = parent;
        this.transformer = transformer;
        this.set(init, false);
        this.canTrackVelocity = isFloat(this.current);
    }
    /**
     * Creates a new `MotionValue` that's subscribed to the output of this one.
     *
     * @param config - Optional configuration options
     *
     * -  `transformer`: A function to transform incoming values with.
     *
     * @internal
     */
    MotionValue.prototype.addChild = function (config) {
        if (config === void 0) { config = {}; }
        var child = new MotionValue(this.current, __assign({ parent: this }, config));
        if (!this.children)
            this.children = new Set();
        this.children.add(child);
        return child;
    };
    /**
     * Stops a `MotionValue` from being subscribed to this one.
     *
     * @param child - The subscribed `MotionValue`
     *
     * @internal
     */
    MotionValue.prototype.removeChild = function (child) {
        if (!this.children) {
            return;
        }
        this.children.delete(child);
    };
    /**
     * Subscribes a subscriber function to a subscription list.
     *
     * @param subscriptions - A `Set` of subscribers.
     * @param subscription - A subscriber function.
     */
    MotionValue.prototype.subscribeTo = function (subscriptions, subscription) {
        var _this = this;
        var updateSubscriber = function () { return subscription(_this.current); };
        subscriptions.add(updateSubscriber);
        return function () { return subscriptions.delete(updateSubscriber); };
    };
    /**
     * Adds a function that will be notified when the `MotionValue` is updated.
     *
     * It returns a function that, when called, will cancel the subscription.
     *
     * When calling `onChange` inside a React component, it should be wrapped with the
     * `useEffect` hook. As it returns an unsubscribe function, this should be returned
     * from the `useEffect` function to ensure you don't add duplicate subscribers..
     *
     * @library
     *
     * ```jsx
     * function MyComponent() {
     *   const x = useMotionValue(0)
     *   const y = useMotionValue(0)
     *   const opacity = useMotionValue(1)
     *
     *   useEffect(() => {
     *     function updateOpacity() {
     *       const maxXY = Math.max(x.get(), y.get())
     *       const newOpacity = transform(maxXY, [0, 100], [1, 0])
     *       opacity.set(newOpacity)
     *     }
     *
     *     const unsubscribeX = x.onChange(updateOpacity)
     *     const unsubscribeY = y.onChange(updateOpacity)
     *
     *     return () => {
     *       unsubscribeX()
     *       unsubscribeY()
     *     }
     *   }, [])
     *
     *   return <Frame x={x} />
     * }
     * ```
     *
     * @motion
     *
     * ```jsx
     * export const MyComponent = () => {
     *   const x = useMotionValue(0)
     *   const y = useMotionValue(0)
     *   const opacity = useMotionValue(1)
     *
     *   useEffect(() => {
     *     function updateOpacity() {
     *       const maxXY = Math.max(x.get(), y.get())
     *       const newOpacity = transform(maxXY, [0, 100], [1, 0])
     *       opacity.set(newOpacity)
     *     }
     *
     *     const unsubscribeX = x.onChange(updateOpacity)
     *     const unsubscribeY = y.onChange(updateOpacity)
     *
     *     return () => {
     *       unsubscribeX()
     *       unsubscribeY()
     *     }
     *   }, [])
     *
     *   return <motion.div style={{ x }} />
     * }
     * ```
     *
     * @internalremarks
     *
     * We could look into a `useOnChange` hook if the above lifecycle management proves confusing.
     *
     * ```jsx
     * useOnChange(x, () => {})
     * ```
     *
     * @param subscriber - A function that receives the latest value.
     * @returns A function that, when called, will cancel this subscription.
     *
     * @public
     */
    MotionValue.prototype.onChange = function (subscription) {
        if (!this.updateSubscribers)
            this.updateSubscribers = new Set();
        return this.subscribeTo(this.updateSubscribers, subscription);
    };
    /**
     * Adds a function that will be notified when the `MotionValue` requests a render.
     *
     * @param subscriber - A function that's provided the latest value.
     * @returns A function that, when called, will cancel this subscription.
     *
     * @internal
     */
    MotionValue.prototype.onRenderRequest = function (subscription) {
        if (!this.renderSubscribers)
            this.renderSubscribers = new Set();
        // Render immediately
        this.notifySubscriber(subscription);
        return this.subscribeTo(this.renderSubscribers, subscription);
    };
    /**
     * Attaches a passive effect to the `MotionValue`.
     *
     * @internal
     */
    MotionValue.prototype.attach = function (passiveEffect) {
        this.passiveEffect = passiveEffect;
    };
    /**
     * Sets the state of the `MotionValue`.
     *
     * @remarks
     *
     * ```jsx
     * const x = useMotionValue(0)
     * x.set(10)
     * ```
     *
     * @param latest - Latest value to set.
     * @param render - Whether to notify render subscribers. Defaults to `true`
     *
     * @public
     */
    MotionValue.prototype.set = function (v, render) {
        if (render === void 0) { render = true; }
        if (!render || !this.passiveEffect) {
            this.updateAndNotify(v, render);
        }
        else {
            this.passiveEffect(v, this.updateAndNotify);
        }
    };
    /**
     * Returns the latest state of `MotionValue`
     *
     * @returns - The latest state of `MotionValue`
     *
     * @public
     */
    MotionValue.prototype.get = function () {
        return this.current;
    };
    /**
     * Returns the latest velocity of `MotionValue`
     *
     * @returns - The latest velocity of `MotionValue`. Returns `0` if the state is non-numerical.
     *
     * @public
     */
    MotionValue.prototype.getVelocity = function () {
        // This could be isFloat(this.prev) && isFloat(this.current), but that would be wasteful
        return this.canTrackVelocity
            ? // These casts could be avoided if parseFloat would be typed better
                velocityPerSecond(parseFloat(this.current) -
                    parseFloat(this.prev), this.timeDelta)
            : 0;
    };
    /**
     * Registers a new animation to control this `MotionValue`. Only one
     * animation can drive a `MotionValue` at one time.
     *
     * ```jsx
     * value.start()
     * ```
     *
     * @param animation - A function that starts the provided animation
     *
     * @internal
     */
    MotionValue.prototype.start = function (animation) {
        var _this = this;
        this.stop();
        return new Promise(function (resolve) {
            _this.stopAnimation = animation(resolve);
        }).then(function () { return _this.clearAnimation(); });
    };
    /**
     * Stop the currently active animation.
     *
     * @public
     */
    MotionValue.prototype.stop = function () {
        if (this.stopAnimation)
            this.stopAnimation();
        this.clearAnimation();
    };
    /**
     * Returns `true` if this value is currently animating.
     *
     * @public
     */
    MotionValue.prototype.isAnimating = function () {
        return !!this.stopAnimation;
    };
    MotionValue.prototype.clearAnimation = function () {
        this.stopAnimation = null;
    };
    /**
     * Destroy and clean up subscribers to this `MotionValue`.
     *
     * The `MotionValue` hooks like `useMotionValue` and `useTransform` automatically
     * handle the lifecycle of the returned `MotionValue`, so this method is only necessary if you've manually
     * created a `MotionValue` via the `motionValue` function.
     *
     * @public
     */
    MotionValue.prototype.destroy = function () {
        this.updateSubscribers && this.updateSubscribers.clear();
        this.renderSubscribers && this.renderSubscribers.clear();
        this.parent && this.parent.removeChild(this);
        this.stop();
    };
    return MotionValue;
}());
/**
 * @internal
 */
function motionValue(init, opts) {
    return new MotionValue(init, opts);
}

/**
 * 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) {
    var ref = useRef(null);
    if (ref.current === null) {
        ref.current = init();
    }
    return ref.current;
}

var isMotionValue = function (value) {
    return value instanceof MotionValue;
};

// Creating a styler factory for the `onUpdate` prop allows all values
// to fire and the `onUpdate` prop will only fire once per frame
var updateStyler = createStylerFactory({
    onRead: function () { return null; },
    onRender: function (state, _a) {
        var onUpdate = _a.onUpdate;
        return onUpdate(state);
    },
});
var MotionValuesMap = /** @class */ (function () {
    function MotionValuesMap() {
        this.hasMounted = false;
        this.values = new Map();
        this.unsubscribers = new Map();
    }
    MotionValuesMap.prototype.has = function (key) {
        return this.values.has(key);
    };
    MotionValuesMap.prototype.set = function (key, value) {
        this.values.set(key, value);
        if (this.hasMounted) {
            this.bindValueToOutput(key, value);
        }
    };
    MotionValuesMap.prototype.get = function (key, defaultValue) {
        var value = this.values.get(key);
        if (value === undefined && defaultValue !== undefined) {
            value = new MotionValue(defaultValue);
            this.set(key, value);
        }
        return value;
    };
    MotionValuesMap.prototype.forEach = function (callback) {
        return this.values.forEach(callback);
    };
    MotionValuesMap.prototype.bindValueToOutput = function (key, value) {
        var _this = this;
        var onRender = function (v) { return _this.output && _this.output(key, v); };
        var unsubscribeOnRender = value.onRenderRequest(onRender);
        var onChange = function (v) {
            _this.onUpdate && _this.onUpdate.set(key, v);
        };
        var unsubscribeOnChange = value.onChange(onChange);
        if (this.unsubscribers.has(key)) {
            this.unsubscribers.get(key)();
        }
        this.unsubscribers.set(key, function () {
            unsubscribeOnRender();
            unsubscribeOnChange();
        });
    };
    MotionValuesMap.prototype.setOnUpdate = function (onUpdate) {
        this.onUpdate = undefined;
        if (onUpdate) {
            this.onUpdate = updateStyler({ onUpdate: onUpdate });
        }
    };
    MotionValuesMap.prototype.setTransformTemplate = function (transformTemplate) {
        if (this.transformTemplate !== transformTemplate) {
            this.transformTemplate = transformTemplate;
            this.updateTransformTemplate();
        }
    };
    MotionValuesMap.prototype.getTransformTemplate = function () {
        return this.transformTemplate;
    };
    MotionValuesMap.prototype.updateTransformTemplate = function () {
        if (this.output) {
            this.output("transform", this.transformTemplate);
        }
    };
    MotionValuesMap.prototype.mount = function (output) {
        var _this = this;
        this.hasMounted = true;
        if (output)
            this.output = output;
        this.values.forEach(function (value, key) { return _this.bindValueToOutput(key, value); });
        this.updateTransformTemplate();
    };
    MotionValuesMap.prototype.unmount = function () {
        var _this = this;
        this.values.forEach(function (_value, key) {
            var unsubscribe = _this.unsubscribers.get(key);
            unsubscribe && unsubscribe();
        });
    };
    return MotionValuesMap;
}());
var specialMotionValueProps = new Set(["dragOriginX", "dragOriginY"]);
var useMotionValues = function (props) {
    var motionValues = useConstant(function () {
        var map = new MotionValuesMap();
        /**
         * Loop through every prop and add any detected `MotionValue`s. This is SVG-specific
         * code that should be extracted, perhaps considered hollistically with `useMotionStyles`.
         *
         * <motion.circle cx={motionValue(0)} />
         */
        for (var key in props) {
            if (isMotionValue(props[key]) &&
                !specialMotionValueProps.has(key)) {
                map.set(key, props[key]);
            }
        }
        return map;
    });
    motionValues.setOnUpdate(props.onUpdate);
    motionValues.setTransformTemplate(props.transformTemplate);
    return motionValues;
};

var session = null;
var syncRenderSession = {
    isOpen: function () { return session !== null; },
    open: function () {
        invariant(!session, "Sync render session already open");
        session = [];
    },
    flush: function () {
        invariant(session !== null, "No sync render session found");
        session && session.forEach(function (styler) { return styler.render(); });
        session = null;
    },
    push: function (styler) {
        invariant(session !== null, "No sync render session found");
        session && session.push(styler);
    },
};

/**
 * `useEffect` gets resolved bottom-up. We defer some optional functionality to child
 * components, so to ensure everything runs correctly we export the ref-binding logic
 * to a new component rather than in `useMotionValues`.
 */
var MountComponent = function (_a) {
    var ref = _a.innerRef, values = _a.values, isStatic = _a.isStatic;
    useEffect(function () {
        invariant(ref.current instanceof Element, "No `ref` found. Ensure components created with `motion.custom` forward refs using `React.forwardRef`");
        var domStyler = styler(ref.current, {
            preparseOutput: false,
            enableHardwareAcceleration: !isStatic,
        });
        values.mount(function (key, value) {
            domStyler.set(key, value);
            if (syncRenderSession.isOpen()) {
                syncRenderSession.push(domStyler);
            }
        });
        return function () { return values.unmount(); };
    }, []);
    return null;
};
var Mount = memo(MountComponent);

var createValueResolver = function (resolver) { return function (values) {
    var resolvedValues = {};
    values.forEach(function (value, key) { return (resolvedValues[key] = resolver(value)); });
    return resolvedValues;
}; };
var resolveCurrent = createValueResolver(function (value) { return value.get(); });

var transformOriginProps = new Set(["originX", "originY", "originZ"]);
var isTransformOriginProp = function (key) { return transformOriginProps.has(key); };
var buildStyleAttr = function (values, styleProp, isStatic) {
    var motionValueStyles = resolveCurrent(values);
    var transformTemplate = values.getTransformTemplate();
    if (transformTemplate) {
        // If `transform` has been manually set as a string, pass that through the template
        // otherwise pass it forward to Stylefire's style property builder
        motionValueStyles.transform = styleProp.transform
            ? transformTemplate({}, styleProp.transform)
            : transformTemplate;
    }
    return buildStyleProperty(__assign(__assign({}, styleProp), motionValueStyles), !isStatic);
};
var useMotionStyles = function (values, styleProp, isStatic, transformValues) {
    if (styleProp === void 0) { styleProp = {}; }
    var style = {};
    var prevMotionStyles = useRef({}).current;
    for (var key in styleProp) {
        var thisStyle = styleProp[key];
        if (isMotionValue(thisStyle)) {
            // If this is a motion value, add it to our MotionValuesMap
            values.set(key, thisStyle);
        }
        else if (!isStatic &&
            (isTransformProp(key) || isTransformOriginProp(key))) {
            // Or if it's a transform prop, create a motion value (or update an existing one)
            // to ensure Stylefire can reconcile all the transform values together.
            // A further iteration on this would be to create a single styler per component that gets
            // used in the DOM renderer's buildStyleAttr *and* animations, then we would only
            // have to convert animating values to `MotionValues` (we could probably remove this entire function).
            // The only architectural consideration is to allow Stylefire to have elements mounted after
            // a styler is created.
            if (!values.has(key)) {
                // If it doesn't exist as a motion value, create it
                values.set(key, motionValue(thisStyle));
            }
            else {
                // Otherwise only update it if it's changed from a previous render
                if (thisStyle !== prevMotionStyles[key]) {
                    var value = values.get(key);
                    value.set(thisStyle);
                }
            }
            prevMotionStyles[key] = thisStyle;
        }
        else {
            style[key] = thisStyle;
        }
    }
    return transformValues ? transformValues(style) : style;
};

var isKeyframesTarget = function (v) {
    return Array.isArray(v);
};

var isCustomValue = function (v) {
    return Boolean(v && typeof v === "object" && v.mix && v.toValue);
};
var resolveFinalValueInKeyframes = function (v) {
    // TODO maybe throw if v.length - 1 is placeholder token?
    return isKeyframesTarget(v) ? v[v.length - 1] || 0 : v;
};

var auto = {
    test: function (v) { return v === "auto"; },
    parse: function (v) { return v; },
};
var dimensionTypes = [number, px, percent, degrees, vw, vh, auto];
var valueTypes = __spreadArrays(dimensionTypes, [color, complex]);
var testValueType = function (v) { return function (type) { return type.test(v); }; };
var getDimensionValueType = function (v) {
    return dimensionTypes.find(testValueType(v));
};
var getValueType = function (v) { return valueTypes.find(testValueType(v)); };

var underDampedSpring = function () { return ({
    type: "spring",
    stiffness: 500,
    damping: 25,
    restDelta: 0.5,
    restSpeed: 10,
}); };
var overDampedSpring = function (to) { return ({
    type: "spring",
    stiffness: 700,
    damping: to === 0 ? 100 : 35,
}); };
var linearTween = function () { return ({
    ease: "linear",
    duration: 0.3,
}); };
var keyframes = function (values) { return ({
    type: "keyframes",
    duration: 0.8,
    values: values,
}); };
var defaultTransitions = {
    x: underDampedSpring,
    y: underDampedSpring,
    z: underDampedSpring,
    rotate: underDampedSpring,
    rotateX: underDampedSpring,
    rotateY: underDampedSpring,
    rotateZ: underDampedSpring,
    scaleX: overDampedSpring,
    scaleY: overDampedSpring,
    scale: overDampedSpring,
    opacity: linearTween,
    backgroundColor: linearTween,
    color: linearTween,
    default: overDampedSpring,
};
var getDefaultTransition = function (valueKey, to) {
    var transitionFactory;
    if (isKeyframesTarget(to)) {
        transitionFactory = keyframes;
    }
    else {
        transitionFactory =
            defaultTransitions[valueKey] || defaultTransitions.default;
    }
    return __assign({ to: to }, transitionFactory(to));
};

/**
 * A Popmotion action that accepts a single `to` prop. When it starts, it immediately
 * updates with `to` and then completes. By using this we can compose instant transitions
 * in with the same logic that applies `delay` or returns a `Promise` etc.
 *
 * Accepting `duration` is a little bit of a hack that simply defers the completetion of
 * the animation until after the duration finishes. This is for situations when you're **only**
 * animating non-animatable values and then setting something on `transitionEnd`. Really
 * you want this to fire after the "animation" finishes, rather than instantly.
 *
 * ```
 * animate={{
 *   display: 'block',
 *   transitionEnd: { display: 'none' }
 * }}
 * ```
 */
var just = function (_a) {
    var to = _a.to, duration = _a.duration;
    return action(function (_a) {
        var update = _a.update, complete = _a.complete;
        update(to);
        duration ? delay(duration).start({ complete: complete }) : complete();
    });
};

var easingDefinitionToFunction = function (definition) {
    if (Array.isArray(definition)) {
        // If cubic bezier definition, create bezier curve
        invariant(definition.length === 4, "Cubic bezier arrays must contain four numerical values.");
        var x1 = definition[0], y1 = definition[1], x2 = definition[2], y2 = definition[3];
        return cubicBezier(x1, y1, x2, y2);
    }
    else if (typeof definition === "string") {
        // Else lookup from table
        invariant(easingLookup[definition] !== undefined, "Invalid easing type '" + definition + "'");
        return easingLookup[definition];
    }
    return definition;
};
var isEasingArray = function (ease) {
    return Array.isArray(ease) && typeof ease[0] !== "number";
};

var isDurationAnimation = function (v) {
    return v.hasOwnProperty("duration") || v.hasOwnProperty("repeatDelay");
};

/**
 * Check if a value is animatable. Examples:
 *
 * ✅: 100, "100px", "#fff"
 * ❌: "block", "url(2.jpg)"
 * @param value
 *
 * @internal
 */
var isAnimatable = function (key, value) {
    // If the list of keys tat might be non-animatable grows, replace with Set
    if (key === "zIndex")
        return false;
    // If it's a number or a keyframes array, we can animate it. We might at some point
    // need to do a deep isAnimatable check of keyframes, or let Popmotion handle this,
    // but for now lets leave it like this for performance reasons
    if (typeof value === "number" || Array.isArray(value))
        return true;
    if (typeof value === "string" && // It's animatable if we have a string
        complex.test(value) && // And it contains numbers and/or colors
        !value.startsWith("url(") // Unless it starts with "url("
    ) {
        return true;
    }
    return false;
};

/**
 * Converts seconds to milliseconds
 *
 * @param seconds - Time in seconds.
 * @return milliseconds - Converted time in milliseconds.
 */
var secondsToMilliseconds = function (seconds) { return seconds * 1000; };

var transitions = { tween: tween, spring: spring, keyframes: keyframes$1, inertia: inertia, just: just };
var transitionOptionParser = {
    tween: function (opts) {
        if (opts.ease) {
            var ease = isEasingArray(opts.ease) ? opts.ease[0] : opts.ease;
            opts.ease = easingDefinitionToFunction(ease);
        }
        return opts;
    },
    keyframes: function (_a) {
        var from = _a.from, to = _a.to, velocity = _a.velocity, opts = __rest(_a, ["from", "to", "velocity"]);
        if (opts.values && opts.values[0] === null) {
            var values = __spreadArrays(opts.values);
            values[0] = from;
            opts.values = values;
        }
        if (opts.ease) {
            opts.easings = isEasingArray(opts.ease)
                ? opts.ease.map(easingDefinitionToFunction)
                : easingDefinitionToFunction(opts.ease);
        }
        opts.ease = linear;
        return opts;
    },
};
var isTransitionDefined = function (_a) {
    var when = _a.when, delay = _a.delay, delayChildren = _a.delayChildren, staggerChildren = _a.staggerChildren, staggerDirection = _a.staggerDirection, transition = __rest(_a, ["when", "delay", "delayChildren", "staggerChildren", "staggerDirection"]);
    return Object.keys(transition).length;
};
var getTransitionDefinition = function (key, to, transitionDefinition) {
    var delay = transitionDefinition ? transitionDefinition.delay : 0;
    // If no object, return default transition
    // A better way to handle this would be to deconstruct out all the shared Orchestration props
    // and see if there's any props remaining
    if (transitionDefinition === undefined ||
        !isTransitionDefined(transitionDefinition)) {
        return __assign({ delay: delay }, getDefaultTransition(key, to));
    }
    var valueTransitionDefinition = transitionDefinition[key] ||
        transitionDefinition.default ||
        transitionDefinition;
    if (valueTransitionDefinition.type === false) {
        return {
            delay: valueTransitionDefinition.hasOwnProperty("delay")
                ? valueTransitionDefinition.delay
                : delay,
            to: isKeyframesTarget(to)
                ? to[to.length - 1]
                : to,
            type: "just",
        };
    }
    else if (isKeyframesTarget(to)) {
        return __assign(__assign({ values: to, duration: 0.8, delay: delay, ease: "linear" }, valueTransitionDefinition), { 
            // This animation must be keyframes if we're animating through an array
            type: "keyframes" });
    }
    else {
        return __assign({ type: "tween", to: to,
            delay: delay }, valueTransitionDefinition);
    }
};
var preprocessOptions = function (type, opts) {
    return transitionOptionParser[type]
        ? transitionOptionParser[type](opts)
        : opts;
};
var getAnimation = function (key, value, target, transition) {
    var origin = value.get();
    var isOriginAnimatable = isAnimatable(key, origin);
    var isTargetAnimatable = isAnimatable(key, target);
    // TODO we could probably improve this check to ensure both values are of the same type -
    // for instance 100 to #fff. This might live better in Popmotion.
    warning(isOriginAnimatable === isTargetAnimatable, "You are trying to animate " + key + " from \"" + origin + "\" to " + target + ". \"" + origin + "\" is not an animatable value - to enable this animation set " + origin + " to a value animatable to " + target + " via the `style` property.");
    // Parse the `transition` prop and return options for the Popmotion animation
    var _a = getTransitionDefinition(key, target, transition), _b = _a.type, type = _b === void 0 ? "tween" : _b, transitionDefinition = __rest(_a, ["type"]);
    // If this is an animatable pair of values, return an animation, otherwise use `just`
    var actionFactory = isOriginAnimatable && isTargetAnimatable
        ? transitions[type]
        : just;
    var opts = preprocessOptions(type, __assign({ from: origin, velocity: value.getVelocity() }, transitionDefinition));
    // Convert duration from Framer Motion's seconds into Popmotion's milliseconds
    if (isDurationAnimation(opts)) {
        if (opts.duration) {
            opts.duration = secondsToMilliseconds(opts.duration);
        }
        if (opts.repeatDelay) {
            opts.repeatDelay = secondsToMilliseconds(opts.repeatDelay);
        }
    }
    return [actionFactory, opts];
};
/**
 * Start animation on a value. This function completely encapsulates Popmotion-specific logic.
 *
 * @internal
 */
function startAnimation(key, value, target, _a) {
    var _b = _a.delay, delay$1 = _b === void 0 ? 0 : _b, transition = __rest(_a, ["delay"]);
    return value.start(function (complete) {
        var activeAnimation;
        var _a = getAnimation(key, value, target, transition), animationFactory = _a[0], _b = _a[1], valueDelay = _b.delay, options = __rest(_b, ["delay"]);
        if (valueDelay !== undefined) {
            delay$1 = valueDelay;
        }
        var animate = function () {
            var animation = animationFactory(options);
            // Bind animation opts to animation
            activeAnimation = animation.start({
                update: function (v) { return value.set(v); },
                complete: complete,
            });
        };
        // If we're delaying this animation, only resolve it **after** the delay to
        // ensure the value's resolve velocity is up-to-date.
        if (delay$1) {
            activeAnimation = delay(secondsToMilliseconds(delay$1)).start({
                complete: animate,
            });
        }
        else {
            animate();
        }
        return function () {
            if (activeAnimation)
                activeAnimation.stop();
        };
    });
}

/**
 * Get the current value of every `MotionValue`
 * @param values -
 */
var getCurrent = function (values) {
    var current = {};
    values.forEach(function (value, key) { return (current[key] = value.get()); });
    return current;
};
/**
 * Get the current velocity of every `MotionValue`
 * @param values -
 */
var getVelocity = function (values) {
    var velocity = {};
    values.forEach(function (value, key) { return (velocity[key] = value.getVelocity()); });
    return velocity;
};
/**
 * Check if value is a function that returns a `Target`. A generic typeof === 'function'
 * check, just helps with typing.
 * @param p -
 */
var isTargetResolver = function (p) {
    return typeof p === "function";
};
/**
 * Check if value is a list of variant labels
 * @param v -
 */
var isVariantLabels = function (v) { return Array.isArray(v); };
/**
 * Check if value is a numerical string, ie "100" or "100px"
 */
var isNumericalString = function (v) { return /^\d*\.?\d+$/.test(v); };
/**
 * Control animations for a single component
 *
 * @internal
 */
var ValueAnimationControls = /** @class */ (function () {
    function ValueAnimationControls(_a) {
        var _this = this;
        var values = _a.values, readValueFromSource = _a.readValueFromSource, makeTargetAnimatable = _a.makeTargetAnimatable;
        /**
         * A reference to the component's latest props. We could probably ditch this in
         * favour to a reference to the `custom` prop now we don't send all props through
         * to target resolvers.
         */
        this.props = {};
        /**
         * The component's variants, as provided by `variants`
         */
        this.variants = {};
        /**
         * A set of values that we animate back to when a value is cleared of all overrides.
         */
        this.baseTarget = {};
        /**
         * A series of target overrides that we can animate to/from when overrides are set/cleared.
         */
        this.overrides = [];
        /**
         * A series of target overrides as they were originally resolved.
         */
        this.resolvedOverrides = [];
        /**
         * A Set of currently active override indexes
         */
        this.activeOverrides = new Set();
        /**
         * A Set of value keys that are currently animating.
         */
        this.isAnimating = new Set();
        /**
         * Check if the associated `MotionValueMap` has a key with the provided string.
         * Pre-bound to the class so we can provide directly to the `filter` in `checkForNewValues`.
         */
        this.hasValue = function (key) { return !_this.values.has(key); };
        this.values = values;
        this.readValueFromSource = readValueFromSource;
        this.makeTargetAnimatable = makeTargetAnimatable;
        this.values.forEach(function (value, key) { return (_this.baseTarget[key] = value.get()); });
    }
    /**
     * Set the reference to the component's props.
     * @param props -
     */
    ValueAnimationControls.prototype.setProps = function (props) {
        this.props = props;
    };
    /**
     * Set the reference to the component's variants
     * @param variants -
     */
    ValueAnimationControls.prototype.setVariants = function (variants) {
        if (variants)
            this.variants = variants;
    };
    /**
     * Set the component's default transition
     * @param transition -
     */
    ValueAnimationControls.prototype.setDefaultTransition = function (transition) {
        if (transition)
            this.defaultTransition = transition;
    };
    /**
     * Set motion values without animation.
     *
     * @param definition -
     * @param isActive -
     */
    ValueAnimationControls.prototype.setValues = function (definition, _a) {
        var _this = this;
        var _b = _a === void 0 ? {} : _a, _c = _b.isActive, isActive = _c === void 0 ? new Set() : _c, priority = _b.priority;
        var _d = this.resolveVariant(definition), target = _d.target, transitionEnd = _d.transitionEnd;
        target = this.transformValues(__assign(__assign({}, target), transitionEnd));
        return Object.keys(target).forEach(function (key) {
            if (isActive.has(key))
                return;
            isActive.add(key);
            if (target) {
                var targetValue = resolveFinalValueInKeyframes(target[key]);
                if (_this.values.has(key)) {
                    var value = _this.values.get(key);
                    value && value.set(targetValue);
                }
                else {
                    _this.values.set(key, motionValue(targetValue));
                }
                if (!priority)
                    _this.baseTarget[key] = targetValue;
            }
        });
    };
    /**
     * Allows `transformValues` to be set by a component that allows us to
     * transform the values in a given `Target`. This allows Framer Library
     * to extend Framer Motion to animate `Color` variables etc. Currently we have
     * to manually support these extended types here in Framer Motion.
     *
     * @param values -
     */
    ValueAnimationControls.prototype.transformValues = function (values) {
        var transformValues = this.props.transformValues;
        return transformValues ? transformValues(values) : values;
    };
    /**
     * Check a `Target` for new values we haven't animated yet, and add them
     * to the `MotionValueMap`.
     *
     * Currently there's functionality here that is DOM-specific, we should allow
     * this functionality to be injected by the factory that creates DOM-specific
     * components.
     *
     * @param target -
     */
    ValueAnimationControls.prototype.checkForNewValues = function (target) {
        var newValueKeys = Object.keys(target).filter(this.hasValue);
        var numNewValues = newValueKeys.length;
        if (!numNewValues)
            return;
        for (var i = 0; i < numNewValues; i++) {
            var key = newValueKeys[i];
            var targetValue = target[key];
            var value = null;
            // If this is a keyframes value, we can attempt to use the first value in the
            // array as that's going to be the first value of the animation anyway
            if (Array.isArray(targetValue)) {
                value = targetValue[0];
            }
            // If it isn't a keyframes or the first keyframes value was set as `null`, read the
            // value from the DOM. It might be worth investigating whether to check props (for SVG)
            // or props.style (for HTML) if the value exists there before attempting to read.
            if (value === null) {
                value = this.readValueFromSource(key);
                invariant(value !== null, "No initial value for \"" + key + "\" can be inferred. Ensure an initial value for \"" + key + "\" is defined on the component.");
            }
            if (typeof value === "string" && isNumericalString(value)) {
                // If this is a number read as a string, ie "0" or "200", convert it to a number
                value = parseFloat(value);
            }
            else if (!getValueType(value) && complex.test(targetValue)) {
                // If value is not recognised as animatable, ie "none", create an animatable version origin based on the target
                value = complex.getAnimatableNone(targetValue);
            }
            this.values.set(key, motionValue(value));
            this.baseTarget[key] = value;
        }
    };
    /**
     * Resolve a variant from its label or resolver into an actual `Target` we can animate to.
     * @param variant -
     */
    ValueAnimationControls.prototype.resolveVariant = function (variant) {
        if (!variant) {
            return {
                target: undefined,
                transition: undefined,
                transitionEnd: undefined,
            };
        }
        if (isTargetResolver(variant)) {
            // resolve current and velocity
            variant = variant(this.props.custom, getCurrent(this.values), getVelocity(this.values));
        }
        var _a = variant.transition, transition = _a === void 0 ? this.defaultTransition : _a, transitionEnd = variant.transitionEnd, target = __rest(variant, ["transition", "transitionEnd"]);
        return { transition: transition, transitionEnd: transitionEnd, target: target };
    };
    /**
     * Get the highest active override priority index
     */
    ValueAnimationControls.prototype.getHighestPriority = function () {
        if (!this.activeOverrides.size)
            return 0;
        return Math.max.apply(Math, Array.from(this.activeOverrides));
    };
    /**
     * Set an override. We add this layer of indirection so if, for instance, a tap gesture
     * starts and overrides a hover gesture, when we clear the tap gesture and fallback to the
     * hover gesture, if that hover gesture has changed in the meantime we can go to that rather
     * than the one that was resolved when the hover gesture animation started.
     *
     * @param definition -
     * @param overrideIndex -
     */
    ValueAnimationControls.prototype.setOverride = function (definition, overrideIndex) {
        this.overrides[overrideIndex] = definition;
        if (this.children) {
            this.children.forEach(function (child) {
                return child.setOverride(definition, overrideIndex);
            });
        }
    };
    /**
     * Start an override animation.
     * @param overrideIndex -
     */
    ValueAnimationControls.prototype.startOverride = function (overrideIndex) {
        var override = this.overrides[overrideIndex];
        if (override) {
            return this.start(override, { priority: overrideIndex });
        }
    };
    /**
     * Clear an override. We check every value we animated to in this override to see if
     * its present on any lower-priority overrides. If not, we animate it back to its base target.
     * @param overrideIndex -
     */
    ValueAnimationControls.prototype.clearOverride = function (overrideIndex) {
        var _this = this;
        if (this.children) {
            this.children.forEach(function (child) { return child.clearOverride(overrideIndex); });
        }
        var override = this.overrides[overrideIndex];
        if (!override)
            return;
        this.activeOverrides.delete(overrideIndex);
        var highest = this.getHighestPriority();
        this.resetIsAnimating();
        if (highest) {
            var highestOverride = this.overrides[highest];
            highestOverride && this.startOverride(highest);
        }
        // Figure out which remaining values were affected by the override and animate those
        var overrideTarget = this.resolvedOverrides[overrideIndex];
        if (!overrideTarget)
            return;
        var remainingValues = {};
        for (var key in this.baseTarget) {
            if (overrideTarget[key] !== undefined) {
                remainingValues[key] = this.baseTarget[key];
            }
        }
        this.onStart();
        this.animate(remainingValues).then(function () { return _this.onComplete(); });
    };
    /**
     * Apply a target/variant without any animation
     */
    ValueAnimationControls.prototype.apply = function (definition) {
        if (Array.isArray(definition)) {
            return this.applyVariantLabels(definition);
        }
        else if (typeof definition === "string") {
            return this.applyVariantLabels([definition]);
        }
        else {
            this.setValues(definition);
        }
    };
    /**
     * Apply variant labels without animation
     */
    ValueAnimationControls.prototype.applyVariantLabels = function (variantLabelList) {
        var _this = this;
        var isActive = new Set();
        var reversedList = __spreadArrays(variantLabelList).reverse();
        reversedList.forEach(function (key) {
            var _a = _this.resolveVariant(_this.variants[key]), target = _a.target, transitionEnd = _a.transitionEnd;
            if (transitionEnd) {
                _this.setValues(transitionEnd, { isActive: isActive });
            }
            if (target) {
                _this.setValues(target, { isActive: isActive });
            }
            if (_this.children && _this.children.size) {
                _this.children.forEach(function (child) {
                    return child.applyVariantLabels(variantLabelList);
                });
            }
        });
    };
    ValueAnimationControls.prototype.start = function (definition, opts) {
        var _this = this;
        if (opts === void 0) { opts = {}; }
        if (opts.priority) {
            this.activeOverrides.add(opts.priority);
        }
        this.resetIsAnimating(opts.priority);
        var animation;
        if (isVariantLabels(definition)) {
            animation = this.animateVariantLabels(definition, opts);
        }
        else if (typeof definition === "string") {
            animation = this.animateVariant(definition, opts);
        }
        else {
            animation = this.animate(definition, opts);
        }
        this.onStart();
        return animation.then(function () { return _this.onComplete(); });
    };
    ValueAnimationControls.prototype.animate = function (animationDefinition, _a) {
        var _this = this;
        var _b = _a === void 0 ? {} : _a, _c = _b.delay, delay = _c === void 0 ? 0 : _c, _d = _b.priority, priority = _d === void 0 ? 0 : _d, transitionOverride = _b.transitionOverride;
        var _e = this.resolveVariant(animationDefinition), target = _e.target, transition = _e.transition, transitionEnd = _e.transitionEnd;
        if (transitionOverride) {
            transition = transitionOverride;
        }
        if (!target)
            return Promise.resolve();
        target = this.transformValues(target);
        if (transitionEnd) {
            transitionEnd = this.transformValues(transitionEnd);
        }
        this.checkForNewValues(target);
        if (this.makeTargetAnimatable) {
            var animatable = this.makeTargetAnimatable(target, transitionEnd);
            target = animatable.target;
            transitionEnd = animatable.transitionEnd;
        }
        if (priority) {
            this.resolvedOverrides[priority] = target;
        }
        this.checkForNewValues(target);
        var animations = [];
        for (var key in target) {
            var value = this.values.get(key);
            if (!value || !target || target[key] === undefined)
                continue;
            var valueTarget = target[key];
            if (!priority) {
                this.baseTarget[key] = resolveFinalValueInKeyframes(valueTarget);
            }
            if (this.isAnimating.has(key))
                continue;
            this.isAnimating.add(key);
            animations.push(startAnimation(key, value, valueTarget, __assign({ delay: delay }, transition)));
        }
        var allAnimations = Promise.all(animations);
        return transitionEnd
            ? allAnimations.then(function () {
                _this.setValues(transitionEnd, { priority: priority });
            })
            : allAnimations;
    };
    ValueAnimationControls.prototype.animateVariantLabels = function (variantLabels, opts) {
        var _this = this;
        var animations = __spreadArrays(variantLabels).reverse()
            .map(function (label) { return _this.animateVariant(label, opts); });
        return Promise.all(animations);
    };
    ValueAnimationControls.prototype.animateVariant = function (variantLabel, opts) {
        var _this = this;
        var when = false;
        var delayChildren = 0;
        var staggerChildren = 0;
        var staggerDirection = 1;
        var priority = (opts && opts.priority) || 0;
        var variant = this.variants[variantLabel];
        var getAnimations = variant
            ? function () { return _this.animate(variant, opts); }
            : function () { return Promise.resolve(); };
        var getChildrenAnimations = this.children
            ? function () {
                return _this.animateChildren(variantLabel, delayChildren, staggerChildren, staggerDirection, priority);
            }
            : function () { return Promise.resolve(); };
        if (variant && this.children) {
            var transition = this.resolveVariant(variant).transition;
            if (transition) {
                when = transition.when || when;
                delayChildren = transition.delayChildren || delayChildren;
                staggerChildren = transition.staggerChildren || staggerChildren;
                staggerDirection =
                    transition.staggerDirection || staggerDirection;
            }
        }
        if (when) {
            var _a = when === "beforeChildren"
                ? [getAnimations, getChildrenAnimations]
                : [getChildrenAnimations, getAnimations], first = _a[0], last = _a[1];
            return first().then(last);
        }
        else {
            return Promise.all([getAnimations(), getChildrenAnimations()]);
        }
    };
    ValueAnimationControls.prototype.animateChildren = function (variantLabel, delayChildren, staggerChildren, staggerDirection, priority) {
        if (delayChildren === void 0) { delayChildren = 0; }
        if (staggerChildren === void 0) { staggerChildren = 0; }
        if (staggerDirection === void 0) { staggerDirection = 1; }
        if (priority === void 0) { priority = 0; }
        if (!this.children) {
            return Promise.resolve();
        }
        var animations = [];
        var maxStaggerDuration = (this.children.size - 1) * staggerChildren;
        var generateStaggerDuration = staggerDirection === 1
            ? function (i) { return i * staggerChildren; }
            : function (i) { return maxStaggerDuration - i * staggerChildren; };
        Array.from(this.children).forEach(function (childControls, i) {
            var animation = childControls.animateVariant(variantLabel, {
                priority: priority,
                delay: delayChildren + generateStaggerDuration(i),
            });
            animations.push(animation);
        });
        return Promise.all(animations);
    };
    ValueAnimationControls.prototype.onStart = function () {
        var onAnimationStart = this.props.onAnimationStart;
        onAnimationStart && onAnimationStart();
    };
    ValueAnimationControls.prototype.onComplete = function () {
        var onAnimationComplete = this.props.onAnimationComplete;
        onAnimationComplete && onAnimationComplete();
    };
    ValueAnimationControls.prototype.checkOverrideIsAnimating = function (priority) {
        var numOverrides = this.overrides.length;
        for (var i = priority + 1; i < numOverrides; i++) {
            var resolvedOverride = this.resolvedOverrides[i];
            if (resolvedOverride) {
                for (var key in resolvedOverride) {
                    this.isAnimating.add(key);
                }
            }
        }
    };
    ValueAnimationControls.prototype.resetIsAnimating = function (priority) {
        if (priority === void 0) { priority = 0; }
        this.isAnimating.clear();
        // If this isn't the highest priority gesture, block the animation
        // of anything that's currently being animated
        if (priority < this.getHighestPriority()) {
            this.checkOverrideIsAnimating(priority);
        }
        if (this.children) {
            this.children.forEach(function (child) { return child.resetIsAnimating(priority); });
        }
    };
    ValueAnimationControls.prototype.stop = function () {
        this.values.forEach(function (value) { return value.stop(); });
    };
    /**
     * Add the controls of a child component.
     * @param controls -
     */
    ValueAnimationControls.prototype.addChild = function (controls) {
        if (!this.children) {
            this.children = new Set();
        }
        this.children.add(controls);
        // We set child overrides when `setOverride` is called, but also have to do it here
        // as the first time `setOverride` is called all the children might not have been added yet.
        this.overrides.forEach(function (override, i) {
            override && controls.setOverride(override, i);
        });
    };
    ValueAnimationControls.prototype.removeChild = function (controls) {
        if (!this.children) {
            return;
        }
        this.children.delete(controls);
    };
    ValueAnimationControls.prototype.resetChildren = function () {
        if (this.children)
            this.children.clear();
    };
    return ValueAnimationControls;
}());

/**
 * Use callback either only on the initial render or on all renders. In concurrent mode
 * the "initial" render might run multiple times
 *
 * @param callback - Callback to run
 * @param isInitialOnly - Set to `true` to only run on initial render, or `false` for all renders. Defaults to `false`.
 *
 * @public
 */
function useInitialOrEveryRender(callback, isInitialOnly) {
    if (isInitialOnly === void 0) { isInitialOnly = false; }
    var isInitialRender = useRef(true);
    if (!isInitialOnly || (isInitialOnly && isInitialRender.current)) {
        callback();
    }
    isInitialRender.current = false;
}

/**
 * Control animations on one or more components.
 *
 * @public
 */
var AnimationControls = /** @class */ (function () {
    function AnimationControls() {
        /**
         * Track whether the host component has mounted.
         *
         * @internal
         */
        this.hasMounted = false;
        /**
         * Pending animations that are started before a component is mounted.
         *
         * @internal
         */
        this.pendingAnimations = [];
        /**
         * A collection of linked component animation controls.
         *
         * @internal
         */
        this.componentControls = new Set();
    }
    /**
     * Set variants on this and all child components.
     *
     * @param variants - The variants to set
     *
     * @internal
     */
    AnimationControls.prototype.setVariants = function (variants) {
        this.variants = variants;
        this.componentControls.forEach(function (controls) {
            return controls.setVariants(variants);
        });
    };
    /**
     * Set a default transition on this and all child components
     *
     * @param transition - The default transition to set
     *
     * @internal
     */
    AnimationControls.prototype.setDefaultTransition = function (transition) {
        this.defaultTransition = transition;
        this.componentControls.forEach(function (controls) {
            return controls.setDefaultTransition(transition);
        });
    };
    /**
     * Subscribes a component's animation controls to this.
     *
     * @param controls - The controls to subscribe
     * @returns An unsubscribe function.
     *
     * @internal
     */
    AnimationControls.prototype.subscribe = function (controls) {
        var _this = this;
        this.componentControls.add(controls);
        if (this.variants)
            controls.setVariants(this.variants);
        if (this.defaultTransition)
            controls.setDefaultTransition(this.defaultTransition);
        return function () { return _this.componentControls.delete(controls); };
    };
    /**
     * Starts an animation on all linked components.
     *
     * @remarks
     *
     * ```jsx
     * controls.start("variantLabel")
     * controls.start({
     *   x: 0,
     *   transition: { duration: 1 }
     * })
     * ```
     *
     * @param definition - Properties or variant label to animate to
     * @param transition - Optional `transtion` to apply to a variant
     * @returns - A `Promise` that resolves when all animations have completed.
     *
     * @public
     */
    AnimationControls.prototype.start = function (definition, transitionOverride) {
        var _this = this;
        if (this.hasMounted) {
            var animations_1 = [];
            this.componentControls.forEach(function (controls) {
                var animation = controls.start(definition, {
                    transitionOverride: transitionOverride,
                });
                animations_1.push(animation);
            });
            return Promise.all(animations_1);
        }
        else {
            return new Promise(function (resolve) {
                _this.pendingAnimations.push({
                    animation: [definition, transitionOverride],
                    resolve: resolve,
                });
            });
        }
    };
    /**
     * Instantly set to a set of properties or a variant.
     *
     * ```jsx
     * // With properties
     * controls.set({ opacity: 0 })
     *
     * // With variants
     * controls.set("hidden")
     * ```
     *
     * @internalremarks
     * We could perform a similar trick to `.start` where this can be called before mount
     * and we maintain a list of of pending actions that get applied on mount. But the
     * expectation of `set` is that it happens synchronously and this would be difficult
     * to do before any children have even attached themselves. It's also poor practise
     * and we should discourage render-synchronous `.start` calls rather than lean into this.
     *
     * @public
     */
    AnimationControls.prototype.set = function (definition) {
        invariant(this.hasMounted, "controls.set() should only be called after a component has mounted. Consider calling within a useEffect hook.");
        return this.componentControls.forEach(function (controls) {
            return controls.apply(definition);
        });
    };
    /**
     * Stops animations on all linked components.
     *
     * ```jsx
     * controls.stop()
     * ```
     *
     * @public
     */
    AnimationControls.prototype.stop = function () {
        this.componentControls.forEach(function (controls) { return controls.stop(); });
    };
    /**
     * Initialises the animation controls.
     *
     * @internal
     */
    AnimationControls.prototype.mount = function () {
        var _this = this;
        this.hasMounted = true;
        this.pendingAnimations.forEach(function (_a) {
            var animation = _a.animation, resolve = _a.resolve;
            return _this.start.apply(_this, animation).then(resolve);
        });
    };
    /**
     * Stops all child animations when the host component unmounts.
     *
     * @internal
     */
    AnimationControls.prototype.unmount = function () {
        this.hasMounted = false;
        this.stop();
    };
    return AnimationControls;
}());
/**
 * @internal
 */
var animationControls = function () { return new AnimationControls(); };

var PresenceContext = createContext(null);

/**
 * @internal
 */
var MotionContext = createContext({
    static: false,
});
var isVariantLabel = function (v) {
    return typeof v === "string" || Array.isArray(v);
};
var isAnimationControls = function (v) {
    return v instanceof AnimationControls;
};
/**
 * Set up the context for children motion components.
 *
 * We also use this opportunity to apply `initial` values
 */
var useMotionContext = function (parentContext, controls, values, isStatic, _a) {
    if (isStatic === void 0) { isStatic = false; }
    var initial = _a.initial, animate = _a.animate, variants = _a.variants, whileTap = _a.whileTap, whileHover = _a.whileHover;
    var _b;
    var presenceContext = useContext(PresenceContext);
    // Override initial with that from a parent context, if defined
    if (((_b = presenceContext) === null || _b === void 0 ? void 0 : _b.initial) !== undefined) {
        initial = presenceContext.initial;
    }
    var initialState;
    if (initial === false && !isAnimationControls(animate)) {
        initialState = animate;
    }
    else if (typeof initial !== "boolean") {
        initialState = initial;
    }
    // Track mounted status so children can detect whether they were present during their
    // parent's first render
    var hasMounted = useRef(false);
    // We propagate this component's ValueAnimationControls *if* we're being provided variants,
    // if we're being used to control variants, or if we're being passed animation controls.
    // Otherwise this component should be "invisible" to variant propagation. This is a slight concession
    // to Framer X where every `Frame` is a `motion` component and it might be if we change that in the future
    // that this restriction is removed.
    var shouldPropagateControls = variants ||
        isVariantLabel(animate) ||
        isVariantLabel(whileTap) ||
        isVariantLabel(whileHover) ||
        isAnimationControls(animate);
    // If this component's `initial` prop is a variant label, propagate it. Otherwise pass the parent's.
    var targetInitial = isVariantLabel(initialState)
        ? initialState
        : parentContext.initial;
    // If this is a variant tree we need to propagate the `animate` prop in case new children are added after
    // the tree initially animates.
    var targetAnimate = isVariantLabel(animate)
        ? animate
        : parentContext.animate;
    // Only allow `initial` to trigger context re-renders if this is a `static` component (ie we're on the Framer canvas)
    // or in another non-animation/interaction environment.
    var initialDependency = isStatic ? targetInitial : null;
    // Only allow `animate` to trigger context re-renders if it's a variant label. If this is an array of
    // variant labels there's probably an optimisation to deep-compare but it might be an over-optimisation.
    // We want to do this as we rely on React's component rendering order each render cycle to determine
    // the new order of any child components for the `staggerChildren` functionality.
    var animateDependency = shouldPropagateControls && isVariantLabel(targetAnimate)
        ? targetAnimate
        : null;
    // The context to provide to the child. We `useMemo` because although `controls` and `initial` are
    // unlikely to change, by making the context an object it'll be considered a new value every render.
    // So all child motion components will re-render as a result.
    var context = useMemo(function () { return ({
        controls: shouldPropagateControls
            ? controls
            : parentContext.controls,
        initial: targetInitial,
        animate: targetAnimate,
        values: values,
        hasMounted: hasMounted,
        isReducedMotion: parentContext.isReducedMotion,
    }); }, [initialDependency, animateDependency, parentContext.isReducedMotion]);
    // Update the `static` property every render. This is unlikely to change but also essentially free.
    context.static = isStatic;
    // Set initial state. If this is a static component (ie in Framer canvas), respond to updates
    // in `initial`.
    useInitialOrEveryRender(function () {
        var initialToApply = initialState || parentContext.initial;
        initialToApply && controls.apply(initialToApply);
    }, !isStatic);
    useEffect(function () {
        hasMounted.current = true;
    }, []);
    return context;
};

/**
 * Creates an imperative set of controls to trigger animations.
 *
 * This allows a consolidated, uniform API for animations, to be triggered by other APIs like the `animate` prop, or the gesture handlers.
 *
 * @param values
 * @param props
 * @param ref
 * @param subscribeToParentControls
 *
 * @internal
 */
function useValueAnimationControls(config, props, subscribeToParentControls) {
    var variants = props.variants, transition = props.transition;
    var parentControls = useContext(MotionContext).controls;
    var presenceContext = useContext(PresenceContext);
    var controls = useConstant(function () { return new ValueAnimationControls(config); });
    // Reset and resubscribe children every render to ensure stagger order is correct
    if (!presenceContext || presenceContext.isPresent) {
        controls.resetChildren();
        controls.setProps(props);
        controls.setVariants(variants);
        controls.setDefaultTransition(transition);
    }
    // We have to subscribe to the parent controls within a useEffect rather than during render,
    // as
    useEffect(function () {
        if (subscribeToParentControls && parentControls) {
            parentControls.addChild(controls);
        }
    });
    useEffect(function () {
        return function () {
            // Remove reference to onAnimationComplete from controls. All the MotionValues
            // are unsubscribed from this component separately. We let animations run out
            // as they might be animating other components.
            var onAnimationComplete = props.onAnimationComplete, unmountProps = __rest(props, ["onAnimationComplete"]);
            controls.setProps(unmountProps);
            parentControls && parentControls.removeChild(controls);
        };
    }, []);
    return controls;
}

var checkShouldInheritVariant = function (_a) {
    var animate = _a.animate, variants = _a.variants, _b = _a.inherit, inherit = _b === void 0 ? true : _b;
    return (inherit &&
        !!variants &&
        (!animate || animate instanceof AnimationControls));
};

/**
 * Uses the ref that is passed in, or creates a new one
 * @param external - External ref
 * @internal
 */
function useExternalRef(externalRef) {
    // We're conditionally calling `useRef` here which is sort of naughty as hooks
    // shouldn't be called conditionally. However, Framer Motion will break if this
    // condition changes anyway. It might be possible to use an invariant here to
    // make it explicit, but I expect changing `ref` is not normal behaviour.
    var ref = !externalRef || typeof externalRef === "function"
        ? useRef(null)
        : externalRef;
    // Handle `ref` functions. Again, calling the hook conditionally is kind of naughty
    // but `ref` types changing between renders would break Motion anyway. If we receive
    // bug reports about this, we should track the provided ref and throw an invariant
    // rather than move the conditional to inside the useEffect as this will be fired
    // for every Frame component within Framer.
    if (externalRef && typeof externalRef === "function") {
        useEffect(function () {
            externalRef(ref.current);
            return function () { return externalRef(null); };
        }, []);
    }
    return ref;
}

/**
 * @internal
 */
var createMotionComponent = function (_a) {
    var getValueControlsConfig = _a.getValueControlsConfig, loadFunctionalityComponents = _a.loadFunctionalityComponents, renderComponent = _a.renderComponent;
    function MotionComponent(props, externalRef) {
        var ref = useExternalRef(externalRef);
        var parentContext = useContext(MotionContext);
        var isStatic = parentContext.static || props.static || false;
        var values = useMotionValues(props);
        var style = useMotionStyles(values, props.style, isStatic, props.transformValues);
        var shouldInheritVariant = checkShouldInheritVariant(props);
        var controlsConfig = useConstant(function () {
            return getValueControlsConfig(ref, values);
        });
        var controls = useValueAnimationControls(controlsConfig, props, shouldInheritVariant);
        var context = useMotionContext(parentContext, controls, values, isStatic, props);
        var functionality = isStatic
            ? null
            : loadFunctionalityComponents(ref, values, props, parentContext, controls, shouldInheritVariant);
        var renderedComponent = renderComponent(ref, style, values, props, isStatic);
        return (createElement(Fragment, null,
            createElement(MotionContext.Provider, { value: context }, renderedComponent),
            createElement(Fragment, null,
                createElement(Mount, { innerRef: ref, values: values, isStatic: isStatic }),
                functionality)));
    }
    return forwardRef(MotionComponent);
};

/**
 * @internal
 */
var htmlElements = [
    "a",
    "abbr",
    "address",
    "area",
    "article",
    "aside",
    "audio",
    "b",
    "base",
    "bdi",
    "bdo",
    "big",
    "blockquote",
    "body",
    "br",
    "button",
    "canvas",
    "caption",
    "cite",
    "code",
    "col",
    "colgroup",
    "data",
    "datalist",
    "dd",
    "del",
    "details",
    "dfn",
    "dialog",
    "div",
    "dl",
    "dt",
    "em",
    "embed",
    "fieldset",
    "figcaption",
    "figure",
    "footer",
    "form",
    "h1",
    "h2",
    "h3",
    "h4",
    "h5",
    "h6",
    "head",
    "header",
    "hgroup",
    "hr",
    "html",
    "i",
    "iframe",
    "img",
    "input",
    "ins",
    "kbd",
    "keygen",
    "label",
    "legend",
    "li",
    "link",
    "main",
    "map",
    "mark",
    "menu",
    "menuitem",
    "meta",
    "meter",
    "nav",
    "noscript",
    "object",
    "ol",
    "optgroup",
    "option",
    "output",
    "p",
    "param",
    "picture",
    "pre",
    "progress",
    "q",
    "rp",
    "rt",
    "ruby",
    "s",
    "samp",
    "script",
    "section",
    "select",
    "small",
    "source",
    "span",
    "strong",
    "style",
    "sub",
    "summary",
    "sup",
    "table",
    "tbody",
    "td",
    "textarea",
    "tfoot",
    "th",
    "thead",
    "time",
    "title",
    "tr",
    "track",
    "u",
    "ul",
    "var",
    "video",
    "wbr",
    "webview",
];
/**
 * @internal
 */
var svgElements = [
    "animate",
    "circle",
    "clipPath",
    "defs",
    "desc",
    "ellipse",
    "feBlend",
    "feColorMatrix",
    "feComponentTransfer",
    "feComposite",
    "feConvolveMatrix",
    "feDiffuseLighting",
    "feDisplacementMap",
    "feDistantLight",
    "feDropShadow",
    "feFlood",
    "feFuncA",
    "feFuncB",
    "feFuncG",
    "feFuncR",
    "feGaussianBlur",
    "feImage",
    "feMerge",
    "feMergeNode",
    "feMorphology",
    "feOffset",
    "fePointLight",
    "feSpecularLighting",
    "feSpotLight",
    "feTile",
    "feTurbulence",
    "filter",
    "foreignObject",
    "g",
    "image",
    "line",
    "linearGradient",
    "marker",
    "mask",
    "metadata",
    "path",
    "pattern",
    "polygon",
    "polyline",
    "radialGradient",
    "rect",
    "stop",
    "svg",
    "switch",
    "symbol",
    "text",
    "textPath",
    "tspan",
    "use",
    "view",
];

/**
 * @internal
 */
var MotionPluginContext = createContext({
    transformPagePoint: function (p) { return p; },
});
/**
 * @remarks For now I think this should remain a private API for our own use
 * until we can figure out a nicer way of allowing people to add these
 *
 * @internal
 */
function MotionPlugins(_a) {
    var children = _a.children, props = __rest(_a, ["children"]);
    var pluginContext = useContext(MotionPluginContext);
    var value = useRef(__assign({}, pluginContext)).current;
    // Mutative to prevent triggering rerenders in all listening
    // components every time this component renders
    for (var key in props) {
        value[key] = props[key];
    }
    return (createElement(MotionPluginContext.Provider, { value: value }, children));
}

function useUnmountEffect(callback) {
    return useEffect(function () { return function () { return callback(); }; }, []);
}

function addDomEvent(target, eventName, handler, options) {
    if (!handler)
        return;
    target.addEventListener(eventName, handler, options);
    return function () { return target.removeEventListener(eventName, handler, options); };
}
/**
 * Attaches an event listener directly to the provided DOM element.
 *
 * Bypassing React's event system can be desirable, for instance when attaching non-passive
 * event handlers.
 *
 * ```jsx
 * const ref = useRef(null)
 *
 * useDomEvent(ref, 'wheel', onWheel, { passive: false })
 *
 * return <div ref={ref} />
 * ```
 *
 * @param ref - React.RefObject that's been provided to the element you want to bind the listener to.
 * @param eventName - Name of the event you want listen for.
 * @param handler - Function to fire when receiving the event.
 * @param options - Options to pass to `Event.addEventListener`.
 *
 * @public
 */
function useDomEvent(ref, eventName, handler, options) {
    useEffect(function () {
        var element = ref.current;
        if (handler && element) {
            return addDomEvent(element, eventName, handler, options);
        }
    }, [ref, eventName, handler, options]);
}

function isMouseEvent(event) {
    // PointerEvent inherits from MouseEvent so we can't use a straight instanceof check.
    if (typeof PointerEvent !== "undefined" && event instanceof PointerEvent) {
        return !!(event.pointerType === "mouse");
    }
    return event instanceof MouseEvent;
}
function isTouchEvent(event) {
    var hasTouches = !!event.touches;
    return hasTouches;
}

/**
 * Filters out events not attached to the primary pointer (currently left mouse button)
 * @param eventHandler
 */
function filterPrimaryPointer(eventHandler) {
    if (!eventHandler)
        return undefined;
    return function (event) {
        var isMouseEvent = event instanceof MouseEvent;
        var isPrimaryPointer = !isMouseEvent ||
            (isMouseEvent && event.button === 0);
        if (isPrimaryPointer) {
            eventHandler(event);
        }
    };
}
var defaultPagePoint = { pageX: 0, pageY: 0 };
function pointFromTouch(e) {
    var primaryTouch = e.touches[0] || e.changedTouches[0];
    var _a = primaryTouch || defaultPagePoint, pageX = _a.pageX, pageY = _a.pageY;
    return { x: pageX, y: pageY };
}
function pointFromMouse(_a) {
    var _b = _a.pageX, pageX = _b === void 0 ? 0 : _b, _c = _a.pageY, pageY = _c === void 0 ? 0 : _c;
    return { x: pageX, y: pageY };
}
function extractEventInfo(event) {
    return {
        point: isTouchEvent(event)
            ? pointFromTouch(event)
            : pointFromMouse(event),
    };
}
var wrapHandler = function (handler, shouldFilterPrimaryPointer) {
    if (shouldFilterPrimaryPointer === void 0) { shouldFilterPrimaryPointer = false; }
    if (!handler)
        return;
    var listener = function (event) { return handler(event, extractEventInfo(event)); };
    return shouldFilterPrimaryPointer
        ? filterPrimaryPointer(listener)
        : listener;
};

var isBrowser = typeof window !== "undefined";
// We check for event support via functions in case they've been mocked by a testing suite.
var supportsPointerEvents = function () {
    return isBrowser && window.onpointerdown === null;
};
var supportsTouchEvents = function () {
    return isBrowser && window.ontouchstart === null;
};
var supportsMouseEvents = function () {
    return isBrowser && window.onmousedown === null;
};

var mouseEventNames = {
    pointerdown: "mousedown",
    pointermove: "mousemove",
    pointerup: "mouseup",
    pointercancel: "mousecancel",
    pointerover: "mouseover",
    pointerout: "mouseout",
    pointerenter: "mouseenter",
    pointerleave: "mouseleave",
};
var touchEventNames = {
    pointerdown: "touchstart",
    pointermove: "touchmove",
    pointerup: "touchend",
    pointercancel: "touchcancel",
};
function getPointerEventName(name) {
    if (supportsPointerEvents()) {
        return name;
    }
    else if (supportsTouchEvents()) {
        return touchEventNames[name];
    }
    else if (supportsMouseEvents()) {
        return mouseEventNames[name];
    }
    return name;
}
function addPointerEvent(target, eventName, handler, options) {
    return addDomEvent(target, getPointerEventName(eventName), wrapHandler(handler, eventName === "pointerdown"), options);
}
function usePointerEvent(ref, eventName, handler, options) {
    return useDomEvent(ref, getPointerEventName(eventName), wrapHandler(handler, eventName === "pointerdown"), options);
}

/** @public */
var Point;
(function (Point) {
    /** @beta */
    Point.subtract = function (a, b) {
        return { x: a.x - b.x, y: a.y - b.y };
    };
    /** @beta */
    Point.relativeTo = function (idOrElem) {
        var elem;
        var getElem = function () {
            // Caching element here could be leaky because of React lifecycle
            if (elem !== undefined)
                return elem;
            if (typeof idOrElem === "string") {
                elem = document.getElementById(idOrElem);
            }
            else {
                elem = idOrElem;
            }
            return elem;
        };
        return function (_a) {
            var x = _a.x, y = _a.y;
            var localElem = getElem();
            if (!localElem)
                return undefined;
            var rect = localElem.getBoundingClientRect();
            return {
                x: x - rect.left - window.scrollX,
                y: y - rect.top - window.scrollY,
            };
        };
    };
})(Point || (Point = {}));

var isViewportScrollBlocked = false;
var isBrowser$1 = typeof window !== "undefined";
if (isBrowser$1) {
    document.addEventListener("touchmove", function (event) {
        if (isViewportScrollBlocked) {
            event.preventDefault();
        }
    }, { passive: false });
}
var blockViewportScroll = function () { return (isViewportScrollBlocked = true); };
var unblockViewportScroll = function () { return (isViewportScrollBlocked = false); };

/**
 * @internal
 */
var PanSession = /** @class */ (function () {
    function PanSession(event, handlers, _a) {
        var _this = this;
        var transformPagePoint = (_a === void 0 ? {} : _a).transformPagePoint;
        /**
         * @internal
         */
        this.startEvent = null;
        /**
         * @internal
         */
        this.lastMoveEvent = null;
        /**
         * @internal
         */
        this.lastMoveEventInfo = null;
        /**
         * @internal
         */
        this.handlers = {};
        this.updatePoint = function () {
            if (!(_this.lastMoveEvent && _this.lastMoveEventInfo))
                return;
            var info = getPanInfo(_this.lastMoveEventInfo, _this.history);
            var 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 cursoe.
            var isDistancePastThreshold = distance(info.offset, { x: 0, y: 0 }) >= 3;
            if (!isPanStarted && !isDistancePastThreshold)
                return;
            var point = info.point;
            var timestamp = getFrameData().timestamp;
            _this.history.push(__assign(__assign({}, point), { timestamp: timestamp }));
            var _a = _this.handlers, onStart = _a.onStart, onMove = _a.onMove;
            if (!isPanStarted) {
                onStart && onStart(_this.lastMoveEvent, info);
                _this.startEvent = _this.lastMoveEvent;
            }
            onMove && onMove(_this.lastMoveEvent, info);
        };
        // If we have more than one touch, don't start detecting this gesture
        if (isTouchEvent(event) && event.touches.length > 1)
            return;
        this.handlers = handlers;
        this.transformPagePoint = transformPagePoint;
        var info = extractEventInfo(event);
        var initialInfo = transformPoint(info, this.transformPagePoint);
        var point = initialInfo.point;
        var timestamp = getFrameData().timestamp;
        this.history = [__assign(__assign({}, point), { timestamp: timestamp })];
        var onSessionStart = handlers.onSessionStart;
        onSessionStart &&
            onSessionStart(event, getPanInfo(initialInfo, this.history));
        var removeOnPointerMove = addPointerEvent(window, "pointermove", function (event, info) { return _this.handlePointerMove(event, info); });
        var removeOnPointerUp = addPointerEvent(window, "pointerup", function (event, info) { return _this.handlePointerUp(event, info); });
        this.removeListeners = function () {
            removeOnPointerMove && removeOnPointerMove();
            removeOnPointerUp && removeOnPointerUp();
        };
    }
    PanSession.prototype.handlePointerMove = function (event, info) {
        this.lastMoveEvent = event;
        this.lastMoveEventInfo = transformPoint(info, this.transformPagePoint);
        // Because Safari doesn't trigger mouseup events when it's above a `<select>`
        if (isMouseEvent(event) && event.buttons === 0) {
            this.handlePointerUp(event, info);
            return;
        }
        // Throttle mouse move event to once per frame
        sync.update(this.updatePoint, true);
    };
    PanSession.prototype.handlePointerUp = function (event, info) {
        this.end();
        var onEnd = this.handlers.onEnd;
        if (!onEnd)
            return;
        var panInfo = getPanInfo(transformPoint(info, this.transformPagePoint), this.history);
        onEnd && onEnd(event, panInfo);
    };
    PanSession.prototype.updateHandlers = function (handlers) {
        this.handlers = handlers;
    };
    PanSession.prototype.end = function () {
        this.removeListeners && this.removeListeners();
        cancelSync.update(this.updatePoint);
        unblockViewportScroll();
    };
    return PanSession;
}());
function transformPoint(info, transformPagePoint) {
    return transformPagePoint ? { point: transformPagePoint(info.point) } : info;
}
function getPanInfo(_a, history) {
    var point = _a.point;
    return {
        point: point,
        delta: Point.subtract(point, lastDevicePoint(history)),
        offset: Point.subtract(point, startDevicePoint(history)),
        velocity: getVelocity$1(history, 0.1),
    };
}
function startDevicePoint(history) {
    return history[0];
}
function lastDevicePoint(history) {
    return history[history.length - 1];
}
function getVelocity$1(history, timeDelta) {
    if (history.length < 2) {
        return { x: 0, y: 0 };
    }
    var i = history.length - 1;
    var timestampedPoint = null;
    var lastPoint = lastDevicePoint(history);
    while (i >= 0) {
        timestampedPoint = history[i];
        if (lastPoint.timestamp - timestampedPoint.timestamp >
            secondsToMilliseconds(timeDelta)) {
            break;
        }
        i--;
    }
    if (!timestampedPoint) {
        return { x: 0, y: 0 };
    }
    var time = (lastPoint.timestamp - timestampedPoint.timestamp) / 1000;
    if (time === 0) {
        return { x: 0, y: 0 };
    }
    var 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;
}

/**
 *
 * @param handlers -
 * @param ref -
 *
 * @internalremarks
 * Currently this sets new pan gesture functions every render. The memo route has been explored
 * in the past but ultimately we're still creating new functions every render. An optimisation
 * to explore is creating the pan gestures and loading them into a `ref`.
 *
 * @internal
 */
function usePanGesture(_a, ref) {
    var onPan = _a.onPan, onPanStart = _a.onPanStart, onPanEnd = _a.onPanEnd, onPanSessionStart = _a.onPanSessionStart;
    var hasPanEvents = onPan || onPanStart || onPanEnd || onPanSessionStart;
    var panSession = useRef(null);
    var transformPagePoint = useContext(MotionPluginContext).transformPagePoint;
    var handlers = {
        onSessionStart: onPanSessionStart,
        onStart: onPanStart,
        onMove: onPan,
        onEnd: function (event, info) {
            panSession.current = null;
            onPanEnd && onPanEnd(event, info);
        },
    };
    useEffect(function () {
        if (panSession.current !== null) {
            panSession.current.updateHandlers(handlers);
        }
    });
    function onPointerDown(event) {
        panSession.current = new PanSession(event, handlers, {
            transformPagePoint: transformPagePoint,
        });
    }
    usePointerEvent(ref, "pointerdown", hasPanEvents && onPointerDown);
    useUnmountEffect(function () { return panSession.current && panSession.current.end(); });
}

/**
 * Recursively traverse up the tree to check whether the provided child node
 * is the parent or a descendant of it.
 *
 * @param parent - Element to find
 * @param child - Element to test against parent
 */
var isNodeOrChild = function (parent, child) {
    if (!child) {
        return false;
    }
    else if (parent === child) {
        return true;
    }
    else {
        return isNodeOrChild(parent, child.parentElement);
    }
};

var order = ["whileHover", "whileTap", "whileDrag"];
var getGesturePriority = function (gesture) {
    return order.indexOf(gesture) + 1;
};

function createLock(name) {
    var lock = null;
    return function () {
        var openLock = function () {
            lock = null;
        };
        if (lock === null) {
            lock = name;
            return openLock;
        }
        return false;
    };
}
var globalHorizontalLock = createLock("dragHorizontal");
var globalVerticalLock = createLock("dragVertical");
function getGlobalLock(drag) {
    var lock = false;
    if (drag === "y") {
        lock = globalVerticalLock();
    }
    else if (drag === "x") {
        lock = globalHorizontalLock();
    }
    else {
        var openHorizontal_1 = globalHorizontalLock();
        var openVertical_1 = globalVerticalLock();
        if (openHorizontal_1 && openVertical_1) {
            lock = function () {
                openHorizontal_1();
                openVertical_1();
            };
        }
        else {
            // Release the locks because we don't use them
            if (openHorizontal_1)
                openHorizontal_1();
            if (openVertical_1)
                openVertical_1();
        }
    }
    return lock;
}

var tapGesturePriority = getGesturePriority("whileTap");
/**
 * @param handlers -
 * @internal
 */
function useTapGesture(_a, ref) {
    var onTap = _a.onTap, onTapStart = _a.onTapStart, onTapCancel = _a.onTapCancel, whileTap = _a.whileTap, controls = _a.controls;
    var hasTapListeners = onTap || onTapStart || onTapCancel || whileTap;
    var isTapping = useRef(false);
    var cancelPointerEventListener = useRef(null);
    function removePointerUp() {
        cancelPointerEventListener.current &&
            cancelPointerEventListener.current();
        cancelPointerEventListener.current = null;
    }
    if (whileTap && controls) {
        controls.setOverride(whileTap, tapGesturePriority);
    }
    // We load this event handler into a ref so we can later refer to
    // onPointerUp.current which will always have reference to the latest props
    var onPointerUp = useRef(null);
    onPointerUp.current = function (event, info) {
        var element = ref.current;
        removePointerUp();
        if (!isTapping.current || !element)
            return;
        isTapping.current = false;
        if (controls && whileTap) {
            controls.clearOverride(tapGesturePriority);
        }
        // Check the gesture lock - if we get it, it means no drag gesture is active
        // and we can safely fire the tap gesture.
        var openGestureLock = getGlobalLock(true);
        if (!openGestureLock)
            return;
        openGestureLock();
        if (!isNodeOrChild(element, event.target)) {
            onTapCancel && onTapCancel(event, info);
        }
        else {
            onTap && onTap(event, info);
        }
    };
    function onPointerDown(event, info) {
        removePointerUp();
        cancelPointerEventListener.current = addPointerEvent(window, "pointerup", function (event, info) { return onPointerUp.current(event, info); });
        var element = ref.current;
        if (!element || isTapping.current)
            return;
        isTapping.current = true;
        onTapStart && onTapStart(event, info);
        if (controls && whileTap) {
            controls.startOverride(tapGesturePriority);
        }
    }
    usePointerEvent(ref, "pointerdown", hasTapListeners ? onPointerDown : undefined);
    useUnmountEffect(removePointerUp);
}

var hoverPriority = getGesturePriority("whileHover");
var filterTouch = function (listener) { return function (event, info) {
    if (isMouseEvent(event))
        listener(event, info);
}; };
/**
 *
 * @param props
 * @param ref
 * @internal
 */
function useHoverGesture(_a, ref) {
    var whileHover = _a.whileHover, onHoverStart = _a.onHoverStart, onHoverEnd = _a.onHoverEnd, controls = _a.controls;
    if (whileHover && controls) {
        controls.setOverride(whileHover, hoverPriority);
    }
    usePointerEvent(ref, "pointerenter", filterTouch(function (event, info) {
        if (onHoverStart)
            onHoverStart(event, info);
        if (whileHover && controls) {
            controls.startOverride(hoverPriority);
        }
    }));
    usePointerEvent(ref, "pointerleave", filterTouch(function (event, info) {
        if (onHoverEnd)
            onHoverEnd(event, info);
        if (whileHover && controls) {
            controls.clearOverride(hoverPriority);
        }
    }));
}

/**
 * Add pan and tap gesture recognition to an element.
 *
 * @param props - Gesture event handlers
 * @param ref - React `ref` containing a DOM `Element`
 * @public
 */
function useGestures(props, ref) {
    usePanGesture(props, ref);
    useTapGesture(props, ref);
    useHoverGesture(props, ref);
}

var makeRenderlessComponent = function (hook) { return function (props) {
    hook(props);
    return null;
}; };

var gestureProps = [
    "onPan",
    "onPanStart",
    "onPanEnd",
    "onPanSessionStart",
    "onTap",
    "onTapStart",
    "onTapCancel",
    "whileTap",
    "whileHover",
    "onHoverStart",
    "onHoverEnd",
];
var Gestures = {
    key: "gestures",
    shouldRender: function (props) {
        return gestureProps.some(function (key) { return props.hasOwnProperty(key); });
    },
    Component: makeRenderlessComponent(function (_a) {
        var innerRef = _a.innerRef, props = __rest(_a, ["innerRef"]);
        useGestures(props, innerRef);
    }),
};

var isRefObject = function (ref) {
    return typeof ref === "object" && ref.hasOwnProperty("current");
};

var noop = function (v) { return v; };
var ComponentDragControls = /** @class */ (function () {
    function ComponentDragControls(_a) {
        var ref = _a.ref, values = _a.values, controls = _a.controls;
        /**
         * Track whether we're currently dragging.
         *
         * @internal
         */
        this.isDragging = false;
        /**
         * The current direction of drag, or `null` if both.
         *
         * @internal
         */
        this.currentDirection = null;
        /**
         * The permitted t/r/b/l boundaries of travel, in pixels.
         *
         * @internal
         */
        this.constraints = false;
        /**
         * A reference to the host component's latest props.
         *
         * @internal
         */
        this.props = {
            transformPagePoint: noop,
        };
        /**
         * References to the MotionValues used for tracking the current dragged point.
         *
         * @internal
         */
        this.point = {};
        /**
         * The origin point for the current drag gesture.
         *
         * @internal
         */
        this.origin = {
            x: motionValue(0),
            y: motionValue(0),
        };
        // This is a reference to the global drag gesture lock, ensuring only one component
        // can "capture" the drag of one or both axes.
        // TODO: Look into moving this into pansession?
        this.openGlobalLock = null;
        /**
         * @internal
         */
        this.panSession = null;
        /**
         * A reference to the previous constraints bounding box
         *
         * @internal
         */
        this.prevConstraintsBox = {
            width: 0,
            height: 0,
            x: 0,
            y: 0,
        };
        this.ref = ref;
        this.values = values;
        this.controls = controls;
    }
    /**
     * Start dragging the host component.
     *
     * @param event - The originating pointer event.
     * @param options -
     *
     * @public
     */
    ComponentDragControls.prototype.start = function (originEvent, _a) {
        var _this = this;
        var _b = (_a === void 0 ? {} : _a).snapToCursor, snapToCursor = _b === void 0 ? false : _b;
        snapToCursor && this.snapToCursor(originEvent);
        var onSessionStart = function () {
            // Initiate viewport scroll blocking on touch start. This is a very aggressive approach
            // which has come out of the difficulty in us being able to do this once a scroll gesture
            // has initiated in mobile browsers. This means if there's a horizontally-scrolling carousel
            // on a page we can't let a user scroll the page itself from it. Ideally what we'd do is
            // trigger this once we've got a scroll direction determined. This approach sort-of worked
            // but if the component was dragged too far in a single frame page scrolling would initiate.
            blockViewportScroll();
            // Stop any animations on both axis values immediately. This allows the user to throw and catch
            // the component.
            bothAxis(function (axis) {
                var axisPoint = _this.point[axis];
                axisPoint && axisPoint.stop();
            });
        };
        var onStart = function (event, info) {
            // If constraints are an element, resolve them again in case they've updated.
            if (_this.constraintsNeedResolution) {
                var _a = _this.props, dragConstraints = _a.dragConstraints, transformPagePoint_1 = _a.transformPagePoint;
                _this.constraints = calculateConstraintsFromDom(dragConstraints, _this.ref, _this.point, transformPagePoint_1);
                _this.applyConstraintsToPoint();
            }
            // Set point origin and stop any existing animations.
            bothAxis(function (axis) {
                var axisPoint = _this.point[axis];
                if (!axisPoint)
                    return;
                _this.origin[axis].set(axisPoint.get());
            });
            // Attempt to grab the global drag gesture lock - maybe make this part of PanSession
            var _b = _this.props, drag = _b.drag, dragPropagation = _b.dragPropagation;
            if (drag && !dragPropagation) {
                if (_this.openGlobalLock)
                    _this.openGlobalLock();
                _this.openGlobalLock = getGlobalLock(drag);
                if (!_this.openGlobalLock)
                    return;
            }
            _this.isDragging = true;
            _this.currentDirection = null;
            var onDragStart = _this.props.onDragStart;
            onDragStart &&
                onDragStart(event, convertPanToDrag(info, _this.point));
        };
        var onMove = function (event, info) {
            var _a = _this.props, dragPropagation = _a.dragPropagation, dragDirectionLock = _a.dragDirectionLock;
            // If we didn't successfully receive the gesture lock, early return.
            if (!dragPropagation && !_this.openGlobalLock)
                return;
            var offset = info.offset;
            // 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) {
                    var onDirectionLock = _this.props.onDirectionLock;
                    onDirectionLock && onDirectionLock(_this.currentDirection);
                }
                return;
            }
            _this.updatePoint("x", offset);
            _this.updatePoint("y", offset);
            var onDrag = _this.props.onDrag;
            onDrag && onDrag(event, convertPanToDrag(info, _this.point));
        };
        var onEnd = function (event, info) {
            _this.stop(event, info);
        };
        var transformPagePoint = this.props.transformPagePoint;
        this.panSession = new PanSession(originEvent, {
            onSessionStart: onSessionStart,
            onStart: onStart,
            onMove: onMove,
            onEnd: onEnd,
        }, { transformPagePoint: transformPagePoint });
    };
    ComponentDragControls.prototype.cancelDrag = function () {
        unblockViewportScroll();
        this.isDragging = false;
        this.panSession && this.panSession.end();
        this.panSession = null;
        if (!this.props.dragPropagation && this.openGlobalLock) {
            this.openGlobalLock();
            this.openGlobalLock = null;
        }
    };
    ComponentDragControls.prototype.stop = function (event, info) {
        var _a;
        (_a = this.panSession) === null || _a === void 0 ? void 0 : _a.end();
        this.panSession = null;
        var isDragging = this.isDragging;
        this.cancelDrag();
        if (!isDragging)
            return;
        var _b = this.props, dragMomentum = _b.dragMomentum, dragElastic = _b.dragElastic, onDragEnd = _b.onDragEnd;
        if (dragMomentum || dragElastic) {
            var velocity = info.velocity;
            this.animateDragEnd(velocity);
        }
        else {
            this.recordBoxInfo(this.constraints);
        }
        onDragEnd && onDragEnd(event, convertPanToDrag(info, this.point));
    };
    ComponentDragControls.prototype.recordBoxInfo = function (constraints) {
        if (constraints) {
            var right = constraints.right, left = constraints.left, bottom = constraints.bottom, top_1 = constraints.top;
            this.prevConstraintsBox.width = (right || 0) - (left || 0);
            this.prevConstraintsBox.height = (bottom || 0) - (top_1 || 0);
        }
        if (this.point.x)
            this.prevConstraintsBox.x = this.point.x.get();
        if (this.point.y)
            this.prevConstraintsBox.y = this.point.y.get();
    };
    ComponentDragControls.prototype.snapToCursor = function (event) {
        var _this = this;
        var transformPagePoint = this.props.transformPagePoint;
        var point = extractEventInfo(event).point;
        var boundingBox = getBoundingBox(this.ref, transformPagePoint);
        var center = {
            x: boundingBox.width / 2 + boundingBox.left + window.scrollX,
            y: boundingBox.height / 2 + boundingBox.top + window.scrollY,
        };
        var offset = {
            x: point.x - center.x,
            y: point.y - center.y,
        };
        bothAxis(function (axis) {
            var point = _this.point[axis];
            if (!point)
                return;
            _this.origin[axis].set(point.get());
        });
        this.updatePoint("x", offset);
        this.updatePoint("y", offset);
    };
    ComponentDragControls.prototype.setPoint = function (axis, value) {
        this.point[axis] = value;
    };
    ComponentDragControls.prototype.updatePoint = function (axis, offset) {
        var _a = this.props, drag = _a.drag, dragElastic = _a.dragElastic;
        var axisPoint = this.point[axis];
        // If we're not dragging this axis, do an early return.
        if (!shouldDrag(axis, drag, this.currentDirection) || !axisPoint)
            return;
        var current = applyConstraints(axis, this.origin[axis].get() + offset[axis], this.constraints, dragElastic);
        axisPoint.set(current);
    };
    ComponentDragControls.prototype.updateProps = function (_a) {
        var _this = this;
        var _b = _a.drag, drag = _b === void 0 ? false : _b, _c = _a.dragDirectionLock, dragDirectionLock = _c === void 0 ? false : _c, _d = _a.dragPropagation, dragPropagation = _d === void 0 ? false : _d, _e = _a.dragConstraints, dragConstraints = _e === void 0 ? false : _e, _f = _a.dragElastic, dragElastic = _f === void 0 ? true : _f, _g = _a.dragMomentum, dragMomentum = _g === void 0 ? true : _g, remainingProps = __rest(_a, ["drag", "dragDirectionLock", "dragPropagation", "dragConstraints", "dragElastic", "dragMomentum"]);
        this.props = __assign({ drag: drag,
            dragDirectionLock: dragDirectionLock,
            dragPropagation: dragPropagation,
            dragConstraints: dragConstraints,
            dragElastic: dragElastic,
            dragMomentum: dragMomentum }, remainingProps);
        var _dragValueX = remainingProps._dragValueX, _dragValueY = remainingProps._dragValueY, dragOriginX = remainingProps.dragOriginX, dragOriginY = remainingProps.dragOriginY;
        if (dragOriginX)
            this.origin.x = dragOriginX;
        if (dragOriginY)
            this.origin.y = dragOriginY;
        // Get the `MotionValue` for both draggable axes, or create them if they don't already
        // exist on this component.
        bothAxis(function (axis) {
            if (!shouldDrag(axis, drag, _this.currentDirection))
                return;
            var defaultValue = axis === "x" ? _dragValueX : _dragValueY;
            _this.setPoint(axis, defaultValue || _this.values.get(axis, 0));
        });
        // If `dragConstraints` is a React `ref`, we should resolve the constraints once the
        // component has rendered.
        this.constraintsNeedResolution = isRefObject(dragConstraints);
        this.constraints = this.constraintsNeedResolution
            ? this.constraints || false
            : dragConstraints;
    };
    ComponentDragControls.prototype.applyConstraintsToPoint = function (constraints) {
        var _this = this;
        if (constraints === void 0) { constraints = this.constraints; }
        return bothAxis(function (axis) {
            var axisPoint = _this.point[axis];
            axisPoint &&
                !axisPoint.isAnimating() &&
                applyConstraints(axis, axisPoint, constraints, 0);
        });
    };
    ComponentDragControls.prototype.animateDragEnd = function (velocity) {
        var _this = this;
        var _a = this.props, drag = _a.drag, dragMomentum = _a.dragMomentum, dragElastic = _a.dragElastic, dragTransition = _a.dragTransition, _dragValueX = _a._dragValueX, _dragValueY = _a._dragValueY, _dragTransitionControls = _a._dragTransitionControls;
        var momentumAnimations = bothAxis(function (axis) {
            var _a;
            if (!shouldDrag(axis, drag, _this.currentDirection)) {
                return;
            }
            var transition = _this.constraints
                ? getConstraints(axis, _this.constraints)
                : {};
            /**
             * 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`.
             */
            var bounceStiffness = dragElastic ? 200 : 1000000;
            var bounceDamping = dragElastic ? 40 : 10000000;
            var animationControls = _dragTransitionControls || _this.controls;
            var inertia = __assign(__assign({ type: "inertia", velocity: dragMomentum ? velocity[axis] : 0, bounceStiffness: bounceStiffness,
                bounceDamping: bounceDamping, timeConstant: 750, restDelta: 1 }, dragTransition), transition);
            var externalAxisMotionValue = axis === "x" ? _dragValueX : _dragValueY;
            // 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 externalAxisMotionValue
                ? startAnimation(axis, externalAxisMotionValue, 0, inertia)
                : animationControls.start((_a = {},
                    _a[axis] = 0,
                    _a.transition = inertia,
                    _a));
        });
        // Run all animations and then resolve the new drag constraints.
        return Promise.all(momentumAnimations).then(function () {
            _this.recordBoxInfo(_this.constraints);
            _this.scalePoint();
            var onDragTransitionEnd = _this.props.onDragTransitionEnd;
            onDragTransitionEnd && onDragTransitionEnd();
        });
    };
    ComponentDragControls.prototype.scalePoint = function () {
        var _this = this;
        var _a = this.props, dragConstraints = _a.dragConstraints, transformPagePoint = _a.transformPagePoint;
        if (!isRefObject(dragConstraints))
            return;
        var constraintsBox = getBoundingBox(dragConstraints, transformPagePoint);
        var draggableBox = getBoundingBox(this.ref, transformPagePoint);
        // Scale a point relative to the transformation of a constraints-providing element.
        var scaleAxisPoint = function (axis, dimension) {
            var pointToScale = _this.point[axis];
            if (!pointToScale)
                return;
            // Stop any current animations as they bug out if you resize during one
            if (pointToScale.isAnimating()) {
                pointToScale.stop();
                _this.recordBoxInfo();
                return;
            }
            // If the previous dimension was `0` (default), set `scale` to `1` to prevent
            // divide by zero errors.
            var scale = _this.prevConstraintsBox[dimension]
                ? (constraintsBox[dimension] - draggableBox[dimension]) /
                    _this.prevConstraintsBox[dimension]
                : 1;
            pointToScale.set(_this.prevConstraintsBox[axis] * scale);
        };
        scaleAxisPoint("x", "width");
        scaleAxisPoint("y", "height");
    };
    ComponentDragControls.prototype.mount = function (element) {
        var _this = this;
        var stopPointerListener = addPointerEvent(element, "pointerdown", function (event) {
            var _a = _this.props, drag = _a.drag, _b = _a.dragListener, dragListener = _b === void 0 ? true : _b;
            drag && dragListener && _this.start(event);
        });
        var stopResizeListener = addDomEvent(window, "resize", function () {
            return _this.scalePoint();
        });
        if (this.constraintsNeedResolution) {
            var _a = this.props, dragConstraints = _a.dragConstraints, transformPagePoint = _a.transformPagePoint;
            var constraints = calculateConstraintsFromDom(dragConstraints, this.ref, this.point, transformPagePoint);
            this.applyConstraintsToPoint(constraints);
            this.recordBoxInfo(constraints);
        }
        else if (!this.isDragging && this.constraints) {
            this.applyConstraintsToPoint();
        }
        return function () {
            stopPointerListener && stopPointerListener();
            stopResizeListener && stopResizeListener();
            _this.cancelDrag();
        };
    };
    return ComponentDragControls;
}());
// Call a handler once for each axis
function bothAxis(handler) {
    return [handler("x"), handler("y")];
}
function convertPanToDrag(info, point) {
    return __assign(__assign({}, info), { point: {
            x: point.x ? point.x.get() : 0,
            y: point.y ? point.y.get() : 0,
        } });
}
function getConstraints(axis, _a) {
    var top = _a.top, right = _a.right, bottom = _a.bottom, left = _a.left;
    if (axis === "x") {
        return { min: left, max: right };
    }
    else {
        return { min: top, max: bottom };
    }
}
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) {
    if (lockThreshold === void 0) { lockThreshold = 10; }
    var direction = null;
    if (Math.abs(offset.y) > lockThreshold) {
        direction = "y";
    }
    else if (Math.abs(offset.x) > lockThreshold) {
        direction = "x";
    }
    return direction;
}
/**
 * Takes a parent Element and a draggable Element and returns pixel-based drag constraints.
 *
 * @param constraintsRef
 * @param draggableRef
 */
function calculateConstraintsFromDom(constraintsRef, draggableRef, point, transformPagePoint) {
    invariant(constraintsRef.current !== null && draggableRef.current !== null, "If `dragConstraints` is set as a React ref, that ref must be passed to another component's `ref` prop.");
    var parentBoundingBox = getBoundingBox(constraintsRef, transformPagePoint);
    var draggableBoundingBox = getBoundingBox(draggableRef, transformPagePoint);
    var left = parentBoundingBox.left -
        draggableBoundingBox.left +
        getCurrentOffset(point.x);
    var top = parentBoundingBox.top -
        draggableBoundingBox.top +
        getCurrentOffset(point.y);
    var right = parentBoundingBox.width - draggableBoundingBox.width + left;
    var bottom = parentBoundingBox.height - draggableBoundingBox.height + top;
    return { top: top, left: left, right: right, bottom: bottom };
}
function getBoundingBox(ref, transformPagePoint) {
    var rect = ref.current.getBoundingClientRect();
    var _a = transformPagePoint({
        x: rect.left,
        y: rect.top,
    }), left = _a.x, top = _a.y;
    var _b = transformPagePoint({
        x: rect.width,
        y: rect.height,
    }), width = _b.x, height = _b.y;
    return { left: left, top: top, width: width, height: height };
}
function getCurrentOffset(point) {
    return point ? point.get() : 0;
}
function applyConstraints(axis, value, constraints, dragElastic) {
    var constrainedValue = value instanceof MotionValue ? value.get() : value;
    if (!constraints) {
        return constrainedValue;
    }
    var _a = getConstraints(axis, constraints), min = _a.min, max = _a.max;
    if (min !== undefined && constrainedValue < min) {
        constrainedValue = dragElastic
            ? applyOverdrag(min, constrainedValue, dragElastic)
            : Math.max(min, constrainedValue);
    }
    else if (max !== undefined && constrainedValue > max) {
        constrainedValue = dragElastic
            ? applyOverdrag(max, constrainedValue, dragElastic)
            : Math.min(max, constrainedValue);
    }
    if (value instanceof MotionValue) {
        value.set(constrainedValue);
    }
    return constrainedValue;
}
function applyOverdrag(origin, current, dragElastic) {
    var dragFactor = typeof dragElastic === "number" ? dragElastic : 0.35;
    return mix(origin, current, dragFactor);
}

/**
 * A hook that allows an element to be dragged.
 *
 * @param param
 * @param ref
 * @param values
 * @param controls
 *
 * @internal
 */
function useDrag(props, ref, values, controls) {
    var groupDragControls = props.dragControls;
    var transformPagePoint = useContext(MotionPluginContext).transformPagePoint;
    var dragControls = useConstant(function () { return new ComponentDragControls({ ref: ref, values: values, controls: controls }); });
    dragControls.updateProps(__assign(__assign({}, props), { transformPagePoint: transformPagePoint }));
    useEffect(function () { return groupDragControls && groupDragControls.subscribe(dragControls); }, [dragControls]);
    useEffect(function () { return dragControls.mount(ref.current); }, []);
}

var Drag = {
    key: "drag",
    shouldRender: function (props) { return !!props.drag; },
    Component: makeRenderlessComponent(function (_a) {
        var innerRef = _a.innerRef, values = _a.values, controls = _a.controls, props = __rest(_a, ["innerRef", "values", "controls"]);
        return useDrag(props, innerRef, values, controls);
    }),
};

function isCSSVariable(value) {
    return typeof value === "string" && value.startsWith("var(--");
}
/**
 * Parse Framer's special CSS variable format into a CSS token and a fallback.
 *
 * ```
 * `var(--foo, #fff)` => [`--foo`, '#fff']
 * ```
 *
 * @param current
 */
var cssVariableRegex = /var\((--[a-zA-Z0-9-_]+),? ?([a-zA-Z0-9 ()%#.,-]+)?\)/;
function parseCSSVariable(current) {
    var match = cssVariableRegex.exec(current);
    if (!match)
        return [,];
    var token = match[1], fallback = match[2];
    return [token, fallback];
}
var maxDepth = 4;
function getVariableValue(current, element, depth) {
    if (depth === void 0) { depth = 1; }
    invariant(depth <= maxDepth, "Max CSS variable fallback depth detected in property \"" + current + "\". This may indicate a circular fallback dependency.");
    var _a = parseCSSVariable(current), token = _a[0], fallback = _a[1];
    // No CSS variable detected
    if (!token)
        return;
    // Attempt to read this CSS variable off the element
    var resolved = window.getComputedStyle(element).getPropertyValue(token);
    if (resolved) {
        return resolved;
    }
    else if (isCSSVariable(fallback)) {
        // The fallback might itself be a CSS variable, in which case we attempt to resolve it too.
        return getVariableValue(fallback, element, depth + 1);
    }
    else {
        return fallback;
    }
}
/**
 * Resolve CSS variables from
 *
 * @internal
 */
function resolveCSSVariables(values, ref, _a, transitionEnd) {
    var target = __rest(_a, []);
    var element = ref.current;
    if (!(element instanceof HTMLElement))
        return { target: target, transitionEnd: transitionEnd };
    // If `transitionEnd` isn't `undefined`, clone it. We could clone `target` and `transitionEnd`
    // only if they change but I think this reads clearer and this isn't a performance-critical path.
    if (transitionEnd) {
        transitionEnd = __assign({}, transitionEnd);
    }
    // Go through existing `MotionValue`s and ensure any existing CSS variables are resolved
    values.forEach(function (value) {
        var current = value.get();
        if (!isCSSVariable(current))
            return;
        var resolved = getVariableValue(current, element);
        if (resolved)
            value.set(resolved);
    });
    // Cycle through every target property and resolve CSS variables. Currently
    // we only read single-var properties like `var(--foo)`, not `calc(var(--foo) + 20px)`
    for (var key in target) {
        var current = target[key];
        if (!isCSSVariable(current))
            continue;
        var resolved = getVariableValue(current, element);
        if (!resolved)
            continue;
        // Clone target if it hasn't already been
        target[key] = resolved;
        // If the user hasn't already set this key on `transitionEnd`, set it to the unresolved
        // CSS variable. This will ensure that after the animation the component will reflect
        // changes in the value of the CSS variable.
        if (transitionEnd && transitionEnd[key] === undefined) {
            transitionEnd[key] = current;
        }
    }
    return { target: target, transitionEnd: transitionEnd };
}

var positionalKeys = new Set([
    "width",
    "height",
    "top",
    "left",
    "right",
    "bottom",
    "x",
    "y",
]);
var isPositionalKey = function (key) { return positionalKeys.has(key); };
var hasPositionalKey = function (target) {
    return Object.keys(target).some(isPositionalKey);
};
var setAndResetVelocity = function (value, to) {
    // Looks odd but setting it twice doesn't render, it'll just
    // set both prev and current to the latest value
    value.set(to, false);
    value.set(to);
};
var isNumOrPxType = function (v) {
    return v === number || v === px;
};
var BoundingBoxDimension;
(function (BoundingBoxDimension) {
    BoundingBoxDimension["width"] = "width";
    BoundingBoxDimension["height"] = "height";
    BoundingBoxDimension["left"] = "left";
    BoundingBoxDimension["right"] = "right";
    BoundingBoxDimension["top"] = "top";
    BoundingBoxDimension["bottom"] = "bottom";
})(BoundingBoxDimension || (BoundingBoxDimension = {}));
var getPosFromMatrix = function (matrix, pos) {
    return parseFloat(matrix.split(", ")[pos]);
};
var getTranslateFromMatrix = function (pos2, pos3) { return function (_bbox, _a) {
    var transform = _a.transform;
    if (transform === "none" || !transform)
        return 0;
    var matrix3d = transform.match(/^matrix3d\((.+)\)$/);
    if (matrix3d) {
        return getPosFromMatrix(matrix3d[1], pos3);
    }
    else {
        var matrix = transform.match(/^matrix\((.+)\)$/);
        if (matrix) {
            return getPosFromMatrix(matrix[1], pos2);
        }
        else {
            return 0;
        }
    }
}; };
var transformKeys = new Set(["x", "y", "z"]);
var nonTranslationalTransformKeys = transformProps.filter(function (key) { return !transformKeys.has(key); });
function removeNonTranslationalTransform(values, elementStyler) {
    var removedTransforms = [];
    nonTranslationalTransformKeys.forEach(function (key) {
        var value = values.get(key);
        if (value !== undefined) {
            removedTransforms.push([key, value.get()]);
            value.set(key.startsWith("scale") ? 1 : 0);
        }
    });
    // Apply changes to element before measurement
    if (removedTransforms.length)
        elementStyler.render();
    return removedTransforms;
}
var positionalValues = {
    // Dimensions
    width: function (_a) {
        var width = _a.width;
        return width;
    },
    height: function (_a) {
        var height = _a.height;
        return height;
    },
    top: function (_bbox, _a) {
        var top = _a.top;
        return parseFloat(top);
    },
    left: function (_bbox, _a) {
        var left = _a.left;
        return parseFloat(left);
    },
    bottom: function (_a, _b) {
        var height = _a.height;
        var top = _b.top;
        return parseFloat(top) + height;
    },
    right: function (_a, _b) {
        var width = _a.width;
        var left = _b.left;
        return parseFloat(left) + width;
    },
    // Transform
    x: getTranslateFromMatrix(4, 13),
    y: getTranslateFromMatrix(5, 14),
};
var convertChangedValueTypes = function (target, values, element, elementStyler, changedKeys) {
    var originBbox = element.getBoundingClientRect();
    var elementComputedStyle = getComputedStyle(element);
    var display = elementComputedStyle.display, top = elementComputedStyle.top, left = elementComputedStyle.left, bottom = elementComputedStyle.bottom, right = elementComputedStyle.right, transform = elementComputedStyle.transform;
    var originComputedStyle = { top: top, left: left, bottom: bottom, right: right, transform: transform };
    // If the element is currently set to display: "none", make it visible before
    // measuring the target bounding box
    if (display === "none") {
        elementStyler.set("display", target.display || "block");
    }
    // Apply the latest values (as set in checkAndConvertChangedValueTypes)
    elementStyler.render();
    var targetBbox = element.getBoundingClientRect();
    changedKeys.forEach(function (key) {
        // Restore styles to their **calculated computed style**, not their actual
        // originally set style. This allows us to animate between equivalent pixel units.
        var value = values.get(key);
        setAndResetVelocity(value, positionalValues[key](originBbox, originComputedStyle));
        target[key] = positionalValues[key](targetBbox, elementComputedStyle);
    });
    return target;
};
var checkAndConvertChangedValueTypes = function (values, ref, target, transitionEnd) {
    if (transitionEnd === void 0) { transitionEnd = {}; }
    target = __assign({}, target);
    transitionEnd = __assign({}, transitionEnd);
    var element = ref.current;
    var elementStyler = styler(element);
    var targetPositionalKeys = Object.keys(target).filter(isPositionalKey);
    // We want to remove any transform values that could affect the element's bounding box before
    // it's measured. We'll reapply these later.
    var removedTransformValues = [];
    var hasAttemptedToRemoveTransformValues = false;
    var changedValueTypeKeys = targetPositionalKeys.reduce(function (acc, key) {
        var value = values.get(key);
        if (!value)
            return acc;
        var from = value.get();
        var to = target[key];
        var fromType = getDimensionValueType(from);
        var toType;
        // TODO: The current implementation of this basically throws an error
        // if you try and do value conversion via keyframes. There's probably
        // a way of doing this but the performance implications would need greater scrutiny,
        // as it'd be doing multiple resize-remeasure operations.
        if (isKeyframesTarget(to)) {
            var numKeyframes = to.length;
            for (var i = to[0] === null ? 1 : 0; i < numKeyframes; i++) {
                if (!toType) {
                    toType = getDimensionValueType(to[i]);
                    invariant(toType === fromType ||
                        (isNumOrPxType(fromType) &&
                            isNumOrPxType(toType)), "Keyframes must be of the same dimension as the current value");
                }
                else {
                    invariant(getDimensionValueType(to[i]) === toType, "All keyframes must be of the same type");
                }
            }
        }
        else {
            toType = getDimensionValueType(to);
        }
        if (fromType !== toType) {
            // If they're both just number or px, convert them both to numbers rather than
            // relying on resize/remeasure to convert (which is wasteful in this situation)
            if (isNumOrPxType(fromType) && isNumOrPxType(toType)) {
                var current = value.get();
                if (typeof current === "string") {
                    value.set(parseFloat(current));
                }
                if (typeof to === "string") {
                    target[key] = parseFloat(to);
                }
                else if (Array.isArray(to) && toType === px) {
                    target[key] = to.map(parseFloat);
                }
            }
            else {
                // If we're going to do value conversion via DOM measurements, we first
                // need to remove non-positional transform values that could affect the bbox measurements.
                if (!hasAttemptedToRemoveTransformValues) {
                    removedTransformValues = removeNonTranslationalTransform(values, elementStyler);
                    hasAttemptedToRemoveTransformValues = true;
                }
                acc.push(key);
                transitionEnd[key] =
                    transitionEnd[key] !== undefined
                        ? transitionEnd[key]
                        : target[key];
                setAndResetVelocity(value, to);
            }
        }
        return acc;
    }, []);
    if (changedValueTypeKeys.length) {
        var convertedTarget = convertChangedValueTypes(target, values, element, elementStyler, changedValueTypeKeys);
        // If we removed transform values, reapply them before the next render
        if (removedTransformValues.length) {
            removedTransformValues.forEach(function (_a) {
                var key = _a[0], value = _a[1];
                values.get(key).set(value);
            });
        }
        // Reapply original values
        elementStyler.render();
        return { target: convertedTarget, transitionEnd: transitionEnd };
    }
    else {
        return { target: target, transitionEnd: transitionEnd };
    }
};
/**
 * Convert value types for x/y/width/height/top/left/bottom/right
 *
 * Allows animation between `'auto'` -> `'100%'` or `0` -> `'calc(50% - 10vw)'`
 *
 * @param values
 * @param ref
 * @param target
 * @param transitionEnd
 * @internal
 */
function unitConversion(values, ref, target, transitionEnd) {
    return hasPositionalKey(target)
        ? checkAndConvertChangedValueTypes(values, ref, target, transitionEnd)
        : { target: target, transitionEnd: transitionEnd };
}

var parseDomVariant = function (values, ref) {
    return function (target, transitionEnd) {
        var resolved = resolveCSSVariables(values, ref, target, transitionEnd);
        target = resolved.target;
        transitionEnd = resolved.transitionEnd;
        return unitConversion(values, ref, target, transitionEnd);
    };
};

function useForceUpdate() {
    var _a = useState(0), forcedRenderCount = _a[0], setForcedRenderCount = _a[1];
    return useCallback(function () { return setForcedRenderCount(forcedRenderCount + 1); }, [
        forcedRenderCount,
    ]);
}

var SyncLayoutContext = createContext(null);
/**
 * When layout changes happen asynchronously to their instigating render (ie when exiting
 * children of `AnimatePresence` are removed), `SyncLayout` can wrap parent and sibling
 * components that need to animate as a result of this layout change.
 *
 * @motion
 *
 * ```jsx
 * const MyComponent = ({ isVisible }) => {
 *   return (
 *     <SyncLayout>
 *       <AnimatePresence>
 *         {isVisible && (
 *           <motion.div exit={{ opacity: 0 }} />
 *         )}
 *       </AnimatePresence>
 *       <motion.div positionTransition />
 *     </SyncLayout>
 *   )
 * }
 * ```
 *
 * @internalremarks
 *
 * The way this component works is by memoising a function and passing it down via context.
 * The function, when called, updates the local state, which is used to invalidate the
 * memoisation cache. A new function is called, performing a synced re-render of components
 * that are using the SyncLayoutContext.
 *
 * @internal
 */
var UnstableSyncLayout = function (_a) {
    var children = _a.children;
    var forceUpdate = useForceUpdate();
    return (createElement(SyncLayoutContext.Provider, { value: forceUpdate }, children));
};

var _a;
var StepName;
(function (StepName) {
    StepName["Prepare"] = "prepare";
    StepName["Read"] = "read";
    StepName["Render"] = "render";
})(StepName || (StepName = {}));
var stepOrder = [StepName.Prepare, StepName.Read, StepName.Render];
var jobs = stepOrder.reduce(function (acc, key) {
    acc[key] = [];
    return acc;
}, {});
var jobsNeedProcessing = false;
function flushCallbackList(list) {
    var numJobs = list.length;
    for (var i = 0; i < numJobs; i++) {
        list[i]();
    }
    list.length = 0;
}
function flushAllJobs() {
    if (!jobsNeedProcessing)
        return;
    flushCallbackList(jobs.prepare);
    flushCallbackList(jobs.read);
    flushCallbackList(jobs.render);
    jobsNeedProcessing = false;
}
// Note: The approach of schedulng jobs during the render step is incompatible with concurrent mode
// where multiple renders might happen without a DOM update. This would result in unneccessary batched
// jobs. But this was already a problem with our previous approach to positionTransition.
// Hopefully the React team offer a getSnapshotBeforeUpdate-esque hook and we can move to that.
var createUseSyncEffect = function (stepName) { return function (callback) {
    if (!callback)
        return;
    jobsNeedProcessing = true;
    jobs[stepName].push(callback);
}; };
var layoutSync = (_a = {},
    _a[StepName.Prepare] = createUseSyncEffect(StepName.Prepare),
    _a[StepName.Read] = createUseSyncEffect(StepName.Read),
    _a[StepName.Render] = createUseSyncEffect(StepName.Render),
    _a.flush = flushAllJobs,
    _a);

function isHTMLElement(element) {
    return element instanceof HTMLElement;
}

var defaultLayoutTransition = {
    duration: 0.8,
    ease: [0.45, 0.05, 0.19, 1.0],
};
var defaultPositionTransition = underDampedSpring();
function getDefaultLayoutTransition(isPositionOnly) {
    return isPositionOnly ? defaultPositionTransition : defaultLayoutTransition;
}
function isResolver(transition) {
    return typeof transition === "function";
}
var axisLabels = {
    x: {
        id: "x",
        size: "width",
        min: "left",
        max: "right",
        origin: "originX",
    },
    y: {
        id: "y",
        size: "height",
        min: "top",
        max: "bottom",
        origin: "originY",
    },
};
function centerOf(min, max) {
    return (min + max) / 2;
}
function calcAxisDelta(prev, next, names) {
    var _a;
    var sizeDelta = prev[names.size] - next[names.size];
    var origin = 0.5;
    // If the element has changed size we want to check whether either side is in
    // the same position before/after the layout transition. If so, we can anchor
    // the element to that position and only animate its size.
    if (sizeDelta) {
        if (prev[names.min] === next[names.min]) {
            origin = 0;
        }
        else if (prev[names.max] === next[names.max]) {
            origin = 1;
        }
    }
    var delta = (_a = {},
        _a[names.size] = sizeDelta,
        _a[names.origin] = origin,
        _a[names.id] = 
        // Only measure a position delta if we haven't anchored to one side
        origin === 0.5
            ? centerOf(prev[names.min], prev[names.max]) -
                centerOf(next[names.min], next[names.max])
            : 0,
        _a);
    return delta;
}
function calcDelta(prev, next) {
    var delta = __assign(__assign({}, calcAxisDelta(prev, next, axisLabels.x)), calcAxisDelta(prev, next, axisLabels.y));
    return delta;
}
var offset = {
    getLayout: function (_a) {
        var offset = _a.offset;
        return offset;
    },
    measure: function (element) {
        var offsetLeft = element.offsetLeft, offsetTop = element.offsetTop, offsetWidth = element.offsetWidth, offsetHeight = element.offsetHeight;
        return {
            left: offsetLeft,
            top: offsetTop,
            right: offsetLeft + offsetWidth,
            bottom: offsetTop + offsetHeight,
            width: offsetWidth,
            height: offsetHeight,
        };
    },
};
var boundingBox = {
    getLayout: function (_a) {
        var boundingBox = _a.boundingBox;
        return boundingBox;
    },
    measure: function (element) {
        var _a = element.getBoundingClientRect(), left = _a.left, top = _a.top, width = _a.width, height = _a.height, right = _a.right, bottom = _a.bottom;
        return { left: left, top: top, width: width, height: height, right: right, bottom: bottom };
    },
};
function readPositionStyle(element) {
    return window.getComputedStyle(element).position;
}
function getLayoutType(prev, next, isPositionOnly) {
    return isPositionOnly && prev === next ? offset : boundingBox;
}
function isSizeKey(key) {
    return key === "width" || key === "height";
}
function getTransition(_a) {
    var layoutTransition = _a.layoutTransition, positionTransition = _a.positionTransition;
    return layoutTransition || positionTransition;
}
var LayoutAnimation = /** @class */ (function (_super) {
    __extends(LayoutAnimation, _super);
    function LayoutAnimation() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    // Measure the current state of the DOM before it's updated, and schedule checks to see
    // if it's changed as a result of a React render.
    LayoutAnimation.prototype.getSnapshotBeforeUpdate = function () {
        var _a = this.props, innerRef = _a.innerRef, positionTransition = _a.positionTransition, values = _a.values, controls = _a.controls;
        var element = innerRef.current;
        if (!isHTMLElement(element))
            return;
        var layoutTransition = getTransition(this.props);
        var isPositionOnly = !!positionTransition;
        var positionStyle = readPositionStyle(element);
        var prev = {
            offset: offset.measure(element),
            boundingBox: boundingBox.measure(element),
        };
        var transform;
        var next;
        var compare;
        // We split the unsetting, read and reapplication of the `transform` style prop into
        // different steps via useSyncEffect. Multiple components might all be doing the same
        // thing and by splitting these jobs and flushing them in batches we prevent layout thrashing.
        layoutSync.prepare(function () {
            // Unset the transform of all layoutTransition components so we can accurately measure
            // the target bounding box
            transform = element.style.transform;
            element.style.transform = "";
        });
        layoutSync.read(function () {
            // Read the target VisualInfo of all layoutTransition components
            next = {
                offset: offset.measure(element),
                boundingBox: boundingBox.measure(element),
            };
            var nextPosition = readPositionStyle(element);
            compare = getLayoutType(positionStyle, nextPosition, isPositionOnly);
        });
        layoutSync.render(function () {
            // Reverse the layout delta of all newly laid-out layoutTransition components into their
            // prev visual state and then animate them into their new one using transforms.
            var prevLayout = compare.getLayout(prev);
            var nextLayout = compare.getLayout(next);
            var delta = calcDelta(prevLayout, nextLayout);
            var hasAnyChanged = delta.x || delta.y || delta.width || delta.height;
            if (!hasAnyChanged) {
                // If layout hasn't changed, reapply the transform and get out of here.
                transform && (element.style.transform = transform);
                return;
            }
            styler(element).set({
                originX: delta.originX,
                originY: delta.originY,
            });
            syncRenderSession.open();
            var target = {};
            var transition = {};
            var transitionDefinition = isResolver(layoutTransition)
                ? layoutTransition({ delta: delta })
                : layoutTransition;
            function makeTransition(layoutKey, transformKey, targetValue, visualOrigin) {
                // If this dimension hasn't changed, early return
                var deltaKey = isSizeKey(layoutKey) ? layoutKey : transformKey;
                if (!delta[deltaKey])
                    return;
                var baseTransition = typeof transitionDefinition === "boolean"
                    ? __assign({}, getDefaultLayoutTransition(isPositionOnly)) : transitionDefinition;
                var value = values.get(transformKey, targetValue);
                var velocity = value.getVelocity();
                transition[transformKey] = baseTransition[transformKey]
                    ? __assign({}, baseTransition[transformKey]) : __assign({}, baseTransition);
                if (transition[transformKey].velocity === undefined) {
                    transition[transformKey].velocity = velocity || 0;
                }
                // The target value of all transforms is the default value of that prop (ie x = 0, scaleX = 1)
                // This is because we're inverting the layout change with `transform` and then animating to `transform: none`
                target[transformKey] = targetValue;
                var offsetToApply = !isSizeKey(layoutKey) && compare === offset
                    ? value.get()
                    : 0;
                value.set(visualOrigin + offsetToApply);
            }
            makeTransition("left", "x", 0, delta.x);
            makeTransition("top", "y", 0, delta.y);
            if (!isPositionOnly) {
                makeTransition("width", "scaleX", 1, prev.boundingBox.width / next.boundingBox.width);
                makeTransition("height", "scaleY", 1, prev.boundingBox.height / next.boundingBox.height);
            }
            target.transition = transition;
            // Only start the transition if `transitionDefinition` isn't `false`. Otherwise we want
            // to leave the values in their newly-inverted state and let the user cope with the rest.
            transitionDefinition && controls.start(target);
            // Force a render to ensure there's no visual flickering
            syncRenderSession.flush();
        });
        return null;
    };
    LayoutAnimation.prototype.componentDidUpdate = function () {
        layoutSync.flush();
    };
    LayoutAnimation.prototype.render = function () {
        return null;
    };
    LayoutAnimation.contextType = SyncLayoutContext;
    return LayoutAnimation;
}(Component));
var Layout = {
    key: "layout",
    shouldRender: function (_a) {
        var positionTransition = _a.positionTransition, layoutTransition = _a.layoutTransition;
        invariant(!(positionTransition && layoutTransition), "Don't set both positionTransition and layoutTransition on the same component");
        return (typeof window !== "undefined" &&
            !!(positionTransition || layoutTransition));
    },
    Component: LayoutAnimation,
};

/**
 * A list of all valid MotionProps
 *
 * @internalremarks
 * This doesn't throw if a `MotionProp` name is missing - it should.
 */
var validMotionProps = new Set([
    "initial",
    "animate",
    "exit",
    "style",
    "variants",
    "transition",
    "transformTemplate",
    "transformValues",
    "custom",
    "inherit",
    "static",
    "positionTransition",
    "layoutTransition",
    "onAnimationStart",
    "onAnimationComplete",
    "onUpdate",
    "onDragStart",
    "onDrag",
    "onDragEnd",
    "onDirectionLock",
    "onDragTransitionEnd",
    "drag",
    "dragControls",
    "dragListener",
    "dragConstraints",
    "dragDirectionLock",
    "dragElastic",
    "dragMomentum",
    "dragPropagation",
    "dragTransition",
    "_dragValueX",
    "_dragValueY",
    "_dragTransitionControls",
    "dragOriginX",
    "dragOriginY",
    "onPan",
    "onPanStart",
    "onPanEnd",
    "onPanSessionStart",
    "onTap",
    "onTapStart",
    "onTapCancel",
    "whileHover",
    "whileTap",
    "onHoverEnd",
    "onHoverStart",
]);
/**
 * 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 validMotionProps.has(key);
}

var AnimatePropType;
(function (AnimatePropType) {
    AnimatePropType["Target"] = "Target";
    AnimatePropType["VariantLabel"] = "VariantLabel";
    AnimatePropType["AnimationSubscription"] = "AnimationSubscription";
})(AnimatePropType || (AnimatePropType = {}));

function shallowCompare(next, prev) {
    if (prev === null)
        return false;
    var prevLength = prev.length;
    if (prevLength !== next.length)
        return false;
    for (var i = 0; i < prevLength; i++) {
        if (prev[i] !== next[i])
            return false;
    }
    return true;
}

var hasUpdated = function (prev, next) {
    return (next !== undefined &&
        (Array.isArray(prev) && Array.isArray(next)
            ? !shallowCompare(next, prev)
            : prev !== next));
};
function targetWithoutTransition(_a, mergeTransitionEnd) {
    if (mergeTransitionEnd === void 0) { mergeTransitionEnd = false; }
    var transition = _a.transition, transitionEnd = _a.transitionEnd, target = __rest(_a, ["transition", "transitionEnd"]);
    return mergeTransitionEnd
        ? __assign(__assign({}, target), transitionEnd)
        : target;
}
/**
 * Handle the `animate` prop when its an object of values, ie:
 *
 * ```jsx
 * <motion.div animate={{ opacity: 1 }} />
 * ```
 *
 * @internalremarks
 * It might be worth consolidating this with `use-variants`
 *
 * ```jsx
 * <motion.div animate="visible" />
 * ```
 *
 * @param target
 * @param controls
 * @param values
 * @param transition
 *
 * @internal
 */
function useAnimateProp(targetAndTransition, controls, values, defaultTransition) {
    var isInitialRender = useRef(true);
    var prevValues = useRef(null);
    if (!prevValues.current) {
        prevValues.current = targetWithoutTransition(targetAndTransition, true);
    }
    useEffect(function () {
        var targetToAnimate = {};
        // These are the values we're actually animating
        var animatingTarget = targetWithoutTransition(targetAndTransition);
        // This is the target as it'll be once transitionEnd values are applied
        var finalTarget = targetWithoutTransition(targetAndTransition, true);
        // Detect which values have changed between renders
        for (var key in animatingTarget) {
            // This value should animate on mount if this value doesn't already exist (wasn't
            // defined in `style` or `initial`) or if it does exist and it's already changed.
            var shouldAnimateOnMount = isInitialRender.current &&
                (!values.has(key) ||
                    values.get(key).get() !== finalTarget[key]);
            // If this value has updated between renders or it's we're animating this value on mount,
            // add it to the animate target.
            var isValidValue = finalTarget[key] !== null;
            var valueHasUpdated = hasUpdated(prevValues.current[key], finalTarget[key]);
            if (isValidValue && (valueHasUpdated || shouldAnimateOnMount)) {
                targetToAnimate[key] = animatingTarget[key];
            }
        }
        isInitialRender.current = false;
        prevValues.current = __assign(__assign({}, prevValues.current), finalTarget);
        if (Object.keys(targetToAnimate).length) {
            controls.start(__assign(__assign({}, targetToAnimate), { transition: targetAndTransition.transition || defaultTransition, transitionEnd: targetAndTransition.transitionEnd }));
        }
    }, [targetAndTransition]);
}

var labelsToArray = function (label) {
    if (!label) {
        return [];
    }
    if (Array.isArray(label)) {
        return label;
    }
    return [label];
};
var resolveVariantLabels = function (variant) {
    var unresolvedVariant = variant instanceof MotionValue ? variant.get() : variant;
    return Array.from(new Set(labelsToArray(unresolvedVariant)));
};
/**
 * Hooks in React sometimes accept a dependency array as their final argument. (ie useEffect/useMemo)
 * When values in this array change, React re-runs the dependency. However if the array
 * contains a variable number of items, React throws an error.
 */
var asDependencyList = function (list) { return [
    list.join(","),
]; };

var hasVariantChanged = function (oldVariant, newVariant) {
    return oldVariant.join(",") !== newVariant.join(",");
};
/**
 * Handle variants and the `animate` prop when its set as variant labels.
 *
 * @param initial - Initial variant(s)
 * @param animate - Variant(s) to animate to
 * @param inherit - `true` is inheriting animations from parent
 * @param controls - Animation controls
 *
 * @internal
 */
function useVariants(initial, animate, inherit, controls) {
    var targetVariants = resolveVariantLabels(animate);
    var context = useContext(MotionContext);
    var parentAlreadyMounted = context.hasMounted && context.hasMounted.current;
    var hasMounted = useRef(false);
    useEffect(function () {
        var shouldAnimate = false;
        if (inherit) {
            // If we're inheriting variant changes and the parent has already
            // mounted when this component loads, we need to manually trigger
            // this animation.
            shouldAnimate = !!parentAlreadyMounted;
            targetVariants = resolveVariantLabels(context.animate);
        }
        else {
            shouldAnimate =
                hasMounted.current ||
                    hasVariantChanged(resolveVariantLabels(initial), targetVariants);
        }
        shouldAnimate && controls.start(targetVariants);
        hasMounted.current = true;
    }, asDependencyList(targetVariants));
}

/**
 * `useAnimationGroupSubscription` allows a component to subscribe to an
 * externally-created `AnimationControls`, created by the `useAnimation` hook.
 *
 * @param animation
 * @param controls
 *
 * @internal
 */
function useAnimationGroupSubscription(animation, controls) {
    var unsubscribe = useMemo(function () { return animation.subscribe(controls); }, [
        animation,
    ]);
    useEffect(function () { return function () {
        unsubscribe && unsubscribe();
    }; }, [unsubscribe]);
}

var _a$1, _b;
var AnimatePropComponents = (_a$1 = {},
    _a$1[AnimatePropType.Target] = makeRenderlessComponent(function (_a) {
        var animate = _a.animate, controls = _a.controls, values = _a.values, transition = _a.transition;
        return useAnimateProp(animate, controls, values, transition);
    }),
    _a$1[AnimatePropType.VariantLabel] = makeRenderlessComponent(function (_a) {
        var animate = _a.animate, _b = _a.inherit, inherit = _b === void 0 ? true : _b, controls = _a.controls, initial = _a.initial;
        return useVariants(initial, animate, inherit, controls);
    }),
    _a$1[AnimatePropType.AnimationSubscription] = makeRenderlessComponent(function (_a) {
        var animate = _a.animate, controls = _a.controls;
        return useAnimationGroupSubscription(animate, controls);
    }),
    _a$1);
var isVariantLabel$1 = function (prop) {
    return Array.isArray(prop) || typeof prop === "string";
};
var isAnimationSubscription = function (_a) {
    var animate = _a.animate;
    return animate instanceof AnimationControls;
};
var animationProps = ["initial", "animate", "whileTap", "whileHover"];
var animatePropTypeTests = (_b = {},
    _b[AnimatePropType.Target] = function (props) {
        return (props.animate !== undefined &&
            !isVariantLabel$1(props.animate) &&
            !isAnimationSubscription(props));
    },
    _b[AnimatePropType.VariantLabel] = function (props) {
        return (props.variants !== undefined ||
            animationProps.some(function (key) { return typeof props[key] === "string"; }));
    },
    _b[AnimatePropType.AnimationSubscription] = isAnimationSubscription,
    _b);
var getAnimationComponent = function (props) {
    var animatePropType = undefined;
    for (var key in AnimatePropType) {
        if (animatePropTypeTests[key](props)) {
            animatePropType = key;
        }
    }
    return animatePropType ? AnimatePropComponents[animatePropType] : undefined;
};

/**
 * 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 the tree, but
 * `AnimatePresence` won't really remove it until `safeToRemove` has been called.
 *
 * @public
 */
function usePresence() {
    var context = useContext(PresenceContext);
    if (context === null)
        return [true];
    var isPresent = context.isPresent, onExitComplete = context.onExitComplete, register = context.register;
    useEffect(register, []);
    return !isPresent && onExitComplete ? [false, onExitComplete] : [true];
}

var Exit = {
    key: "exit",
    shouldRender: function (props) { return !!props.exit && !checkShouldInheritVariant(props); },
    Component: makeRenderlessComponent(function (props) {
        var _a;
        var animate = props.animate, controls = props.controls, exit = props.exit;
        var _b = usePresence(), isPresent = _b[0], onExitComplete = _b[1];
        var presenceContext = useContext(PresenceContext);
        var isPlayingExitAnimation = useRef(false);
        var custom = ((_a = presenceContext) === null || _a === void 0 ? void 0 : _a.custom) !== undefined
            ? presenceContext.custom
            : props.custom;
        useEffect(function () {
            if (!isPresent) {
                if (!isPlayingExitAnimation.current && exit) {
                    controls.setProps(__assign(__assign({}, props), { custom: custom }));
                    controls.start(exit).then(onExitComplete);
                }
                isPlayingExitAnimation.current = true;
            }
            else if (isPlayingExitAnimation.current &&
                animate &&
                !(animate instanceof AnimationControls)) {
                controls.start(animate);
            }
            if (isPresent) {
                isPlayingExitAnimation.current = false;
            }
        }, [isPresent]);
    }),
};

var isPropValid = function (key) { return !isValidMotionProp(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 {
    var emotionIsPropValid_1 = require("@emotion/is-prop-valid").default;
    isPropValid = function (key) {
        // Handle events explicitly as Emotion validates them all as true
        if (key.startsWith("on")) {
            return !isValidMotionProp(key);
        }
        else {
            return emotionIsPropValid_1(key);
        }
    };
}
catch (_a) {
    // We don't need to actually do anything here - the fallback is the existing `isPropValid`.
}
function filterValidProps(props) {
    var domProps = {};
    for (var key in props) {
        if (isPropValid(key)) {
            domProps[key] = props[key];
        }
    }
    return domProps;
}
var buildHTMLProps = function (values, style, isStatic, isDrag) {
    // The `any` isn't ideal but it is the type of createElement props argument
    var props = {
        style: buildStyleAttr(values, style, isStatic),
    };
    if (isDrag) {
        // Disable text selection
        props.style.userSelect = "none";
        // Disable the ghost element when a user drags
        props.draggable = false;
    }
    return props;
};
var buildSVGProps = function (values, style) {
    var motionValueStyles = resolveCurrent(values);
    var props = buildSVGAttrs(motionValueStyles, undefined, undefined, undefined, undefined, false);
    props.style = __assign(__assign({}, style), props.style);
    return props;
};
var functionalityComponents = [Layout, Drag, Gestures, Exit];
var numFunctionalityComponents = functionalityComponents.length;
/**
 * Create a configuration for `motion` components that provides DOM-specific functionality.
 *
 * @internal
 */
function createDomMotionConfig(Component) {
    var isDOM = typeof Component === "string";
    var isSVG = isDOM && svgElements.indexOf(Component) !== -1;
    return {
        renderComponent: function (ref, style, values, props, isStatic) {
            var forwardedProps = isDOM ? filterValidProps(props) : props;
            var staticVisualStyles = isSVG
                ? buildSVGProps(values, style)
                : buildHTMLProps(values, style, isStatic, !!props.drag);
            return createElement(Component, __assign(__assign(__assign({}, forwardedProps), { ref: ref }), staticVisualStyles));
        },
        /**
         * loadFunctionalityComponents gets used by the `motion` component
         *
         * Each functionality component gets provided the `ref`, animation controls and the `MotionValuesMap`
         * generated for that component, as well as all the `props` passed to it by the user.
         *
         * The pattern used to determine whether to load and use each piece of functionality is
         * consistent (should render? Then push component) and could be used to extend functionality.
         *
         * By exposing a mutable piece of memory via an API like `extendMotionComponent` we could
         * allow users to add `FunctionalComponentDefinition`s. This would allow us to offer file size
         * reductions by shipping an entry point that doesn't load gesture and drag functionality, and
         * also offer a way for users to develop plugins/other functionality. Because these functionalities
         * are loaded as components, we can look into using Suspense for this purpose.
         *
         * For user-defined functionality we'd need to allow
         *  1) User-defined prop typing (extending `P`)
         *  2) User-defined "clean props" function that removes their plugin's props before being passed to the DOM.
         */
        loadFunctionalityComponents: function (ref, values, props, context, controls, inherit) {
            var activeComponents = [];
            // TODO: Consolidate Animation functionality loading strategy with other functionality components
            var Animation = getAnimationComponent(props);
            if (Animation) {
                activeComponents.push(createElement(Animation, { key: "animation", initial: props.initial, animate: props.animate, variants: props.variants, transition: props.transition, controls: controls, inherit: inherit, values: values }));
            }
            for (var i = 0; i < numFunctionalityComponents; i++) {
                var _a = functionalityComponents[i], shouldRender = _a.shouldRender, key = _a.key, Component_1 = _a.Component;
                if (shouldRender(props, context)) {
                    activeComponents.push(createElement(Component_1, __assign({ key: key }, props, { parentContext: context, values: values, controls: controls, innerRef: ref })));
                }
            }
            return activeComponents;
        },
        getValueControlsConfig: function (ref, values) {
            return {
                values: values,
                readValueFromSource: function (key) {
                    return styler(ref.current).get(key);
                },
                // TODO: This is a good second source of plugins. This function contains the CSS variable
                // and unit conversion support. These functions share a common signature. We could make another
                // API for adding these.
                makeTargetAnimatable: parseDomVariant(values, ref),
            };
        },
    };
}

var htmlMotionComponents = htmlElements.reduce(function (acc, Component) {
    var config = createDomMotionConfig(Component);
    // Suppress "Expression produces a union type that is too complex to represent" error
    // @ts-ignore
    acc[Component] = createMotionComponent(config);
    return acc;
}, {});
var svgMotionComponents = svgElements.reduce(function (acc, Component) {
    // Suppress "Expression produces a union type that is too complex to represent" error
    // @ts-ignore
    acc[Component] = createMotionComponent(createDomMotionConfig(Component));
    return acc;
}, {});
/**
 * HTML & SVG components, optimised for use with gestures and animation. These can be used as
 * drop-in replacements for any HTML & SVG component, all CSS & SVG properties are supported.
 *
 * @internalremarks
 *
 * I'd like to make it possible for these to be loaded "on demand" - to reduce bundle size by only
 * including HTML/SVG stylers, animation and/or gesture support when necessary.
 *
 * ```jsx
 * <motion.div animate={{ x: 100 }} />
 *
 * <motion.p animate={{ height: 200 }} />
 *
 * <svg><motion.circle r={10} animate={{ r: 20 }} /></svg>
 * ```
 *
 * @public
 */
var motion = __assign(__assign({ 
    /**
     * Convert a custom React component into a `motion` component.
     *
     * It can also accept a string, to create [custom DOM elements](https://developer.mozilla.org/en-US/docs/Web/Web_Components/Using_custom_elements).
     *
     * ```jsx
     * const Component = React.forwardRef((props: Props, ref) => {
     *   return <div ref={ref} />
     * })
     *
     * const MotionComponent = motion.custom<Props>(Component)
     * ```
     *
     * @param Component -
     */
    custom: function custom(Component) {
        return createMotionComponent(createDomMotionConfig(Component));
    } }, htmlMotionComponents), svgMotionComponents);

/**
 * Creates a `MotionValue` to track the state and velocity of a value.
 *
 * Usually, these are created automatically. For advanced use-cases, like use with `useTransform`, you can create `MotionValue`s externally and pass them into the animated component via the `style` prop.
 *
 * @library
 *
 * ```jsx
 * export function MyComponent() {
 *   const scale = useMotionValue(1)
 *
 *   return <Frame scale={scale} />
 * }
 * ```
 *
 * @motion
 *
 * ```jsx
 * export const MyComponent = () => {
 *   const scale = useMotionValue(1)
 *
 *   return <motion.div style={{ scale }} />
 * }
 * ```
 *
 * @param initial - The initial state.
 *
 * @public
 */
function useMotionValue(initial) {
    return useConstant(function () { return motionValue(initial); });
}

/**
 * If the provided value is a MotionValue, this returns the actual value, otherwise just the value itself
 *
 * TODO: Remove and move to library
 *
 * @internal
 */
function unwrapMotionValue(value) {
    var unwrappedValue = value instanceof MotionValue ? value.get() : value;
    return isCustomValue(unwrappedValue)
        ? unwrappedValue.toValue()
        : unwrappedValue;
}

var isCustomValueType = function (v) {
    return typeof v === "object" && v.mix;
};
var getMixer = function (v) { return (isCustomValueType(v) ? v.mix : undefined); };
function transform() {
    var args = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        args[_i] = arguments[_i];
    }
    var useImmediate = !Array.isArray(args[0]);
    var argOffset = useImmediate ? 0 : -1;
    var inputValue = args[0 + argOffset];
    var inputRange = args[1 + argOffset];
    var outputRange = args[2 + argOffset];
    var options = args[3 + argOffset];
    var interpolator = interpolate(inputRange, outputRange, __assign({ mixer: getMixer(outputRange[0]) }, options));
    return useImmediate ? interpolator(inputValue) : interpolator;
}

var isTransformer = function (v) {
    return typeof v === "function";
};
var noop$1 = function (v) { return v; };
function useTransform(parent, customTransform, to, options) {
    var value = useRef(null);
    var comparitor = [parent];
    var transformer = noop$1;
    if (isTransformer(customTransform)) {
        transformer = customTransform;
    }
    else if (Array.isArray(to)) {
        var from = customTransform;
        transformer = transform(from, to, options);
        comparitor = [parent, from.join(","), to.join(",")];
    }
    return useMemo(function () {
        if (value.current)
            value.current.destroy();
        value.current = parent.addChild({ transformer: transformer });
        return value.current;
    }, comparitor);
}

// Keep things reasonable and avoid scale: Infinity. In practise we might need
// to add another value, opacity, that could interpolate scaleX/Y [0,0.01] => [0,1]
// to simply hide content at unreasonable scales.
var maxScale = 100000;
var invertScale = function (scale) { return (scale > 0.001 ? 1 / scale : maxScale); };
/**
 * Returns a `MotionValue` each for `scaleX` and `scaleY` that update with the inverse
 * of their respective parent scales.
 *
 * This is useful for undoing the distortion of content when scaling a parent component.
 *
 * By default, `useInvertedScale` will automatically fetch `scaleX` and `scaleY` from the nearest parent.
 * By passing other `MotionValue`s in as `useInvertedScale({ scaleX, scaleY })`, it will invert the output
 * of those instead.
 *
 * @motion
 *
 * ```jsx
 * const MyComponent = () => {
 *   const { scaleX, scaleY } = useInvertedScale()
 *   return <motion.div style={{ scaleX, scaleY }} />
 * }
 * ```
 *
 * @library
 *
 * ```jsx
 * function MyComponent() {
 *   const { scaleX, scaleY } = useInvertedScale()
 *   return <Frame scaleX={scaleX} scaleY={scaleY} />
 * }
 * ```
 *
 * @public
 */
function useInvertedScale(scale) {
    var parentScaleX = useMotionValue(1);
    var parentScaleY = useMotionValue(1);
    var values = useContext(MotionContext).values;
    invariant(!!(scale || values), "If no scale values are provided, useInvertedScale must be used within a child of another motion component.");
    if (scale) {
        parentScaleX = scale.scaleX || parentScaleX;
        parentScaleY = scale.scaleY || parentScaleY;
    }
    else if (values) {
        parentScaleX = values.get("scaleX", 1);
        parentScaleY = values.get("scaleY", 1);
    }
    var scaleX = useTransform(parentScaleX, invertScale);
    var scaleY = useTransform(parentScaleY, invertScale);
    return { scaleX: scaleX, scaleY: scaleY };
}

function useOnChange(value, callback) {
    useEffect(function () { return (isMotionValue(value) ? value.onChange(callback) : undefined); }, [value]);
}

/**
 * Creates a `MotionValue` that, when `set`, will use a spring animation to animate to its new state.
 *
 * It can either work as a stand-alone `MotionValue` by initialising it with a value, or as a subscriber
 * to another `MotionValue`.
 *
 * @remarks
 *
 * ```jsx
 * const x = useSpring(0, { stiffness: 300 })
 * const y = useSpring(x, { damping: 10 })
 * ```
 *
 * @param inputValue - `MotionValue` or number. If provided a `MotionValue`, when the input `MotionValue` changes, the created `MotionValue` will spring towards that value.
 * @param springConfig - Configuration options for the spring.
 * @returns `MotionValue`
 *
 * @public
 */
function useSpring(source, config) {
    if (config === void 0) { config = {}; }
    var activeSpringAnimation = useRef(null);
    var value = useMotionValue(isMotionValue(source) ? source.get() : source);
    useMemo(function () {
        return value.attach(function (v, set) {
            if (activeSpringAnimation.current) {
                activeSpringAnimation.current.stop();
            }
            activeSpringAnimation.current = spring(__assign({ from: value.get(), to: v, velocity: value.getVelocity() }, config)).start(set);
            return value.get();
        });
    }, Object.values(config));
    useOnChange(source, function (v) { return value.set(parseFloat(v)); });
    return value;
}

function createScrollMotionValues() {
    return {
        scrollX: motionValue(0),
        scrollY: motionValue(0),
        scrollXProgress: motionValue(0),
        scrollYProgress: motionValue(0),
    };
}
function setProgress(offset, maxOffset, value) {
    value.set(!offset || !maxOffset ? 0 : offset / maxOffset);
}
function createScrollUpdater(values, getOffsets) {
    var update = function () {
        var _a = getOffsets(), xOffset = _a.xOffset, yOffset = _a.yOffset, xMaxOffset = _a.xMaxOffset, yMaxOffset = _a.yMaxOffset;
        // Set absolute positions
        values.scrollX.set(xOffset);
        values.scrollY.set(yOffset);
        // Set 0-1 progress
        setProgress(xOffset, xMaxOffset, values.scrollXProgress);
        setProgress(yOffset, yMaxOffset, values.scrollYProgress);
    };
    update();
    return update;
}

var isBrowser$2 = typeof window !== "undefined";
var useIsomorphicLayoutEffect = isBrowser$2 ? useLayoutEffect : useEffect;

var getElementScrollOffsets = function (element) { return function () {
    return {
        xOffset: element.scrollLeft,
        yOffset: element.scrollTop,
        xMaxOffset: element.scrollWidth - element.offsetWidth,
        yMaxOffset: element.scrollHeight - element.offsetHeight,
    };
}; };
/**
 * Returns MotionValues that update when the provided element scrolls:
 *
 * - `scrollX` — Horizontal scroll distance in pixels.
 * - `scrollY` — Vertical scroll distance in pixels.
 * - `scrollXProgress` — Horizontal scroll progress between `0` and `1`.
 * - `scrollYProgress` — Vertical scroll progress between `0` and `1`.
 *
 * @library
 *
 * ```jsx
 * import * as React from "react"
 * import {
 *   Frame,
 *   useElementScroll,
 *   useTransform
 * } from "framer"
 *
 * export function MyComponent() {
 *   const ref = React.useRef()
 *   const { scrollYProgress } = useElementScroll(ref)
 *
 *   return (
 *     <Frame ref={ref}>
 *       <Frame scaleX={scrollYProgress} />
 *     </Frame>
 *   )
 * }
 * ```
 *
 * @motion
 *
 * ```jsx
 * export const MyComponent = () => {
 *   const ref = useRef()
 *   const { scrollYProgress } = useElementScroll(ref)
 *
 *   return (
 *     <div ref={ref}>
 *       <motion.div style={{ scaleX: scrollYProgress }} />
 *     </div>
 *   )
 * }
 * ```
 *
 * @public
 */
function useElementScroll(ref) {
    var values = useConstant(createScrollMotionValues);
    useIsomorphicLayoutEffect(function () {
        var element = ref.current;
        invariant(!!element, "ref provided to useScroll must be passed into a HTML element.");
        if (!element)
            return;
        var updateScrollValues = createScrollUpdater(values, getElementScrollOffsets(element));
        var scrollListener = addDomEvent(element, "scroll", updateScrollValues, { passive: true });
        var resizeListener = addDomEvent(element, "resize", updateScrollValues);
        return function () {
            scrollListener && scrollListener();
            resizeListener && resizeListener();
        };
    }, []);
    return values;
}

var viewportScrollValues = createScrollMotionValues();
function getViewportScrollOffsets() {
    return {
        xOffset: window.pageXOffset,
        yOffset: window.pageYOffset,
        xMaxOffset: document.body.clientWidth - window.innerWidth,
        yMaxOffset: document.body.clientHeight - window.innerHeight,
    };
}
var hasListeners = false;
function addEventListeners() {
    hasListeners = true;
    if (typeof window === "undefined")
        return;
    var updateScrollValues = createScrollUpdater(viewportScrollValues, getViewportScrollOffsets);
    addDomEvent(window, "scroll", updateScrollValues, { passive: true });
    addDomEvent(window, "resize", updateScrollValues);
}
/**
 * Returns MotionValues that update when the viewport scrolls:
 *
 * - `scrollX` — Horizontal scroll distance in pixels.
 * - `scrollY` — Vertical scroll distance in pixels.
 * - `scrollXProgress` — Horizontal scroll progress between `0` and `1`.
 * - `scrollYProgress` — Vertical scroll progress between `0` and `1`.
 *
 * @library
 *
 * ```jsx
 * import * as React from "react"
 * import {
 *   Frame,
 *   useViewportScroll,
 *   useTransform
 * } from "framer"
 *
 * export function MyComponent() {
 *   const { scrollYProgress } = useViewportScroll()
 *   return <Frame scaleX={scrollYProgress} />
 * }
 * ```
 *
 * @motion
 *
 * ```jsx
 * export const MyComponent = () => {
 *   const { scrollYProgress } = useViewportScroll()
 *   return <motion.div style={{ scaleX: scrollYProgress }} />
 * }
 * ```
 *
 * @public
 */
function useViewportScroll() {
    useIsomorphicLayoutEffect(function () {
        !hasListeners && addEventListeners();
    }, []);
    return viewportScrollValues;
}

/**
 * Creates `AnimationControls`, which can be used to manually start, stop
 * and sequence animations on one or more components.
 *
 * The returned `AnimationControls` should be passed to the `animate` property
 * of the components you want to animate.
 *
 * These components can then be animated with the `start` method.
 *
 * @library
 *
 * ```jsx
 * import * as React from 'react'
 * import { Frame, useAnimation } from 'framer'
 *
 * export function MyComponent(props) {
 *    const controls = useAnimation()
 *
 *    controls.start({
 *        x: 100,
 *        transition: { duration: 0.5 },
 *    })
 *
 *    return <Frame animate={controls} />
 * }
 * ```
 *
 * @motion
 *
 * ```jsx
 * import * as React from 'react'
 * import { motion, useAnimation } from 'framer-motion'
 *
 * export function MyComponent(props) {
 *    const controls = useAnimation()
 *
 *    controls.start({
 *        x: 100,
 *        transition: { duration: 0.5 },
 *    })
 *
 *    return <motion.div animate={controls} />
 * }
 * ```
 *
 * @returns Animation controller with `start` and `stop` methods
 *
 * @public
 */
function useAnimation() {
    var animationControls = useConstant(function () { return new AnimationControls(); });
    useEffect(function () {
        animationControls.mount();
        return function () { return animationControls.unmount(); };
    }, []);
    return animationControls;
}

/**
 * Experimental API.
 *
 * Makes an animated version of `useState`.
 *
 * @remarks
 *
 * When the returned state setter is called, values will be animated to their new target.
 *
 * This allows the animation of arbitrary React components.
 *
 * **Note:** When animating DOM components, it's always preferable to use the `animate` prop, as Framer
 * will bypass React's rendering cycle with one optimised for 60fps motion. This Hook is specifically
 * for animating props on arbitrary React components, or for animating text content.
 *
 * ```jsx
 * const [state, setState] = useAnimatedState({ percentage: 0 })
 *
 * return (
 *   <Graph
 *     percentage={state.percentage}
 *     onTap={() => setState({ percentage: 50 })}
 *   />
 * )
 * ```
 *
 * @internalremarks
 *
 * TODO:
 * - Make hook accept a typed version of Target that accepts any value (not just DOM values)
 * - Allow hook to accept single values. ie useAnimatedState(0)
 * - Allow providing MotionValues via initialState.
 *
 * @beta
 */
function useAnimatedState(initialState) {
    var _a = useState(initialState), animationState = _a[0], onUpdate = _a[1];
    var config = useConstant(function () { return ({ onUpdate: onUpdate }); });
    var values = useMotionValues(config);
    var controls = useValueAnimationControls({
        values: values,
        readValueFromSource: function (key) { return animationState[key]; },
    }, {}, false);
    var startAnimation = useConstant(function () { return function (animationDefinition) {
        return controls.start(animationDefinition);
    }; });
    useEffect(function () {
        values.mount();
        return function () { return values.unmount(); };
    }, []);
    return [animationState, startAnimation];
}

/**
 * Cycles through a series of visual properties. Can be used to toggle between or cycle through animations. It works similar to `useState` in React. It is provided an initial array of possible states, and returns an array of two arguments.
 *
 * @library
 *
 * ```jsx
 * import * as React from "react"
 * import { Frame, useCycle } from "framer"
 *
 * export function MyComponent() {
 *   const [x, cycleX] = useCycle(0, 50, 100)
 *
 *   return (
 *     <Frame
 *       animate={{ x: x }}
 *       onTap={() => cycleX()}
 *      />
 *    )
 * }
 * ```
 *
 * @motion
 *
 * An index value can be passed to the returned `cycle` function to cycle to a specific index.
 *
 * ```jsx
 * import * as React from "react"
 * import { motion, useCycle } from "framer-motion"
 *
 * export const MyComponent = () => {
 *   const [x, cycleX] = useCycle(0, 50, 100)
 *
 *   return (
 *     <motion.div
 *       animate={{ x: x }}
 *       onTap={() => cycleX()}
 *      />
 *    )
 * }
 * ```
 *
 * @param items - items to cycle through
 * @returns [currentState, cycleState]
 *
 * @public
 */
function useCycle() {
    var items = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        items[_i] = arguments[_i];
    }
    // TODO: After Framer X beta, remove this warning
    warning(items.length > 1, "useCycle syntax has changed. `useCycle([0, 1, 2])` becomes `useCycle(0, 1, 2)`");
    var index = useRef(0);
    var _a = useState(items[index.current]), item = _a[0], setItem = _a[1];
    return [
        item,
        function (next) {
            index.current =
                typeof next !== "number"
                    ? wrap(0, items.length, index.current + 1)
                    : next;
            setItem(items[index.current]);
        },
    ];
}

/**
 * Can manually trigger a drag gesture on one or more `drag`-enabled `motion` components.
 *
 * @library
 *
 * ```jsx
 * const dragControls = useDragControls()
 *
 * function startDrag(event) {
 *   dragControls.start(event, { snapToCursor: true })
 * }
 *
 * return (
 *   <>
 *     <Frame onTapStart={startDrag} />
 *     <Frame drag="x" dragControls={dragControls} />
 *   </>
 * )
 * ```
 *
 * @motion
 *
 * ```jsx
 * const dragControls = useDragControls()
 *
 * function startDrag(event) {
 *   dragControls.start(event, { snapToCursor: true })
 * }
 *
 * return (
 *   <>
 *     <div onMouseDown={startDrag} />
 *     <motion.div drag="x" dragControls={dragControls} />
 *   </>
 * )
 * ```
 *
 * @public
 */
var DragControls = /** @class */ (function () {
    function DragControls() {
        this.componentControls = new Set();
    }
    /**
     * Subscribe a component's internal `ComponentDragControls` to the user-facing API.
     *
     * @internal
     */
    DragControls.prototype.subscribe = function (controls) {
        var _this = this;
        this.componentControls.add(controls);
        return function () { return _this.componentControls.delete(controls); };
    };
    /**
     * Start a drag gesture on every `motion` component that has this set of drag controls
     * passed into it via the `dragControls` prop.
     *
     * ```jsx
     * dragControls.start(e, {
     *   snapToCursor: true
     * })
     * ```
     *
     * @param event - A mouse/touch/pointer event.
     * @param options - Options
     *
     * @public
     */
    DragControls.prototype.start = function (event, options) {
        this.componentControls.forEach(function (controls) {
            controls.start(event.nativeEvent || event, options);
        });
    };
    return DragControls;
}());
var createDragControls = function () { return new DragControls(); };
/**
 * Usually, dragging is initiated by pressing down on a `motion` component with a `drag` prop
 * and moving it. For some use-cases, for instance clicking at an arbitrary point on a video scrubber, we
 * might want to initiate that dragging from a different component than the draggable one.
 *
 * By creating a `dragControls` using the `useDragControls` hook, we can pass this into
 * the draggable component's `dragControls` prop. It exposes a `start` method
 * that can start dragging from pointer events on other components.
 *
 * @library
 *
 * ```jsx
 * const dragControls = useDragControls()
 *
 * function startDrag(event) {
 *   dragControls.start(event, { snapToCursor: true })
 * }
 *
 * return (
 *   <>
 *     <Frame onTapStart={startDrag} />
 *     <Frame drag="x" dragControls={dragControls} />
 *   </>
 * )
 * ```
 *
 * @motion
 *
 * ```jsx
 * const dragControls = useDragControls()
 *
 * function startDrag(event) {
 *   dragControls.start(event, { snapToCursor: true })
 * }
 *
 * return (
 *   <>
 *     <div onMouseDown={startDrag} />
 *     <motion.div drag="x" dragControls={dragControls} />
 *   </>
 * )
 * ```
 *
 * @public
 */
function useDragControls() {
    return useConstant(createDragControls);
}

var PresenceChild = function (_a) {
    var children = _a.children, initial = _a.initial, isPresent = _a.isPresent, onExitComplete = _a.onExitComplete, custom = _a.custom;
    var numPresenceChildren = useRef(0);
    var numExitComplete = useRef(0);
    var context = {
        initial: initial,
        isPresent: isPresent,
        custom: custom,
        onExitComplete: function () {
            numExitComplete.current++;
            var allComplete = numExitComplete.current >= numPresenceChildren.current;
            onExitComplete && allComplete && onExitComplete();
        },
    };
    var register = useMemo(function () {
        numExitComplete.current = 0;
        return function () {
            numPresenceChildren.current++;
            return function () { return numPresenceChildren.current--; };
        };
    }, [isPresent]);
    return (createElement(PresenceContext.Provider, { value: __assign(__assign({}, context), { register: register }) }, children));
};

function getChildKey(child) {
    return child.key || "";
}
function updateChildLookup(children, allChildren) {
    var seenChildren = process.env.NODE_ENV !== "production" ? new Set() : null;
    children.forEach(function (child) {
        var key = getChildKey(child);
        if (process.env.NODE_ENV !== "production" && seenChildren) {
            if (seenChildren.has(key)) {
                console.warn("Children of AnimatePresence require unique keys. \"" + key + "\" is a duplicate.");
            }
            seenChildren.add(key);
        }
        allChildren.set(key, child);
    });
}
function onlyElements(children) {
    var filtered = [];
    // We use forEach here instead of map as map mutates the component key by preprending `.$`
    Children.forEach(children, function (child) {
        if (isValidElement(child))
            filtered.push(child);
    });
    return filtered;
}
/**
 * `AnimatePresence` enables the animation of components that have been removed from the tree.
 *
 * When adding/removing more than a single child, every child **must** be given a unique `key` prop.
 *
 * @library
 *
 * Any `Frame` components that have an `exit` property defined will animate out when removed from
 * the tree.
 *
 * ```jsx
 * import { Frame, AnimatePresence } from 'framer'
 *
 * // As items are added and removed from `items`
 * export function Items({ items }) {
 *   return (
 *     <AnimatePresence>
 *       {items.map(item => (
 *         <Frame
 *           key={item.id}
 *           initial={{ opacity: 0 }}
 *           animate={{ opacity: 1 }}
 *           exit={{ opacity: 0 }}
 *         />
 *       ))}
 *     </AnimatePresence>
 *   )
 * }
 * ```
 *
 * You can sequence exit animations throughout a tree using variants.
 *
 * @motion
 *
 * Any `motion` components that have an `exit` property defined will animate out when removed from
 * the tree.
 *
 * ```jsx
 * import { motion, AnimatePresence } from 'framer-motion'
 *
 * export const Items = ({ items }) => (
 *   <AnimatePresence>
 *     {items.map(item => (
 *       <motion.div
 *         key={item.id}
 *         initial={{ opacity: 0 }}
 *         animate={{ opacity: 1 }}
 *         exit={{ opacity: 0 }}
 *       />
 *     ))}
 *   </AnimatePresence>
 * )
 * ```
 *
 * You can sequence exit animations throughout a tree using variants.
 *
 * If a child contains multiple `motion` components with `exit` props, it will only unmount the child
 * once all `motion` components have finished animating out. Likewise, any components using
 * `usePresence` all need to call `safeToRemove`.
 *
 * @public
 */
var AnimatePresence = function (_a) {
    var children = _a.children, custom = _a.custom, _b = _a.initial, initial = _b === void 0 ? true : _b, onExitComplete = _a.onExitComplete, exitBeforeEnter = _a.exitBeforeEnter;
    // We want to force a re-render once all exiting animations have finished. We
    // either use a local forceUpdate function, or one from a parent context if it exists.
    var localForceUpdate = useForceUpdate();
    var contextForceUpdate = useContext(SyncLayoutContext);
    var forceUpdate = contextForceUpdate || localForceUpdate;
    var isInitialRender = useRef(true);
    // Filter out any children that aren't ReactElements. We can only track ReactElements with a props.key
    var filteredChildren = onlyElements(children);
    // Keep a living record of the children we're actually rendering so we
    // can diff to figure out which are entering and exiting
    var presentChildren = useRef(filteredChildren);
    // A lookup table to quickly reference components by key
    var allChildren = useRef(new Map())
        .current;
    // A living record of all currently exiting components.
    var exiting = useRef(new Set()).current;
    updateChildLookup(filteredChildren, allChildren);
    // If this is the initial component render, just deal with logic surrounding whether
    // we play onMount animations or not.
    if (isInitialRender.current) {
        isInitialRender.current = false;
        return (createElement(Fragment, null, filteredChildren.map(function (child) { return (createElement(PresenceChild, { key: getChildKey(child), isPresent: true, initial: initial ? undefined : false }, child)); })));
    }
    // If this is a subsequent render, deal with entering and exiting children
    var childrenToRender = __spreadArrays(filteredChildren);
    // Diff the keys of the currently-present and target children to update our
    // exiting list.
    var presentKeys = presentChildren.current.map(getChildKey);
    var targetKeys = filteredChildren.map(getChildKey);
    // Diff the present children with our target children and mark those that are exiting
    var numPresent = presentKeys.length;
    for (var i = 0; i < numPresent; i++) {
        var key = presentKeys[i];
        if (targetKeys.indexOf(key) === -1) {
            exiting.add(key);
        }
        else {
            // In case this key has re-entered, remove from the exiting list
            exiting.delete(key);
        }
    }
    // If we currently have exiting children, and we're deferring rendering incoming children
    // until after all current children have exiting, empty the childrenToRender array
    if (exitBeforeEnter && exiting.size) {
        childrenToRender = [];
    }
    // Loop through all currently exiting components and clone them to overwrite `animate`
    // with any `exit` prop they might have defined.
    exiting.forEach(function (key) {
        // If this component is actually entering again, early return
        if (targetKeys.indexOf(key) !== -1)
            return;
        var child = allChildren.get(key);
        if (!child)
            return;
        var insertionIndex = presentKeys.indexOf(key);
        var onExit = function () {
            exiting.delete(key);
            // Remove this child from the present children
            var removeIndex = presentChildren.current.findIndex(function (child) { return child.key === key; });
            presentChildren.current.splice(removeIndex, 1);
            // Defer re-rendering until all exiting children have indeed left
            if (!exiting.size) {
                presentChildren.current = filteredChildren;
                forceUpdate();
                onExitComplete && onExitComplete();
            }
        };
        childrenToRender.splice(insertionIndex, 0, createElement(PresenceChild, { key: getChildKey(child), isPresent: false, onExitComplete: onExit, custom: custom }, child));
    });
    // Add `MotionContext` even to children that don't need it to ensure we're rendering
    // the same tree between renders
    childrenToRender = childrenToRender.map(function (child) {
        var key = child.key;
        return exiting.has(key) ? (child) : (createElement(PresenceChild, { key: getChildKey(child), isPresent: true }, child));
    });
    presentChildren.current = childrenToRender;
    if (process.env.NODE_ENV !== "production" &&
        exitBeforeEnter &&
        childrenToRender.length > 1) {
        console.warn("You're attempting to animate multiple children within AnimatePresence, but its exitBeforeEnter prop is set to true. This will lead to odd visual behaviour.");
    }
    return (createElement(Fragment, null, exiting.size
        ? childrenToRender
        : childrenToRender.map(function (child) { return cloneElement(child); })));
};

// Does this device prefer reduced motion? Returns `null` server-side.
var prefersReducedMotion = motionValue(null);
if (typeof window !== "undefined") {
    if (window.matchMedia) {
        var motionMediaQuery_1 = window.matchMedia("(prefers-reduced-motion)");
        var setReducedMotionPreferences = function () {
            return prefersReducedMotion.set(motionMediaQuery_1.matches);
        };
        motionMediaQuery_1.addListener(setReducedMotionPreferences);
        setReducedMotionPreferences();
    }
    else {
        prefersReducedMotion.set(false);
    }
}
function determineShouldReduceMotion(prefersReduced, isReducedMotion) {
    return typeof isReducedMotion === "boolean"
        ? isReducedMotion
        : Boolean(prefersReduced);
}

/**
 * A hook that returns `true` if we should be using reduced motion based on the current device's Reduced Motion setting.
 *
 * This can be used to implement changes to your UI based on Reduced Motion. For instance, replacing motion-sickness inducing
 * `x`/`y` animations with `opacity`, disabling the autoplay of background videos, or turning off parallax motion.
 *
 * It will actively respond to changes and re-render your components with the latest setting.
 *
 * ```jsx
 * export function Sidebar({ isOpen }) {
 *   const shouldReduceMotion = useReducedMotion()
 *   const closedX = shouldReduceMotion ? 0 : "-100%"
 *
 *   return (
 *     <motion.div animate={{
 *       opacity: isOpen ? 1 : 0,
 *       x: isOpen ? 0 : closedX
 *     }} />
 *   )
 * }
 * ```
 *
 * @return boolean
 *
 * @public
 */
function useReducedMotion() {
    var isReducedMotion = useContext(MotionContext).isReducedMotion;
    var _a = useState(determineShouldReduceMotion(prefersReducedMotion.get(), isReducedMotion)), shouldReduceMotion = _a[0], setShouldReduceMotion = _a[1];
    useEffect(function () {
        return prefersReducedMotion.onChange(function (v) {
            setShouldReduceMotion(determineShouldReduceMotion(v, isReducedMotion));
        });
    }, [setShouldReduceMotion, isReducedMotion]);
    return shouldReduceMotion;
}

/**
 * Define accessibility options for a tree. Can be used to force the tree into Reduced Motion mode,
 * or disable device detection.
 *
 * @internal
 */
function ReducedMotion(_a) {
    var children = _a.children, enabled = _a.enabled;
    var context = useContext(MotionContext);
    context = useMemo(function () { return (__assign(__assign({}, context), { isReducedMotion: enabled })); }, [enabled]);
    return (createElement(MotionContext.Provider, { value: context }, children));
}

export { AnimatePresence, AnimationControls, DragControls, MotionContext, MotionPluginContext, MotionPlugins, MotionValue, Point, ReducedMotion, UnstableSyncLayout, animationControls, createMotionComponent, isValidMotionProp, motion, motionValue, transform, unwrapMotionValue, useAnimatedState, useAnimation, useCycle, useDomEvent, useDragControls, useElementScroll, useExternalRef, useGestures, useInvertedScale, useMotionValue, usePanGesture, usePresence, useReducedMotion, useSpring, useTapGesture, useTransform, useViewportScroll };
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