@oku-ui/motion
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A tiny, performant animation library for VueJS
1,611 lines (1,548 loc) • 220 kB
JavaScript
import { ref, unref, useId, onMounted, onBeforeUnmount, onUpdated, isRef, computed, defineComponent, openBlock, createBlock, mergeProps, withCtx, renderSlot, toRefs, resolveDynamicComponent, TransitionGroup, Transition, reactive } from 'vue';
import { createContext, getElFromTemplateRef, Primitive } from '@oku-ui/primitives';
export * from 'motion';
const svgElementNames = [
// Basic shapes
"circle",
// Draws a circle.
"ellipse",
// Draws an ellipse, commonly used for ovals.
"line",
// Draws a straight line between two points.
"polygon",
// Creates a closed shape with multiple vertices.
"polyline",
// Creates a series of connected line segments.
"rect",
// Draws a rectangle with optional rounded corners.
"path",
// Defines a custom shape or path, supporting complex curves.
"text",
// Displays text within the SVG.
"tspan",
// Sub-element of <text>, used to style or position portions of text.
"textPath",
// Aligns text along a defined path.
// Grouping and definitions
"g",
// Groups multiple SVG elements together.
"defs",
// Container for reusable definitions (e.g., gradients or symbols).
"symbol",
// Defines a reusable graphic, typically referenced with <use>.
"use",
// References and reuses a defined element or graphic.
"desc",
// Provides a description for accessibility or documentation purposes.
"title",
// Adds a title for accessibility or tooltips.
// Filters and effects
"filter",
// Applies visual effects like blurring or lighting.
"feBlend",
// Blends multiple graphics together.
"feColorMatrix",
// Applies color transformations using a matrix.
"feComponentTransfer",
// Alters individual RGBA channels.
"feComposite",
// Combines images or graphics.
"feConvolveMatrix",
// Applies a custom kernel-based filter.
"feDiffuseLighting",
// Simulates diffuse lighting effects.
"feDisplacementMap",
// Warps an image or graphic using a displacement map.
"feDropShadow",
// Adds drop shadow effects.
"feFlood",
// Fills the canvas or graphic with a solid color.
"feGaussianBlur",
// Blurs the graphic using a Gaussian function.
"feImage",
// Renders an external image in an SVG context.
"feMerge",
// Combines multiple filter results.
"feMorphology",
// Erodes or dilates the edges of a shape.
"feOffset",
// Shifts graphics by a specified distance.
"feSpecularLighting",
// Simulates shiny lighting effects.
"feTile",
// Repeats graphics in a tiled pattern.
"feTurbulence",
// Adds texture or noise for a natural effect.
// Animation
"animate",
// Animates a property over time.
"animateMotion",
// Moves an element along a defined path.
"animateTransform",
// Animates transformation properties like scale or rotate.
"set",
// Sets a property for a specific duration.
// Masks and clipping paths
"mask",
// Creates a mask to hide or reveal portions of graphics.
"clipPath",
// Defines a clipping region to restrict rendering.
// Gradients and painting
"linearGradient",
// Defines a linear gradient for fills or strokes.
"radialGradient",
// Defines a radial gradient for fills or strokes.
"stop",
// Specifies a color stop in a gradient.
"pattern",
// Defines a repeating pattern.
// Additional elements
"foreignObject",
// Embeds non-SVG content (like HTML) within SVG.
"style",
// Embeds CSS styles for SVG elements.
"script"
// Embeds or links JavaScript code within SVG.
];
function isSvgElementName(tag) {
return svgElementNames.includes(tag);
}
var invariant$2 = function () { };
if (process.env.NODE_ENV !== 'production') {
invariant$2 = function (check, message) {
if (!check) {
throw new Error(message);
}
};
}
const visualElementStore = new WeakMap();
function isSVGElement(element) {
return element instanceof SVGElement && element.tagName !== "svg";
}
const isMotionValue = (value) => Boolean(value && value.getVelocity);
const scaleCorrectors = {};
/**
* Generate a list of every possible transform key.
*/
const transformPropOrder$2 = [
"transformPerspective",
"x",
"y",
"z",
"translateX",
"translateY",
"translateZ",
"scale",
"scaleX",
"scaleY",
"rotate",
"rotateX",
"rotateY",
"rotateZ",
"skew",
"skewX",
"skewY",
];
/**
* A quick lookup for transform props.
*/
const transformProps$3 = new Set(transformPropOrder$2);
function isForcedMotionValue(key, { layout, layoutId }) {
return (transformProps$3.has(key) ||
key.startsWith("origin") ||
((layout || layoutId !== undefined) &&
(!!scaleCorrectors[key] || key === "opacity")));
}
function scrapeMotionValuesFromProps$1(props, prevProps, visualElement) {
var _a;
const { style } = props;
const newValues = {};
for (const key in style) {
if (isMotionValue(style[key]) ||
(prevProps.style &&
isMotionValue(prevProps.style[key])) ||
isForcedMotionValue(key, props) ||
((_a = visualElement === null || visualElement === void 0 ? void 0 : visualElement.getValue(key)) === null || _a === void 0 ? void 0 : _a.liveStyle) !== undefined) {
newValues[key] = style[key];
}
}
return newValues;
}
function scrapeMotionValuesFromProps(props, prevProps, visualElement) {
const newValues = scrapeMotionValuesFromProps$1(props, prevProps, visualElement);
for (const key in props) {
if (isMotionValue(props[key]) ||
isMotionValue(prevProps[key])) {
const targetKey = transformPropOrder$2.indexOf(key) !== -1
? "attr" + key.charAt(0).toUpperCase() + key.substring(1)
: key;
newValues[targetKey] = props[key];
}
}
return newValues;
}
const isBrowser = typeof window !== "undefined";
// Does this device prefer reduced motion? Returns `null` server-side.
const prefersReducedMotion = { current: null };
const hasReducedMotionListener = { current: false };
function initPrefersReducedMotion() {
hasReducedMotionListener.current = true;
if (!isBrowser)
return;
if (window.matchMedia) {
const motionMediaQuery = window.matchMedia("(prefers-reduced-motion)");
const setReducedMotionPreferences = () => (prefersReducedMotion.current = motionMediaQuery.matches);
motionMediaQuery.addListener(setReducedMotionPreferences);
setReducedMotionPreferences();
}
else {
prefersReducedMotion.current = false;
}
}
function addUniqueItem$1(arr, item) {
if (arr.indexOf(item) === -1)
arr.push(item);
}
function removeItem$1(arr, item) {
const index = arr.indexOf(item);
if (index > -1)
arr.splice(index, 1);
}
class SubscriptionManager {
constructor() {
this.subscriptions = [];
}
add(handler) {
addUniqueItem$1(this.subscriptions, handler);
return () => removeItem$1(this.subscriptions, handler);
}
notify(a, b, c) {
const numSubscriptions = this.subscriptions.length;
if (!numSubscriptions)
return;
if (numSubscriptions === 1) {
/**
* If there's only a single handler we can just call it without invoking a loop.
*/
this.subscriptions[0](a, b, c);
}
else {
for (let i = 0; i < numSubscriptions; i++) {
/**
* Check whether the handler exists before firing as it's possible
* the subscriptions were modified during this loop running.
*/
const handler = this.subscriptions[i];
handler && handler(a, b, c);
}
}
}
getSize() {
return this.subscriptions.length;
}
clear() {
this.subscriptions.length = 0;
}
}
/*
Convert velocity into velocity per second
@param [number]: Unit per frame
@param [number]: Frame duration in ms
*/
function velocityPerSecond(velocity, frameDuration) {
return frameDuration ? velocity * (1000 / frameDuration) : 0;
}
const warned = new Set();
function warnOnce(condition, message, element) {
if (condition || warned.has(message))
return;
console.warn(message);
warned.add(message);
}
const MotionGlobalConfig = {
skipAnimations: false,
useManualTiming: false,
};
const noop$2 = (any) => any;
function createRenderStep(runNextFrame) {
/**
* We create and reuse two queues, one to queue jobs for the current frame
* and one for the next. We reuse to avoid triggering GC after x frames.
*/
let thisFrame = new Set();
let nextFrame = new Set();
/**
* Track whether we're currently processing jobs in this step. This way
* we can decide whether to schedule new jobs for this frame or next.
*/
let isProcessing = false;
let flushNextFrame = false;
/**
* A set of processes which were marked keepAlive when scheduled.
*/
const toKeepAlive = new WeakSet();
let latestFrameData = {
delta: 0.0,
timestamp: 0.0,
isProcessing: false,
};
function triggerCallback(callback) {
if (toKeepAlive.has(callback)) {
step.schedule(callback);
runNextFrame();
}
callback(latestFrameData);
}
const step = {
/**
* Schedule a process to run on the next frame.
*/
schedule: (callback, keepAlive = false, immediate = false) => {
const addToCurrentFrame = immediate && isProcessing;
const queue = addToCurrentFrame ? thisFrame : nextFrame;
if (keepAlive)
toKeepAlive.add(callback);
if (!queue.has(callback))
queue.add(callback);
return callback;
},
/**
* Cancel the provided callback from running on the next frame.
*/
cancel: (callback) => {
nextFrame.delete(callback);
toKeepAlive.delete(callback);
},
/**
* Execute all schedule callbacks.
*/
process: (frameData) => {
latestFrameData = frameData;
/**
* If we're already processing we've probably been triggered by a flushSync
* inside an existing process. Instead of executing, mark flushNextFrame
* as true and ensure we flush the following frame at the end of this one.
*/
if (isProcessing) {
flushNextFrame = true;
return;
}
isProcessing = true;
[thisFrame, nextFrame] = [nextFrame, thisFrame];
// Clear the next frame queue
nextFrame.clear();
// Execute this frame
thisFrame.forEach(triggerCallback);
isProcessing = false;
if (flushNextFrame) {
flushNextFrame = false;
step.process(frameData);
}
},
};
return step;
}
const stepsOrder = [
"read", // Read
"resolveKeyframes", // Write/Read/Write/Read
"update", // Compute
"preRender", // Compute
"render", // Write
"postRender", // Compute
];
const maxElapsed = 40;
function createRenderBatcher(scheduleNextBatch, allowKeepAlive) {
let runNextFrame = false;
let useDefaultElapsed = true;
const state = {
delta: 0.0,
timestamp: 0.0,
isProcessing: false,
};
const flagRunNextFrame = () => (runNextFrame = true);
const steps = stepsOrder.reduce((acc, key) => {
acc[key] = createRenderStep(flagRunNextFrame);
return acc;
}, {});
const { read, resolveKeyframes, update, preRender, render, postRender } = steps;
const processBatch = () => {
const timestamp = performance.now();
runNextFrame = false;
state.delta = useDefaultElapsed
? 1000 / 60
: Math.max(Math.min(timestamp - state.timestamp, maxElapsed), 1);
state.timestamp = timestamp;
state.isProcessing = true;
// Unrolled render loop for better per-frame performance
read.process(state);
resolveKeyframes.process(state);
update.process(state);
preRender.process(state);
render.process(state);
postRender.process(state);
state.isProcessing = false;
if (runNextFrame && allowKeepAlive) {
useDefaultElapsed = false;
scheduleNextBatch(processBatch);
}
};
const wake = () => {
runNextFrame = true;
useDefaultElapsed = true;
if (!state.isProcessing) {
scheduleNextBatch(processBatch);
}
};
const schedule = stepsOrder.reduce((acc, key) => {
const step = steps[key];
acc[key] = (process, keepAlive = false, immediate = false) => {
if (!runNextFrame)
wake();
return step.schedule(process, keepAlive, immediate);
};
return acc;
}, {});
const cancel = (process) => {
for (let i = 0; i < stepsOrder.length; i++) {
steps[stepsOrder[i]].cancel(process);
}
};
return { schedule, cancel, state, steps };
}
const { schedule: frame, cancel: cancelFrame, state: frameData, steps: frameSteps, } = createRenderBatcher(typeof requestAnimationFrame !== "undefined" ? requestAnimationFrame : noop$2, true);
let now;
function clearTime() {
now = undefined;
}
/**
* An eventloop-synchronous alternative to performance.now().
*
* Ensures that time measurements remain consistent within a synchronous context.
* Usually calling performance.now() twice within the same synchronous context
* will return different values which isn't useful for animations when we're usually
* trying to sync animations to the same frame.
*/
const time = {
now: () => {
if (now === undefined) {
time.set(frameData.isProcessing || MotionGlobalConfig.useManualTiming
? frameData.timestamp
: performance.now());
}
return now;
},
set: (newTime) => {
now = newTime;
queueMicrotask(clearTime);
},
};
/**
* Maximum time between the value of two frames, beyond which we
* assume the velocity has since been 0.
*/
const MAX_VELOCITY_DELTA = 30;
const isFloat = (value) => {
return !isNaN(parseFloat(value));
};
/**
* `MotionValue` is used to track the state and velocity of motion values.
*
* @public
*/
class MotionValue {
/**
* @param init - The initiating value
* @param config - Optional configuration options
*
* - `transformer`: A function to transform incoming values with.
*
* @internal
*/
constructor(init, options = {}) {
/**
* This will be replaced by the build step with the latest version number.
* When MotionValues are provided to motion components, warn if versions are mixed.
*/
this.version = "11.11.17";
/**
* 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 = null;
/**
* An object containing a SubscriptionManager for each active event.
*/
this.events = {};
this.updateAndNotify = (v, render = true) => {
const currentTime = time.now();
/**
* If we're updating the value during another frame or eventloop
* than the previous frame, then the we set the previous frame value
* to current.
*/
if (this.updatedAt !== currentTime) {
this.setPrevFrameValue();
}
this.prev = this.current;
this.setCurrent(v);
// Update update subscribers
if (this.current !== this.prev && this.events.change) {
this.events.change.notify(this.current);
}
// Update render subscribers
if (render && this.events.renderRequest) {
this.events.renderRequest.notify(this.current);
}
};
this.hasAnimated = false;
this.setCurrent(init);
this.owner = options.owner;
}
setCurrent(current) {
this.current = current;
this.updatedAt = time.now();
if (this.canTrackVelocity === null && current !== undefined) {
this.canTrackVelocity = isFloat(this.current);
}
}
setPrevFrameValue(prevFrameValue = this.current) {
this.prevFrameValue = prevFrameValue;
this.prevUpdatedAt = this.updatedAt;
}
/**
* 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..
*
* ```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.on("change", updateOpacity)
* const unsubscribeY = y.on("change", updateOpacity)
*
* return () => {
* unsubscribeX()
* unsubscribeY()
* }
* }, [])
*
* return <motion.div style={{ x }} />
* }
* ```
*
* @param subscriber - A function that receives the latest value.
* @returns A function that, when called, will cancel this subscription.
*
* @deprecated
*/
onChange(subscription) {
if (process.env.NODE_ENV !== "production") {
warnOnce(false, `value.onChange(callback) is deprecated. Switch to value.on("change", callback).`);
}
return this.on("change", subscription);
}
on(eventName, callback) {
if (!this.events[eventName]) {
this.events[eventName] = new SubscriptionManager();
}
const unsubscribe = this.events[eventName].add(callback);
if (eventName === "change") {
return () => {
unsubscribe();
/**
* If we have no more change listeners by the start
* of the next frame, stop active animations.
*/
frame.read(() => {
if (!this.events.change.getSize()) {
this.stop();
}
});
};
}
return unsubscribe;
}
clearListeners() {
for (const eventManagers in this.events) {
this.events[eventManagers].clear();
}
}
/**
* Attaches a passive effect to the `MotionValue`.
*
* @internal
*/
attach(passiveEffect, stopPassiveEffect) {
this.passiveEffect = passiveEffect;
this.stopPassiveEffect = stopPassiveEffect;
}
/**
* 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
*/
set(v, render = true) {
if (!render || !this.passiveEffect) {
this.updateAndNotify(v, render);
}
else {
this.passiveEffect(v, this.updateAndNotify);
}
}
setWithVelocity(prev, current, delta) {
this.set(current);
this.prev = undefined;
this.prevFrameValue = prev;
this.prevUpdatedAt = this.updatedAt - delta;
}
/**
* Set the state of the `MotionValue`, stopping any active animations,
* effects, and resets velocity to `0`.
*/
jump(v, endAnimation = true) {
this.updateAndNotify(v);
this.prev = v;
this.prevUpdatedAt = this.prevFrameValue = undefined;
endAnimation && this.stop();
if (this.stopPassiveEffect)
this.stopPassiveEffect();
}
/**
* Returns the latest state of `MotionValue`
*
* @returns - The latest state of `MotionValue`
*
* @public
*/
get() {
return this.current;
}
/**
* @public
*/
getPrevious() {
return this.prev;
}
/**
* Returns the latest velocity of `MotionValue`
*
* @returns - The latest velocity of `MotionValue`. Returns `0` if the state is non-numerical.
*
* @public
*/
getVelocity() {
const currentTime = time.now();
if (!this.canTrackVelocity ||
this.prevFrameValue === undefined ||
currentTime - this.updatedAt > MAX_VELOCITY_DELTA) {
return 0;
}
const delta = Math.min(this.updatedAt - this.prevUpdatedAt, MAX_VELOCITY_DELTA);
// Casts because of parseFloat's poor typing
return velocityPerSecond(parseFloat(this.current) -
parseFloat(this.prevFrameValue), delta);
}
/**
* 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
*/
start(startAnimation) {
this.stop();
return new Promise((resolve) => {
this.hasAnimated = true;
this.animation = startAnimation(resolve);
if (this.events.animationStart) {
this.events.animationStart.notify();
}
}).then(() => {
if (this.events.animationComplete) {
this.events.animationComplete.notify();
}
this.clearAnimation();
});
}
/**
* Stop the currently active animation.
*
* @public
*/
stop() {
if (this.animation) {
this.animation.stop();
if (this.events.animationCancel) {
this.events.animationCancel.notify();
}
}
this.clearAnimation();
}
/**
* Returns `true` if this value is currently animating.
*
* @public
*/
isAnimating() {
return !!this.animation;
}
clearAnimation() {
delete this.animation;
}
/**
* 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
*/
destroy() {
this.clearListeners();
this.stop();
if (this.stopPassiveEffect) {
this.stopPassiveEffect();
}
}
}
function motionValue(init, options) {
return new MotionValue(init, options);
}
function isAnimationControls(v) {
return (v !== null &&
typeof v === "object" &&
typeof v.start === "function");
}
/**
* Decides if the supplied variable is variant label
*/
function isVariantLabel(v) {
return typeof v === "string" || Array.isArray(v);
}
const variantPriorityOrder = [
"animate",
"whileInView",
"whileFocus",
"whileHover",
"whileTap",
"whileDrag",
"exit",
];
const variantProps = ["initial", ...variantPriorityOrder];
function isControllingVariants(props) {
return (isAnimationControls(props.animate) ||
variantProps.some((name) => isVariantLabel(props[name])));
}
function isVariantNode(props) {
return Boolean(isControllingVariants(props) || props.variants);
}
function updateMotionValuesFromProps(element, next, prev) {
for (const key in next) {
const nextValue = next[key];
const prevValue = prev[key];
if (isMotionValue(nextValue)) {
/**
* If this is a motion value found in props or style, we want to add it
* to our visual element's motion value map.
*/
element.addValue(key, nextValue);
/**
* Check the version of the incoming motion value with this version
* and warn against mismatches.
*/
if (process.env.NODE_ENV === "development") {
warnOnce(nextValue.version === "11.11.17", `Attempting to mix Motion versions ${nextValue.version} with 11.11.17 may not work as expected.`);
}
}
else if (isMotionValue(prevValue)) {
/**
* If we're swapping from a motion value to a static value,
* create a new motion value from that
*/
element.addValue(key, motionValue(nextValue, { owner: element }));
}
else if (prevValue !== nextValue) {
/**
* If this is a flat value that has changed, update the motion value
* or create one if it doesn't exist. We only want to do this if we're
* not handling the value with our animation state.
*/
if (element.hasValue(key)) {
const existingValue = element.getValue(key);
if (existingValue.liveStyle === true) {
existingValue.jump(nextValue);
}
else if (!existingValue.hasAnimated) {
existingValue.set(nextValue);
}
}
else {
const latestValue = element.getStaticValue(key);
element.addValue(key, motionValue(latestValue !== undefined ? latestValue : nextValue, { owner: element }));
}
}
}
// Handle removed values
for (const key in prev) {
if (next[key] === undefined)
element.removeValue(key);
}
return next;
}
function getValueState(visualElement) {
const state = [{}, {}];
visualElement === null || visualElement === void 0 ? void 0 : visualElement.values.forEach((value, key) => {
state[0][key] = value.get();
state[1][key] = value.getVelocity();
});
return state;
}
function resolveVariantFromProps(props, definition, custom, visualElement) {
/**
* If the variant definition is a function, resolve.
*/
if (typeof definition === "function") {
const [current, velocity] = getValueState(visualElement);
definition = definition(custom !== undefined ? custom : props.custom, current, velocity);
}
/**
* If the variant definition is a variant label, or
* the function returned a variant label, resolve.
*/
if (typeof definition === "string") {
definition = props.variants && props.variants[definition];
}
/**
* At this point we've resolved both functions and variant labels,
* but the resolved variant label might itself have been a function.
* If so, resolve. This can only have returned a valid target object.
*/
if (typeof definition === "function") {
const [current, velocity] = getValueState(visualElement);
definition = definition(custom !== undefined ? custom : props.custom, current, velocity);
}
return definition;
}
const featureProps = {
animation: [
"animate",
"variants",
"whileHover",
"whileTap",
"exit",
"whileInView",
"whileFocus",
"whileDrag",
],
exit: ["exit"],
drag: ["drag", "dragControls"],
focus: ["whileFocus"],
hover: ["whileHover", "onHoverStart", "onHoverEnd"],
tap: ["whileTap", "onTap", "onTapStart", "onTapCancel"],
pan: ["onPan", "onPanStart", "onPanSessionStart", "onPanEnd"],
inView: ["whileInView", "onViewportEnter", "onViewportLeave"],
layout: ["layout", "layoutId"],
};
const featureDefinitions = {};
for (const key in featureProps) {
featureDefinitions[key] = {
isEnabled: (props) => featureProps[key].some((name) => !!props[name]),
};
}
const clamp$1 = (min, max, v) => {
if (v > max)
return max;
if (v < min)
return min;
return v;
};
const number$1 = {
test: (v) => typeof v === "number",
parse: parseFloat,
transform: (v) => v,
};
const alpha$1 = {
...number$1,
transform: (v) => clamp$1(0, 1, v),
};
const scale$1 = {
...number$1,
default: 1,
};
const createUnitType$1 = (unit) => ({
test: (v) => typeof v === "string" && v.endsWith(unit) && v.split(" ").length === 1,
parse: parseFloat,
transform: (v) => `${v}${unit}`,
});
const degrees$1 = /*@__PURE__*/ createUnitType$1("deg");
const percent$1 = /*@__PURE__*/ createUnitType$1("%");
const px$1 = /*@__PURE__*/ createUnitType$1("px");
const vh = /*@__PURE__*/ createUnitType$1("vh");
const vw = /*@__PURE__*/ createUnitType$1("vw");
const progressPercentage$1 = {
...percent$1,
parse: (v) => percent$1.parse(v) / 100,
transform: (v) => percent$1.transform(v * 100),
};
const positionalKeys = new Set([
"width",
"height",
"top",
"left",
"right",
"bottom",
"x",
"y",
"translateX",
"translateY",
]);
const isNumOrPxType = (v) => v === number$1 || v === px$1;
const getPosFromMatrix = (matrix, pos) => parseFloat(matrix.split(", ")[pos]);
const getTranslateFromMatrix = (pos2, pos3) => (_bbox, { transform }) => {
if (transform === "none" || !transform)
return 0;
const matrix3d = transform.match(/^matrix3d\((.+)\)$/u);
if (matrix3d) {
return getPosFromMatrix(matrix3d[1], pos3);
}
else {
const matrix = transform.match(/^matrix\((.+)\)$/u);
if (matrix) {
return getPosFromMatrix(matrix[1], pos2);
}
else {
return 0;
}
}
};
const transformKeys = new Set(["x", "y", "z"]);
const nonTranslationalTransformKeys = transformPropOrder$2.filter((key) => !transformKeys.has(key));
function removeNonTranslationalTransform(visualElement) {
const removedTransforms = [];
nonTranslationalTransformKeys.forEach((key) => {
const value = visualElement.getValue(key);
if (value !== undefined) {
removedTransforms.push([key, value.get()]);
value.set(key.startsWith("scale") ? 1 : 0);
}
});
return removedTransforms;
}
const positionalValues = {
// Dimensions
width: ({ x }, { paddingLeft = "0", paddingRight = "0" }) => x.max - x.min - parseFloat(paddingLeft) - parseFloat(paddingRight),
height: ({ y }, { paddingTop = "0", paddingBottom = "0" }) => y.max - y.min - parseFloat(paddingTop) - parseFloat(paddingBottom),
top: (_bbox, { top }) => parseFloat(top),
left: (_bbox, { left }) => parseFloat(left),
bottom: ({ y }, { top }) => parseFloat(top) + (y.max - y.min),
right: ({ x }, { left }) => parseFloat(left) + (x.max - x.min),
// Transform
x: getTranslateFromMatrix(4, 13),
y: getTranslateFromMatrix(5, 14),
};
// Alias translate longform names
positionalValues.translateX = positionalValues.x;
positionalValues.translateY = positionalValues.y;
const toResolve = new Set();
let isScheduled = false;
let anyNeedsMeasurement = false;
function measureAllKeyframes() {
if (anyNeedsMeasurement) {
const resolversToMeasure = Array.from(toResolve).filter((resolver) => resolver.needsMeasurement);
const elementsToMeasure = new Set(resolversToMeasure.map((resolver) => resolver.element));
const transformsToRestore = new Map();
/**
* Write pass
* If we're measuring elements we want to remove bounding box-changing transforms.
*/
elementsToMeasure.forEach((element) => {
const removedTransforms = removeNonTranslationalTransform(element);
if (!removedTransforms.length)
return;
transformsToRestore.set(element, removedTransforms);
element.render();
});
// Read
resolversToMeasure.forEach((resolver) => resolver.measureInitialState());
// Write
elementsToMeasure.forEach((element) => {
element.render();
const restore = transformsToRestore.get(element);
if (restore) {
restore.forEach(([key, value]) => {
var _a;
(_a = element.getValue(key)) === null || _a === void 0 ? void 0 : _a.set(value);
});
}
});
// Read
resolversToMeasure.forEach((resolver) => resolver.measureEndState());
// Write
resolversToMeasure.forEach((resolver) => {
if (resolver.suspendedScrollY !== undefined) {
window.scrollTo(0, resolver.suspendedScrollY);
}
});
}
anyNeedsMeasurement = false;
isScheduled = false;
toResolve.forEach((resolver) => resolver.complete());
toResolve.clear();
}
function readAllKeyframes() {
toResolve.forEach((resolver) => {
resolver.readKeyframes();
if (resolver.needsMeasurement) {
anyNeedsMeasurement = true;
}
});
}
function flushKeyframeResolvers() {
readAllKeyframes();
measureAllKeyframes();
}
class KeyframeResolver {
constructor(unresolvedKeyframes, onComplete, name, motionValue, element, isAsync = false) {
/**
* Track whether this resolver has completed. Once complete, it never
* needs to attempt keyframe resolution again.
*/
this.isComplete = false;
/**
* Track whether this resolver is async. If it is, it'll be added to the
* resolver queue and flushed in the next frame. Resolvers that aren't going
* to trigger read/write thrashing don't need to be async.
*/
this.isAsync = false;
/**
* Track whether this resolver needs to perform a measurement
* to resolve its keyframes.
*/
this.needsMeasurement = false;
/**
* Track whether this resolver is currently scheduled to resolve
* to allow it to be cancelled and resumed externally.
*/
this.isScheduled = false;
this.unresolvedKeyframes = [...unresolvedKeyframes];
this.onComplete = onComplete;
this.name = name;
this.motionValue = motionValue;
this.element = element;
this.isAsync = isAsync;
}
scheduleResolve() {
this.isScheduled = true;
if (this.isAsync) {
toResolve.add(this);
if (!isScheduled) {
isScheduled = true;
frame.read(readAllKeyframes);
frame.resolveKeyframes(measureAllKeyframes);
}
}
else {
this.readKeyframes();
this.complete();
}
}
readKeyframes() {
const { unresolvedKeyframes, name, element, motionValue } = this;
/**
* If a keyframe is null, we hydrate it either by reading it from
* the instance, or propagating from previous keyframes.
*/
for (let i = 0; i < unresolvedKeyframes.length; i++) {
if (unresolvedKeyframes[i] === null) {
/**
* If the first keyframe is null, we need to find its value by sampling the element
*/
if (i === 0) {
const currentValue = motionValue === null || motionValue === void 0 ? void 0 : motionValue.get();
const finalKeyframe = unresolvedKeyframes[unresolvedKeyframes.length - 1];
if (currentValue !== undefined) {
unresolvedKeyframes[0] = currentValue;
}
else if (element && name) {
const valueAsRead = element.readValue(name, finalKeyframe);
if (valueAsRead !== undefined && valueAsRead !== null) {
unresolvedKeyframes[0] = valueAsRead;
}
}
if (unresolvedKeyframes[0] === undefined) {
unresolvedKeyframes[0] = finalKeyframe;
}
if (motionValue && currentValue === undefined) {
motionValue.set(unresolvedKeyframes[0]);
}
}
else {
unresolvedKeyframes[i] = unresolvedKeyframes[i - 1];
}
}
}
}
setFinalKeyframe() { }
measureInitialState() { }
renderEndStyles() { }
measureEndState() { }
complete() {
this.isComplete = true;
this.onComplete(this.unresolvedKeyframes, this.finalKeyframe);
toResolve.delete(this);
}
cancel() {
if (!this.isComplete) {
this.isScheduled = false;
toResolve.delete(this);
}
}
resume() {
if (!this.isComplete)
this.scheduleResolve();
}
}
/**
* Check if value is a numerical string, ie a string that is purely a number eg "100" or "-100.1"
*/
const isNumericalString = (v) => /^-?(?:\d+(?:\.\d+)?|\.\d+)$/u.test(v);
/**
* Check if the value is a zero value string like "0px" or "0%"
*/
const isZeroValueString = (v) => /^0[^.\s]+$/u.test(v);
// If this number is a decimal, make it just five decimal places
// to avoid exponents
const sanitize = (v) => Math.round(v * 100000) / 100000;
const floatRegex = /-?(?:\d+(?:\.\d+)?|\.\d+)/gu;
function isNullish(v) {
return v == null;
}
const singleColorRegex = /^(?:#[\da-f]{3,8}|(?:rgb|hsl)a?\((?:-?[\d.]+%?[,\s]+){2}-?[\d.]+%?\s*(?:[,/]\s*)?(?:\b\d+(?:\.\d+)?|\.\d+)?%?\))$/iu;
/**
* Returns true if the provided string is a color, ie rgba(0,0,0,0) or #000,
* but false if a number or multiple colors
*/
const isColorString = (type, testProp) => (v) => {
return Boolean((typeof v === "string" &&
singleColorRegex.test(v) &&
v.startsWith(type)) ||
(testProp &&
!isNullish(v) &&
Object.prototype.hasOwnProperty.call(v, testProp)));
};
const splitColor = (aName, bName, cName) => (v) => {
if (typeof v !== "string")
return v;
const [a, b, c, alpha] = v.match(floatRegex);
return {
[aName]: parseFloat(a),
[bName]: parseFloat(b),
[cName]: parseFloat(c),
alpha: alpha !== undefined ? parseFloat(alpha) : 1,
};
};
const clampRgbUnit = (v) => clamp$1(0, 255, v);
const rgbUnit = {
...number$1,
transform: (v) => Math.round(clampRgbUnit(v)),
};
const rgba = {
test: /*@__PURE__*/ isColorString("rgb", "red"),
parse: /*@__PURE__*/ splitColor("red", "green", "blue"),
transform: ({ red, green, blue, alpha: alpha$1$1 = 1 }) => "rgba(" +
rgbUnit.transform(red) +
", " +
rgbUnit.transform(green) +
", " +
rgbUnit.transform(blue) +
", " +
sanitize(alpha$1.transform(alpha$1$1)) +
")",
};
function parseHex(v) {
let r = "";
let g = "";
let b = "";
let a = "";
// If we have 6 characters, ie #FF0000
if (v.length > 5) {
r = v.substring(1, 3);
g = v.substring(3, 5);
b = v.substring(5, 7);
a = v.substring(7, 9);
// Or we have 3 characters, ie #F00
}
else {
r = v.substring(1, 2);
g = v.substring(2, 3);
b = v.substring(3, 4);
a = v.substring(4, 5);
r += r;
g += g;
b += b;
a += a;
}
return {
red: parseInt(r, 16),
green: parseInt(g, 16),
blue: parseInt(b, 16),
alpha: a ? parseInt(a, 16) / 255 : 1,
};
}
const hex = {
test: /*@__PURE__*/ isColorString("#"),
parse: parseHex,
transform: rgba.transform,
};
const hsla = {
test: /*@__PURE__*/ isColorString("hsl", "hue"),
parse: /*@__PURE__*/ splitColor("hue", "saturation", "lightness"),
transform: ({ hue, saturation, lightness, alpha: alpha$1$1 = 1 }) => {
return ("hsla(" +
Math.round(hue) +
", " +
percent$1.transform(sanitize(saturation)) +
", " +
percent$1.transform(sanitize(lightness)) +
", " +
sanitize(alpha$1.transform(alpha$1$1)) +
")");
},
};
const color = {
test: (v) => rgba.test(v) || hex.test(v) || hsla.test(v),
parse: (v) => {
if (rgba.test(v)) {
return rgba.parse(v);
}
else if (hsla.test(v)) {
return hsla.parse(v);
}
else {
return hex.parse(v);
}
},
transform: (v) => {
return typeof v === "string"
? v
: v.hasOwnProperty("red")
? rgba.transform(v)
: hsla.transform(v);
},
};
const colorRegex = /(?:#[\da-f]{3,8}|(?:rgb|hsl)a?\((?:-?[\d.]+%?[,\s]+){2}-?[\d.]+%?\s*(?:[,/]\s*)?(?:\b\d+(?:\.\d+)?|\.\d+)?%?\))/giu;
function test(v) {
var _a, _b;
return (isNaN(v) &&
typeof v === "string" &&
(((_a = v.match(floatRegex)) === null || _a === void 0 ? void 0 : _a.length) || 0) +
(((_b = v.match(colorRegex)) === null || _b === void 0 ? void 0 : _b.length) || 0) >
0);
}
const NUMBER_TOKEN = "number";
const COLOR_TOKEN = "color";
const VAR_TOKEN = "var";
const VAR_FUNCTION_TOKEN = "var(";
const SPLIT_TOKEN = "${}";
// this regex consists of the `singleCssVariableRegex|rgbHSLValueRegex|digitRegex`
const complexRegex = /var\s*\(\s*--(?:[\w-]+\s*|[\w-]+\s*,(?:\s*[^)(\s]|\s*\((?:[^)(]|\([^)(]*\))*\))+\s*)\)|#[\da-f]{3,8}|(?:rgb|hsl)a?\((?:-?[\d.]+%?[,\s]+){2}-?[\d.]+%?\s*(?:[,/]\s*)?(?:\b\d+(?:\.\d+)?|\.\d+)?%?\)|-?(?:\d+(?:\.\d+)?|\.\d+)/giu;
function analyseComplexValue(value) {
const originalValue = value.toString();
const values = [];
const indexes = {
color: [],
number: [],
var: [],
};
const types = [];
let i = 0;
const tokenised = originalValue.replace(complexRegex, (parsedValue) => {
if (color.test(parsedValue)) {
indexes.color.push(i);
types.push(COLOR_TOKEN);
values.push(color.parse(parsedValue));
}
else if (parsedValue.startsWith(VAR_FUNCTION_TOKEN)) {
indexes.var.push(i);
types.push(VAR_TOKEN);
values.push(parsedValue);
}
else {
indexes.number.push(i);
types.push(NUMBER_TOKEN);
values.push(parseFloat(parsedValue));
}
++i;
return SPLIT_TOKEN;
});
const split = tokenised.split(SPLIT_TOKEN);
return { values, split, indexes, types };
}
function parseComplexValue(v) {
return analyseComplexValue(v).values;
}
function createTransformer(source) {
const { split, types } = analyseComplexValue(source);
const numSections = split.length;
return (v) => {
let output = "";
for (let i = 0; i < numSections; i++) {
output += split[i];
if (v[i] !== undefined) {
const type = types[i];
if (type === NUMBER_TOKEN) {
output += sanitize(v[i]);
}
else if (type === COLOR_TOKEN) {
output += color.transform(v[i]);
}
else {
output += v[i];
}
}
}
return output;
};
}
const convertNumbersToZero = (v) => typeof v === "number" ? 0 : v;
function getAnimatableNone$1(v) {
const parsed = parseComplexValue(v);
const transformer = createTransformer(v);
return transformer(parsed.map(convertNumbersToZero));
}
const complex = {
test,
parse: parseComplexValue,
createTransformer,
getAnimatableNone: getAnimatableNone$1,
};
/**
* Tests a provided value against a ValueType
*/
const testValueType = (v) => (type) => type.test(v);
/**
* ValueType for "auto"
*/
const auto = {
test: (v) => v === "auto",
parse: (v) => v,
};
/**
* A list of value types commonly used for dimensions
*/
const dimensionValueTypes = [number$1, px$1, percent$1, degrees$1, vw, vh, auto];
/**
* Tests a dimensional value against the list of dimension ValueTypes
*/
const findDimensionValueType = (v) => dimensionValueTypes.find(testValueType(v));
/**
* A list of all ValueTypes
*/
const valueTypes = [...dimensionValueTypes, color, complex];
/**
* Tests a value against the list of ValueTypes
*/
const findValueType = (v) => valueTypes.find(testValueType(v));
/**
* Properties that should default to 1 or 100%
*/
const maxDefaults = new Set(["brightness", "contrast", "saturate", "opacity"]);
function applyDefaultFilter(v) {
const [name, value] = v.slice(0, -1).split("(");
if (name === "drop-shadow")
return v;
const [number] = value.match(floatRegex) || [];
if (!number)
return v;
const unit = value.replace(number, "");
let defaultValue = maxDefaults.has(name) ? 1 : 0;
if (number !== value)
defaultValue *= 100;
return name + "(" + defaultValue + unit + ")";
}
const functionRegex = /\b([a-z-]*)\(.*?\)/gu;
const filter = {
...complex,
getAnimatableNone: (v) => {
const functions = v.match(functionRegex);
return functions ? functions.map(applyDefaultFilter).join(" ") : v;
},
};
const browserNumberValueTypes$1 = {
// Border props
borderWidth: px$1,
borderTopWidth: px$1,
borderRightWidth: px$1,
borderBottomWidth: px$1,
borderLeftWidth: px$1,
borderRadius: px$1,
radius: px$1,
borderTopLeftRadius: px$1,
borderTopRightRadius: px$1,
borderBottomRightRadius: px$1,
borderBottomLeftRadius: px$1,
// Positioning props
width: px$1,
maxWidth: px$1,
height: px$1,
maxHeight: px$1,
top: px$1,
right: px$1,
bottom: px$1,
left: px$1,
// Spacing props
padding: px$1,
paddingTop: px$1,
paddingRight: px$1,
paddingBottom: px$1,
paddingLeft: px$1,
margin: px$1,
marginTop: px$1,
marginRight: px$1,
marginBottom: px$1,
marginLeft: px$1,
// Misc
backgroundPositionX: px$1,
backgroundPositionY: px$1,
};
const transformValueTypes$1 = {
rotate: degrees$1,
rotateX: degrees$1,
rotateY: degrees$1,
rotateZ: degrees$1,
scale: scale$1,
scaleX: scale$1,
scaleY: scale$1,
scaleZ: scale$1,
skew: degrees$1,
skewX: degrees$1,
skewY: degrees$1,
distance: px$1,
translateX: px$1,
translateY: px$1,
translateZ: px$1,
x: px$1,
y: px$1,
z: px$1,
perspective: px$1,
transformPerspective: px$1,
opacity: alpha$1,
originX: progressPercentage$1,
originY: progressPercentage$1,
originZ: px$1,
};
const int$1 = {
...number$1,
transform: Math.round,
};
const numberValueTypes$1 = {
...browserNumberValueTypes$1,
...transformValueTypes$1,
zIndex: int$1,
size: px$1,
// SVG
fillOpacity: alpha$1,
strokeOpacity: alpha$1,
numOctaves: int$1,
};
/**
* A map of default value types for common values
*/
const defaultValueTypes = {
...numberValueTypes$1,
// Color props
color,
backgroundColor: color,
outlineColor: color,
fill: color,
stroke: color,
// Border props
borderColor: color,
borderTopColor: color,
borderRightColor: color,
borderBottomColor: color,
borderLeftColor: color,
filter,
WebkitFilter: filter,
};
/**
* Gets the default ValueType for the provided value key
*/
const getDefaultValueType = (key) => defaultValueTypes[key];
function getAnimatableNone(key, value) {
let defaultValueType = getDefaultValueType(key);
if (defaultValueType !== filter)
defaultValueType = complex;
// If value is not recognised as animatable, ie "none", create an animatable version origin based on the target
return defaultValueType.getAnimatableNone
? defaultValueType.getAnimatableNone(value)
: undefined;
}
const createAxis = () => ({ min: 0, max: 0 });
const createBox = () => ({
x: createAxis(),
y: createAxis(),
});
const propEventHandlers = [
"AnimationStart",
"AnimationComplete",
"Update",
"BeforeLayoutMeasure",
"LayoutMeasure",
"LayoutAnimationStart",
"LayoutAnimationComplete",
];
/**
* A VisualElement is an imperative abstraction around UI elements such as
* HTMLElement, SVGElement, Three.Object3D etc.
*/
class VisualElement {
/**
* This method takes React props and returns found MotionValues. For example, HTML
* MotionValues will be found within the style prop, whereas for Three.js within attribute arrays.
*
* This isn't an abstract method as it needs calling in the constructor, but it is
* intended to be one.
*/
scrapeMotionValuesFromProps(_props, _prevProps, _visualElement) {
return {};
}
constructor({ parent, props, presenceContext, reducedMotionConfig, blockInitialAnimation, visualState, }, options = {}) {
/**
* A reference to the current underlying Instance, e.g. a HTMLElement
* or Three.Mesh etc.
*/
this.current = null;