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node_modules/framer-motion/dist/es/animation/interfaces/motion-value.mjs

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+import { getValueTransition, makeAnimationInstant, frame, JSAnimation, AsyncMotionValueAnimation } from 'motion-dom';
+import { secondsToMilliseconds, MotionGlobalConfig } from 'motion-utils';
+import { getFinalKeyframe } from '../animators/waapi/utils/get-final-keyframe.mjs';
+import { getDefaultTransition } from '../utils/default-transitions.mjs';
+import { isTransitionDefined } from '../utils/is-transition-defined.mjs';
+
+const animateMotionValue = (name, value, target, transition = {}, element, isHandoff) => (onComplete) => {
+    const valueTransition = getValueTransition(transition, name) || {};
+    /**
+     * Most transition values are currently completely overwritten by value-specific
+     * transitions. In the future it'd be nicer to blend these transitions. But for now
+     * delay actually does inherit from the root transition if not value-specific.
+     */
+    const delay = valueTransition.delay || transition.delay || 0;
+    /**
+     * Elapsed isn't a public transition option but can be passed through from
+     * optimized appear effects in milliseconds.
+     */
+    let { elapsed = 0 } = transition;
+    elapsed = elapsed - secondsToMilliseconds(delay);
+    const options = {
+        keyframes: Array.isArray(target) ? target : [null, target],
+        ease: "easeOut",
+        velocity: value.getVelocity(),
+        ...valueTransition,
+        delay: -elapsed,
+        onUpdate: (v) => {
+            value.set(v);
+            valueTransition.onUpdate && valueTransition.onUpdate(v);
+        },
+        onComplete: () => {
+            onComplete();
+            valueTransition.onComplete && valueTransition.onComplete();
+        },
+        name,
+        motionValue: value,
+        element: isHandoff ? undefined : element,
+    };
+    /**
+     * If there's no transition defined for this value, we can generate
+     * unique transition settings for this value.
+     */
+    if (!isTransitionDefined(valueTransition)) {
+        Object.assign(options, getDefaultTransition(name, options));
+    }
+    /**
+     * Both WAAPI and our internal animation functions use durations
+     * as defined by milliseconds, while our external API defines them
+     * as seconds.
+     */
+    options.duration && (options.duration = secondsToMilliseconds(options.duration));
+    options.repeatDelay && (options.repeatDelay = secondsToMilliseconds(options.repeatDelay));
+    /**
+     * Support deprecated way to set initial value. Prefer keyframe syntax.
+     */
+    if (options.from !== undefined) {
+        options.keyframes[0] = options.from;
+    }
+    let shouldSkip = false;
+    if (options.type === false ||
+        (options.duration === 0 && !options.repeatDelay)) {
+        makeAnimationInstant(options);
+        if (options.delay === 0) {
+            shouldSkip = true;
+        }
+    }
+    if (MotionGlobalConfig.instantAnimations ||
+        MotionGlobalConfig.skipAnimations) {
+        shouldSkip = true;
+        makeAnimationInstant(options);
+        options.delay = 0;
+    }
+    /**
+     * If the transition type or easing has been explicitly set by the user
+     * then we don't want to allow flattening the animation.
+     */
+    options.allowFlatten = !valueTransition.type && !valueTransition.ease;
+    /**
+     * If we can or must skip creating the animation, and apply only
+     * the final keyframe, do so. We also check once keyframes are resolved but
+     * this early check prevents the need to create an animation at all.
+     */
+    if (shouldSkip && !isHandoff && value.get() !== undefined) {
+        const finalKeyframe = getFinalKeyframe(options.keyframes, valueTransition);
+        if (finalKeyframe !== undefined) {
+            frame.update(() => {
+                options.onUpdate(finalKeyframe);
+                options.onComplete();
+            });
+            return;
+        }
+    }
+    return valueTransition.isSync
+        ? new JSAnimation(options)
+        : new AsyncMotionValueAnimation(options);
+};
+
+export { animateMotionValue };