main repo

node_modules/framer-motion/dist/es/animation/utils/default-transitions.mjs

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+import { transformProps } from 'motion-dom';
+
+const underDampedSpring = {
+    type: "spring",
+    stiffness: 500,
+    damping: 25,
+    restSpeed: 10,
+};
+const criticallyDampedSpring = (target) => ({
+    type: "spring",
+    stiffness: 550,
+    damping: target === 0 ? 2 * Math.sqrt(550) : 30,
+    restSpeed: 10,
+});
+const keyframesTransition = {
+    type: "keyframes",
+    duration: 0.8,
+};
+/**
+ * Default easing curve is a slightly shallower version of
+ * the default browser easing curve.
+ */
+const ease = {
+    type: "keyframes",
+    ease: [0.25, 0.1, 0.35, 1],
+    duration: 0.3,
+};
+const getDefaultTransition = (valueKey, { keyframes }) => {
+    if (keyframes.length > 2) {
+        return keyframesTransition;
+    }
+    else if (transformProps.has(valueKey)) {
+        return valueKey.startsWith("scale")
+            ? criticallyDampedSpring(keyframes[1])
+            : underDampedSpring;
+    }
+    return ease;
+};
+
+export { getDefaultTransition };