main repo

node_modules/framer-motion/dist/es/components/Reorder/utils/check-reorder.mjs

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+import { mixNumber } from 'motion-dom';
+import { moveItem } from 'motion-utils';
+
+function checkReorder(order, value, offset, velocity) {
+    if (!velocity)
+        return order;
+    const index = order.findIndex((item) => item.value === value);
+    if (index === -1)
+        return order;
+    const nextOffset = velocity > 0 ? 1 : -1;
+    const nextItem = order[index + nextOffset];
+    if (!nextItem)
+        return order;
+    const item = order[index];
+    const nextLayout = nextItem.layout;
+    const nextItemCenter = mixNumber(nextLayout.min, nextLayout.max, 0.5);
+    if ((nextOffset === 1 && item.layout.max + offset > nextItemCenter) ||
+        (nextOffset === -1 && item.layout.min + offset < nextItemCenter)) {
+        return moveItem(order, index, index + nextOffset);
+    }
+    return order;
+}
+
+export { checkReorder };