planning

node_modules/react-dnd/lib/core/DragPreviewImage.js

@@ -0,0 +1,23 @@
+import { useEffect, memo } from 'react';
+/**
+ * A utility for rendering a drag preview image
+ */
+export const DragPreviewImage = memo(function DragPreviewImage({ connect, src }) {
+    useEffect(() => {
+        if (typeof Image === 'undefined')
+            return;
+        let connected = false;
+        const img = new Image();
+        img.src = src;
+        img.onload = () => {
+            connect(img);
+            connected = true;
+        };
+        return () => {
+            if (connected) {
+                connect(null);
+            }
+        };
+    });
+    return null;
+});