planning

node_modules/react-dnd/dist/esm/hooks/useDrop/useAccept.js

@@ -0,0 +1,15 @@
+import { invariant } from '@react-dnd/invariant';
+import { useMemo } from 'react';
+/**
+ * Internal utility hook to get an array-version of spec.accept.
+ * The main utility here is that we aren't creating a new array on every render if a non-array spec.accept is passed in.
+ * @param spec
+ */
+
+export function useAccept(spec) {
+  var accept = spec.accept;
+  return useMemo(function () {
+    invariant(spec.accept != null, 'accept must be defined');
+    return Array.isArray(accept) ? accept : [accept];
+  }, [accept]);
+}