add hw2

node_modules/@react-aria/utils/dist/useLoadMore.module.js

@@ -0,0 +1,68 @@
+import {useEvent as $e9faafb641e167db$export$90fc3a17d93f704c} from "./useEvent.module.js";
+import {useLayoutEffect as $f0a04ccd8dbdd83b$export$e5c5a5f917a5871c} from "./useLayoutEffect.module.js";
+import {useRef as $hDRkU$useRef, useCallback as $hDRkU$useCallback} from "react";
+
+/*
+ * Copyright 2024 Adobe. All rights reserved.
+ * This file is licensed to you under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License. You may obtain a copy
+ * of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under
+ * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
+ * OF ANY KIND, either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */ 
+
+
+function $26f7f3da73fcd9d6$export$7717c92ee915373e(props, ref) {
+    let { isLoading: isLoading, onLoadMore: onLoadMore, scrollOffset: scrollOffset = 1, items: items } = props;
+    // Handle scrolling, and call onLoadMore when nearing the bottom.
+    let isLoadingRef = (0, $hDRkU$useRef)(isLoading);
+    let prevProps = (0, $hDRkU$useRef)(props);
+    let onScroll = (0, $hDRkU$useCallback)(()=>{
+        if (ref.current && !isLoadingRef.current && onLoadMore) {
+            let shouldLoadMore = ref.current.scrollHeight - ref.current.scrollTop - ref.current.clientHeight < ref.current.clientHeight * scrollOffset;
+            if (shouldLoadMore) {
+                isLoadingRef.current = true;
+                onLoadMore();
+            }
+        }
+    }, [
+        onLoadMore,
+        ref,
+        scrollOffset
+    ]);
+    let lastItems = (0, $hDRkU$useRef)(items);
+    (0, $f0a04ccd8dbdd83b$export$e5c5a5f917a5871c)(()=>{
+        // Only update isLoadingRef if props object actually changed,
+        // not if a local state change occurred.
+        if (props !== prevProps.current) {
+            isLoadingRef.current = isLoading;
+            prevProps.current = props;
+        }
+        // TODO: Eventually this hook will move back into RAC during which we will accept the collection as a option to this hook.
+        // We will only load more if the collection has changed after the last load to prevent multiple onLoadMore from being called
+        // while the data from the last onLoadMore is being processed by RAC collection.
+        let shouldLoadMore = (ref === null || ref === void 0 ? void 0 : ref.current) && !isLoadingRef.current && onLoadMore && (!items || items !== lastItems.current) && ref.current.clientHeight === ref.current.scrollHeight;
+        if (shouldLoadMore) {
+            isLoadingRef.current = true;
+            onLoadMore === null || onLoadMore === void 0 ? void 0 : onLoadMore();
+        }
+        lastItems.current = items;
+    }, [
+        isLoading,
+        onLoadMore,
+        props,
+        ref,
+        items
+    ]);
+    // TODO: maybe this should still just return scroll props?
+    // Test against case where the ref isn't defined when this is called
+    // Think this was a problem when trying to attach to the scrollable body of the table in OnLoadMoreTableBodyScroll
+    (0, $e9faafb641e167db$export$90fc3a17d93f704c)(ref, 'scroll', onScroll);
+}
+
+
+export {$26f7f3da73fcd9d6$export$7717c92ee915373e as useLoadMore};
+//# sourceMappingURL=useLoadMore.module.js.map