add hw2

node_modules/@react-aria/utils/dist/useDescription.main.js

@@ -0,0 +1,59 @@
+var $78605a5d7424e31b$exports = require("./useLayoutEffect.main.js");
+var $7PjpK$react = require("react");
+
+
+function $parcel$export(e, n, v, s) {
+  Object.defineProperty(e, n, {get: v, set: s, enumerable: true, configurable: true});
+}
+
+$parcel$export(module.exports, "useDescription", () => $34da4502ea8120db$export$f8aeda7b10753fa1);
+/*
+ * Copyright 2020 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.
+ */ 
+
+let $34da4502ea8120db$var$descriptionId = 0;
+const $34da4502ea8120db$var$descriptionNodes = new Map();
+function $34da4502ea8120db$export$f8aeda7b10753fa1(description) {
+    let [id, setId] = (0, $7PjpK$react.useState)();
+    (0, $78605a5d7424e31b$exports.useLayoutEffect)(()=>{
+        if (!description) return;
+        let desc = $34da4502ea8120db$var$descriptionNodes.get(description);
+        if (!desc) {
+            let id = `react-aria-description-${$34da4502ea8120db$var$descriptionId++}`;
+            setId(id);
+            let node = document.createElement('div');
+            node.id = id;
+            node.style.display = 'none';
+            node.textContent = description;
+            document.body.appendChild(node);
+            desc = {
+                refCount: 0,
+                element: node
+            };
+            $34da4502ea8120db$var$descriptionNodes.set(description, desc);
+        } else setId(desc.element.id);
+        desc.refCount++;
+        return ()=>{
+            if (desc && --desc.refCount === 0) {
+                desc.element.remove();
+                $34da4502ea8120db$var$descriptionNodes.delete(description);
+            }
+        };
+    }, [
+        description
+    ]);
+    return {
+        'aria-describedby': description ? id : undefined
+    };
+}
+
+
+//# sourceMappingURL=useDescription.main.js.map