add hw2

node_modules/jotai/esm/react/utils.mjs

@@ -0,0 +1,57 @@
+'use client';
+import { useCallback, useMemo } from 'react';
+import { useSetAtom, useAtom, useStore } from 'jotai/react';
+import { RESET } from 'jotai/vanilla/utils';
+import { atom } from 'jotai/vanilla';
+
+function useResetAtom(anAtom, options) {
+  const setAtom = useSetAtom(anAtom, options);
+  const resetAtom = useCallback(() => setAtom(RESET), [setAtom]);
+  return resetAtom;
+}
+
+function useReducerAtom(anAtom, reducer, options) {
+  if ((import.meta.env ? import.meta.env.MODE : void 0) !== "production") {
+    console.warn(
+      "[DEPRECATED] useReducerAtom is deprecated and will be removed in the future. Please create your own version using the recipe. https://github.com/pmndrs/jotai/pull/2467"
+    );
+  }
+  const [state, setState] = useAtom(anAtom, options);
+  const dispatch = useCallback(
+    (action) => {
+      setState((prev) => reducer(prev, action));
+    },
+    [setState, reducer]
+  );
+  return [state, dispatch];
+}
+
+function useAtomCallback(callback, options) {
+  const anAtom = useMemo(
+    () => atom(null, (get, set, ...args) => callback(get, set, ...args)),
+    [callback]
+  );
+  return useSetAtom(anAtom, options);
+}
+
+const hydratedMap = /* @__PURE__ */ new WeakMap();
+function useHydrateAtoms(values, options) {
+  const store = useStore(options);
+  const hydratedSet = getHydratedSet(store);
+  for (const [atom, ...args] of values) {
+    if (!hydratedSet.has(atom) || (options == null ? void 0 : options.dangerouslyForceHydrate)) {
+      hydratedSet.add(atom);
+      store.set(atom, ...args);
+    }
+  }
+}
+const getHydratedSet = (store) => {
+  let hydratedSet = hydratedMap.get(store);
+  if (!hydratedSet) {
+    hydratedSet = /* @__PURE__ */ new WeakSet();
+    hydratedMap.set(store, hydratedSet);
+  }
+  return hydratedSet;
+};
+
+export { useAtomCallback, useHydrateAtoms, useReducerAtom, useResetAtom };