Rename folder "modules" to "features"

src/features/core/hooks/useBackButton.ts

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+import { useLocation, useNavigate } from 'react-router-dom';
+import { useCallback } from 'react';
+import { AppRoutes } from '@/features/core/AppRoute.constants.ts';
+import { useAppPageHistoryContext } from '@/features/core/contexts/AppPageHistoryContext.tsx';
+
+const PAGES_TO_IGNORE: readonly RegExp[] = [/\/manga\/[0-9]+\/chapter\/[0-9]+/g];
+
+export const useBackButton = () => {
+    const navigate = useNavigate();
+    const location = useLocation();
+    const history = useAppPageHistoryContext();
+
+    return useCallback(() => {
+        const isHistoryEmpty = !history.length;
+        const isLastPageInHistoryCurrentPage = history.length === 1 && history[0] === location.pathname;
+        const ignorePreviousPage = history.length && PAGES_TO_IGNORE.some((page) => !!history.slice(-2)[0].match(page));
+
+        const canNavigateBack = !ignorePreviousPage && !isHistoryEmpty && !isLastPageInHistoryCurrentPage;
+        if (canNavigateBack) {
+            navigate(-1);
+            return;
+        }
+
+        navigate(AppRoutes.library.path());
+    }, [history, location.pathname]);
+};