Move device files into new folder

src/modules/device/contexts/DeviceContext.tsx

@@ -0,0 +1,31 @@
+/*
+ * 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 React, { ReactNode, useMemo } from 'react';
+import { DEFAULT_DEVICE, setActiveDevice } from '@/modules/device/services/Device.ts';
+import { useLocalStorage } from '@/modules/core/hooks/useStorage.tsx';
+
+export const DeviceContext = React.createContext<{
+    activeDevice: string;
+    setActiveDevice: (device: string) => void;
+}>({
+    activeDevice: DEFAULT_DEVICE,
+    setActiveDevice: () => {},
+});
+
+export const ActiveDeviceContextProvider = ({ children }: { children?: ReactNode }) => {
+    const [activeDevice, setActiveDeviceContext] = useLocalStorage('activeDevice', DEFAULT_DEVICE);
+    const activeDeviceContext = useMemo(
+        () => ({ activeDevice, setActiveDevice: setActiveDeviceContext }),
+        [activeDevice],
+    );
+
+    setActiveDevice(activeDevice);
+
+    return <DeviceContext.Provider value={activeDeviceContext}>{children}</DeviceContext.Provider>;
+};