move webUI out of Tachidesk

src/util/useLocalStorage.tsx

@@ -0,0 +1,24 @@
+/*
+ * 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, { useState, Dispatch, SetStateAction } from 'react';
+import storage from './localStorage';
+
+// eslint-disable-next-line max-len
+export default function useLocalStorage<T>(key: string, defaultValue: T | (() => T)) : [T, Dispatch<SetStateAction<T>>] {
+    const initialState = defaultValue instanceof Function ? defaultValue() : defaultValue;
+    const [storedValue, setStoredValue] = useState<T>(storage.getItem(key, initialState));
+
+    const setValue = ((value: T | ((prevState: T) => T)) => {
+        // Allow value to be a function so we have same API as useState
+        const valueToStore = value instanceof Function ? value(storedValue) : value;
+        setStoredValue(valueToStore);
+        storage.setItem(key, valueToStore);
+    }) as React.Dispatch<React.SetStateAction<T>>;
+
+    return [storedValue, setValue];
+}