persistence

import CoreData

class CoreDataStack {
    static let shared = CoreDataStack()

    lazy var persistentContainer: NSPersistentContainer = {

import Foundation

enum UserDefaultsKey: String {
    case username
    case isFirstLaunch
    case lastSyncDate

export const initialCart = { items: {} };

export function cartReducer(state, action) {
  switch (action.type) {
    case 'ADD_ITEM': {
      const { product, qty = 1 } = action;

package com.example.myapp.data.local

import android.content.Context
import androidx.room.*
import androidx.sqlite.db.SupportSQLiteDatabase
import kotlinx.coroutines.CoroutineScope

import { useState, useEffect, useCallback } from 'react';

export function useLocalStorage(key, initialValue) {
  const readValue = useCallback(() => {
    if (typeof window === 'undefined') return initialValue;
    try {

import jakarta.persistence.*;
import java.math.BigDecimal;
import java.util.Objects;

@Entity
@Table(name = "accounts")