src/core/utils/cart.js


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const getCart = () => {
  if (typeof window !== 'undefined') {
    const cart = localStorage.getItem('cart')
    if (cart) return JSON.parse(cart)
  }
  return {}
}

const setCart = (cart) => {
  if (typeof window !== 'undefined') {
    localStorage.setItem('cart', JSON.stringify(cart))
  }
  return true
}

const getItemCart = ({ productId }) => {
  let cart = getCart()
  return cart[productId]
}

const updateItemCart = ({ productId, quantity, selected = false }) => {
  let cart = getCart()
  quantity = parseInt(quantity)
  cart[productId] = { productId, quantity, selected }
  setCart(cart)
  return true
}

const deleteItemCart = ({ productId }) => {
  let cart = getCart()
  delete cart[productId]
  setCart(cart)
  return true
}

export {
  getCart,
  getItemCart,
  updateItemCart,
  deleteItemCart
}