Comments (1)
After tinkering a bit with it and trying to wrap my head around how hooks actually work, I think I understand it now (but would love to get confirmation):
Essentially, since the feeding of initial items needs to be available before declaring the CartProvider
, there would have to be, lets say, a loadCartFromStorage method that returns the unserialized items. The loadCartFromStorage would be a parent of the provider, whereas a subscribing Function Component, saveCartToStorage would have to be a child of CartProvider, so that it can subscribe to useCart()
changes and serialize into storage.
Conceptually something like this:
const loadCartFromStorage = () => {
return JSON.parse(localStorage.get('cart'))
}
function saveCartToStorage() {
const { items } = useCart()
useEffect(() => {
localStorage.set('cart', JSON.stringify(items))
}, [items])
return (
<></>
)
}
function App () {
return (
<CartProvider initialCart={loadCartFromStorage()}>
<saveCartToStorage />
<div> ...the rest of my app here or some such </div>
</CartProvider>
)
}
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