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export const addItem = (item = [], count = 0, next = f => f) => {
let cart = [];
if (typeof window !== 'undefined') {
if (localStorage.getItem('cart')) {
cart = JSON.parse(localStorage.getItem('cart'));
}
cart.push({
...item,
count: 1
});
// remove duplicates
// build an Array from new Set and turn it back into array using Array.from
// so that later we can re-map it
// new set will only allow unique values in it
// so pass the ids of each object/product
// If the loop tries to add the same value again, it'll get ignored
// ...with the array of ids we got on when first map() was used
// run map() on it again and return the actual product from the cart
cart = Array.from(new Set(cart.map(p => p._id))).map(id => {
return cart.find(p => p._id === id);
});
localStorage.setItem('cart', JSON.stringify(cart));
next();
}
};
export const itemTotal = () => {
if (typeof window !== 'undefined') {
if (localStorage.getItem('cart')) {
return JSON.parse(localStorage.getItem('cart')).length;
}
}
return 0;
};
export const getCart = () => {
if (typeof window !== 'undefined') {
if (localStorage.getItem('cart')) {
return JSON.parse(localStorage.getItem('cart'));
}
}
return [];
};
export const updateItem = (productId, count) => {
let cart = [];
if (typeof window !== 'undefined') {
if (localStorage.getItem('cart')) {
cart = JSON.parse(localStorage.getItem('cart'));
}
cart.map((product, i) => {
if (product._id === productId) {
cart[i].count = count;
}
return console.log("counting done");
});
localStorage.setItem('cart', JSON.stringify(cart));
}
};
export const removeItem = productId => {
let cart = [];
if (typeof window !== 'undefined') {
if (localStorage.getItem('cart')) {
cart = JSON.parse(localStorage.getItem('cart'));
}
cart.map((product, i) => {
if (product._id === productId) {
cart.splice(i, 1);
}
return console.log("cart splice done");
});
localStorage.setItem('cart', JSON.stringify(cart));
}
return cart;
};
export const emptyCart = next => {
if (typeof window !== 'undefined') {
localStorage.removeItem('cart');
next();
}
};
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