Local cart

• v0.0.1, unstable, Simple api to store data for shopping carts, wishlists in browser localstorage

Features

• Local storage with basil.js
• Cart object is mixed with node native event emmiter

Install

npm install stampit

Instantiate

require('local-cart'); //add cart factory to window object
const myCart = window.cartFactory({
  name: 'myAwesomeShopCart'
})

options

• name name is used to store data in local storage, to restore cart with previuosly saved data

Methods

addItem(opts)

params

• id - item identificator in cart
• count - number of items in cart, if not specified is 1
• unit_price - price of 1 item in cart
• data - this is place to store your product model data, api doesn't use it,

var myProductModel = {
    id: 1,
    price:1000,
    title: 'Interesting Book',
    author: 'Jogn Doe'
}

var newCartItemOptions = {
    id: myProductModel.id,
    unit_price: myProductModel.price,
    data: myProductModel
}

myCart.addItem(newCartItemOptions);

Adding product with id that already exists in cart only updates count of an item

myCart.addItem(newCartItemOptions);
console.log(myCart.items); // [Object]
console.log(myCart.getTotalCount); // 1

// add same item again
myCart.addItem(newCartItemOptions);
console.log(myCart.items); // [Object]
console.log(myCart.getTotalCount); // 2

// let's change count property
newCartItemOptions.count = 8;
myCart.addItem(newCartItemOptions);
console.log(myCart.items); // [Object]
console.log(myCart.getTotalCount); // 10

getItem(id)

Returns item with given id

updateItemCount(id, count)

Update count of existing item in cart

deleteItem(id)

Delete item from cart

getTotalPrice()

Total price of all items.

getTotalCount()

Total count of all items.

Events

Cart object is also an event emmiter. By now it emits only one event. See node event emmiter api

• change - fires when anything in cart is changed, after addItem, deleteItem, updateItemCount methods

myCart.on('change', functon () {
    console.log('items changed');
});