chandnasujatha_shoppingexample/shoppingCart.js

Demo for NodeJS

module.exports=(function()
{
    var cart = []; // private data of module..

    function insert(item){
        cart.push(item);
    }

    function get(){
        return cart;
    }

    function findItem(id){
        var item=cart.find(i=>i.id==id);
        return item;
    }

    function deleteItem(id){
        //var item = this.findItem(id); 
        for(var i=0;i<cart.length;i++) {
            if(cart[i].id==id){
                cart.splice(i,1);
            }
        }
    }    
        

    
    //these functions are private to all module...
    return{
        addToCart:insert,
        getAllItem:get,
        findItem:findItem,
        deleteItem:deleteItem
    }
}
)()