ericelliott

// Pure addToCart() returns a new cart
// It does not mutate the original.
const addToCart = (cart, item, quantity) => {
  const newCart = lodash.cloneDeep(cart);

  newCart.items.push({
    item,
    quantity
  });
  return newCart;

acgritt

// JS array equivalents to C# LINQ methods - by Dan B.

// Here's a simple array of "person" objects
var people = [ 
	{ name: "John", age: 20 }, 
	{ name: "Mary", age: 35 }, 
	{ name: "Arthur", age: 78 }, 
	{ name: "Mike", age: 27 }, 
	{ name: "Judy", age: 42 }, 
	{ name: "Tim", age: 8 }