How to use

cart

function

in

Array

export function getTotal(state = []) {
 // TO DO return the total of product in the cart

 let total = 0;

 if (state.cart.addedIds && state.cart.addedIds.length > 0) {
  state.cart.addedIds.map((id, index) => {
    total = total + state.products.byId[id].price * state.cart.quantityById[id];
   return total;
  });
 }  

 return total.toString();
}

// Reducers for corresponding Actions
export function getCartProducts(state = []) {
 // TO DO return products of the car
 let products = [];

 if (state.cart.addedIds && state.cart.addedIds.length > 0) {
  state.cart.addedIds.map((id, index) => {
   products.push({
    ...state.products.byId[id],
    quantity: state.cart.quantityById[id]
   });
   return products;
  });
 }

 return products;
}