mt-task

0.1 initial commit setting up tsc and npm

0.2 classes, add item, return cart

0.3 adding a discount price and quantity counter to the Product

• The idea here is that when we add our item to our cart, we can compare the count of this product in our cart with the number required for a discount.

0.4 adding Map for key lookups

• Since dealing with many additions of the same key, better to use a map to get count of all products with same key

0.5 can remove items based on key

0.6 simple campaign offer based on current cart total

0.7 basic test cases