supermarket-oop

Write all your .ts files inside src directory.

How to run

1. clone or download this repo
2. in cmd run the command npm install
3. execute tests with the command npm run test

Tests

run test with npm run test command

Classes:

• CashRegister (cashId, products: Product[], worker: StaffMember)
  • private static cashIdCounter: number = 1;
• Consumer (isClubMember)
• Person (firstName)
• Product (price, name, brand, barcode)
• StaffMember (role)

Class Logic

CashRegister

Every cash machine has unique id (cashId property), and the machine unique id assiged when you contruct the CashRegister object. assign the cashIdCounter static property to cashId and increment cashIdCounter by 1.

you can use map and reduce inside the function endPurchase to calculate the total.

Inheritance:

StaffMember and Consumer inherit Person

cashId: number; products?: Product[]; ;