"Checkout" and "scanning" function that calculates the total sum to be paid for the checked out products

💻 Run the app

Clone the repo
Run yarn or npm i to install the required dependencies
Run yarn start or npm start to execute the function and view the result in the console
Scan any amount of products to get the total cost of them

📌 Details

Function that calculates the total sum of the products in the database (mock data in our case)
Is present a 2-for-1 promotion for the Voucher product (buy 2, get 1 free)
Is present a bulk offer for the T-shirt product (buy 3 or more, the price of that product is reduced by one)
The function uses TypeScript to ensure a smooth workflow regarding the data that is being received and computed against

🧪 Testing

The app contains unit testing with Jest library
To run the test, run yarn test or npm test

✨ Built With

Node
Typescript