calculate-total-price

This is a JavaScript library to calculate the total price of an order. This library accepts 3 inputs as number of items, unit price and province code. the total price calculated by calculate the total cost and deduct discount based on the quantity and add sales tax based on the province code

Installation

Please follow the structure below to Install dependencies

npm install 

Dependencies

jest is the only dependency package used in this package for unit testing. You can download by using below command in your project.

npm install --save-dev jest

Usage

Install package

npm i calculate-total-price

Use package

const {calculateTotalPrice} = require('calculate-total-price');

calculateTotalPrice()
Takes 3 arguments:

• number of items
• price per item
• 2-letter province code (string)

The total price is calculated by:

• calculate the total cost for the items
• deduct discount based on the quantity
• add sales tax based on the province/state code

Run Tests

Run command below to run all unit tests

npm test

Discount table

| Order Value | Discount Rate | | ----------- | ------------: | | $1,000 | 3% | | $5,000 | 5% | | $7,000 | 7% | | $10,000 | 10% |

Provinces table

| Province | Tax Rate | | -------- | -------: | | AB | 5% | | ON | 13% | | QC | 14.975% | | MI | 6% | | DE | 0% |

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT