Promotion Calculation Engine

Utility Promotion Calculation with TypeScript

Installation

Use the node package manager npm to install foobar.
``bash
npm install
`
recommended node version: 12

How Calculation Engine Works

[Rules] -> [Calculate Engine] -> [Calculated Result]

Usage

`typescript
import { CalculationEngine } from 'promotion-calculation-engine'

const calculationEngine = new CalculationEngine()
const calculateOrder = await calculationEngine.process({
rules,
items,
deliveryAddresses,
customer: {
uniqueId: customer.id,
email: customer.email,
msisdn: customer.mobileNo,
isNewCustomer: customer.isNewCustomer,
} || null,
usageCounts: [{
salesRuleId: rule.id,
total: 10,
byCustomer: 1
}],
}, {

})

``

Test and Development

See example rules in test folder

To run all test rules use command

$3