calculateCardInstallment

Import

import { calculateCardInstallment } from "@arkyn/shared";

Parameters

• Type: number
• Description: The total cash price of the product or service.
• Required: Yes

• Type: number
• Description: The number of installments in the payment plan. - Required: Yes

• Type: number
• Description: The interest rate per installment.
• Default: 0.0349 (3.49%)

Return

• totalPrice: The total price to be paid, rounded to two decimal places.
• installmentPrice: The amount of each installment, rounded to two decimal places.

Notes

• No Interest: If the interest rate (fees) is 0 or the number of installments (numberInstallments) is 1, no interest will be charged.

Errors

• Error("Number of installments must be greater than 0"): If the number of installments is less than or equal to 0.
• Error("Fees must be greater than or equal to 0"): If the interest rate is less than 0.

Usage Example

import { calculateCardInstallment } from "./calculateCardInstallment";

const resultado = calculateCardInstallment({
  cashPrice: 1000,
  numberInstallments: 12,
  fees: 0.02, // 2% interest
});

console.log(resultado);
// Output: { totalPrice: 1124.62, installmentPrice: 93.72 }