LoanJS on TypeScript

Calculating loan in equal or diminishing installments - Loan TypeScript

You can use on NestJS Framwework, work nice.

• TypeScript: https://github.com/angeldelacruzdev/interest-bankjs
• Javascript: https://github.com/kfiku/LoanJS

Getting Started

Install the module with:

npm i interest-bankjs

Calculating Loan:

import { Loan } from 'interest-bankjs';
var loan =  Loan(
  1000, // amount
  12,   // installments number
  5,    // interest rate
  true  // diminishing
);
/** returns
{ 
  installments  : [
    {
      capital     : number,
      interest    : number,
      installment : number,
      remain      : number
    }
  ],
  amount        : number,
  interestSum   : number,
  capitalSum    : number,
  sum           : number
}
*/

Documentation

Loan

Loan(amount, installmentsNumber, interestRate, diminishing)

Arguments

| Argument | type | default | Description | ------------------ | ------ | --------- | ------------------ | amount | number | *required | full amount of Loan | installmentsNumber | number | *required | how many installments will be (in months) | interestRate | number | *required | interest rate in percent (ex. 3.5) | diminishing | bool | false | if installments will be - true: diminishing; false: equal/annuity

Returns

{ 
  installments  : [
    {
      capital     : number,
      interest    : number,
      installment : number,
      remain      : number
    }
  ],
  amount        : number,
  interestSum   : number,
  capitalSum    : number,
  sum           : number
}

License

Copyright (c) 2014 Grzegorz Klimek
Copyright (c) 2021 Angel De La Cruz
Licensed under the MIT license.