maycur-business/lib/utils/formula/formularFunction/fv.js

maycur business react components of web

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = fv;

var _error = require("./error");

var _isblank = _interopRequireDefault(require("./isblank"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

// Copyright 2015-2018 FormBucket LLC
function fv(rate, periods, payment) {
  var value = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
  var type = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0;
  // is this error code correct?
  if ((0, _isblank["default"])(rate)) return _error.ERRORTYPES.na;
  if ((0, _isblank["default"])(periods)) return _error.ERRORTYPES.na;
  if ((0, _isblank["default"])(payment)) return _error.ERRORTYPES.na;
  var fv;

  if (rate === 0) {
    fv = value + payment * periods;
  } else {
    var term = Math.pow(1 + rate, periods);

    if (type === 1) {
      fv = value * term + payment * (1 + rate) * (term - 1) / rate;
    } else {
      fv = value * term + payment * (term - 1) / rate;
    }
  }

  return -fv;
}