maycur-business/lib/utils/formula/formularFunction/dec2bin.js

maycur business react components of web

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = dec2bin;

var _rept = _interopRequireDefault(require("./rept"));

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

var _isnan = _interopRequireDefault(require("./isnan"));

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

// Copyright 2015-2018 FormBucket LLC
// based on https://github.com/sutoiku/formula.js/blob/mast../src/engineering.js
function dec2bin(input, places) {
  // exit if input is an error
  if (input instanceof Error) {
    return input;
  } // cast input to number


  var number = parseInt(input);

  if (!/^-?[0-9]{1,3}$/.test(number) || (0, _isnan["default"])(number)) {
    return _error.ERRORTYPES.value;
  } // Return error.if number is not decimal, is lower than -512, or is greater than 511


  if (number < -512 || number > 511) {
    return _error.ERRORTYPES.num;
  } // Ignore places and return a 10-character binary number if number is negative


  if (number < 0) {
    return "1" + (0, _rept["default"])("0", 9 - (512 + number).toString(2).length) + (512 + number).toString(2);
  } // Convert decimal number to binary


  var result = parseInt(number, 10).toString(2); // Return binary number using the minimum number of characters necessary if places is undefined

  if (typeof places === "undefined") {
    return result;
  } else {
    // Return error.if places is nonnumeric
    if (!/^-?[0-9]{1,3}$/.test(places) || (0, _isnan["default"])(places)) {
      return _error.ERRORTYPES.value;
    } // Return error.if places is negative


    if (places < 0) {
      return _error.ERRORTYPES.num;
    } // Truncate places in case it is not an integer


    places = Math.floor(places); // Pad return value with leading 0s (zeros) if necessary (using Underscore.string)

    return places >= result.length ? (0, _rept["default"])("0", places - result.length) + result : _error.ERRORTYPES.num;
  }
}