basic-math-utils/lib/rangeUtils/index.js

Basic math utilities for doing some basic math operations

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var RangeUtils = function () {
  function RangeUtils() {
    _classCallCheck(this, RangeUtils);
  }

  _createClass(RangeUtils, [{
    key: "mapBetween",

    /**
     * Convert a value within a range to it's equivalent within another map range
     *
     * This function is usefull for example to convert a range like a ProgressBar range to it's equivalent in %
     * @param valueNow
     * @param valueMin
     * @param valueMax
     * @param rangeMin
     * @param rangeMax
     * @returns {number}
     */
    value: function mapBetween(valueNow, valueMin, valueMax) {
      var rangeMin = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
      var rangeMax = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 100;

      return (rangeMax - rangeMin) * (valueNow - valueMin) / (valueMax - valueMin) + rangeMin; // eslint-disable-line no-mixed-operators
    }
  }]);

  return RangeUtils;
}();

exports.default = new RangeUtils();
module.exports = exports["default"];