@danilandreev/material-docs/utils/AspectRatio.js

material-docs - react framework for easy creating documentation site in material design style.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

/*
 * Author: Andrieiev Danil |  danssg08@gmail.com | https://github.com/DanilAndreev
 * Copyright (C) 2020.
 */
var AspectRatio = /*#__PURE__*/function () {
  /**
   * Creates AspectRatio class
   * @method
   * @constructor
   * @param {number} height Relative height.
   * @param {number} width Relative width.
   * @throws TypeError
   * @example
   * const ratio = new AspectRatio(3, 5);
   * const height = ratio.getHeight(100);
   */
  function AspectRatio(height, width) {
    _classCallCheck(this, AspectRatio);

    if (typeof height !== "number") throw new TypeError("MaterialDocs: Incorrect type of \"height\", expected \"number\" got \"".concat(_typeof(height), "\""));
    if (typeof width !== "number") throw new TypeError("MaterialDocs: Incorrect type of \"height\", expected \"number\" got \"".concat(_typeof(width), "\""));
    this.height = height;
    this.width = width;
  }
  /**
   * getHeight - method, designed to calculate absolute height from absolute width by ratio.
   * @method
   * @param {number} width Absolute width to calculate height.
   * @return {number}
   */


  _createClass(AspectRatio, [{
    key: "getHeight",
    value: function getHeight(width) {
      if (this.height === 0) return 0;
      var multiplier = this.width / this.height;
      if (isNaN(multiplier)) multiplier = 0;
      return Math.trunc(width * multiplier);
    }
  }]);

  return AspectRatio;
}();

exports.default = AspectRatio;