ffr-components/es/utils.js

Fiori styled UI components

import _typeof from "@babel/runtime/helpers/esm/typeof";
export var isMobile = function isMobile() {
  var userAgent = window.navigator.userAgent;
  return /Mobile/.test(userAgent);
};
export var KeyCode = {
  ENTER: 13,
  CTRL: 17,
  ALT: 18,
  ESC: 27,
  SPACE: 32,
  DOWN: 40,
  LEFT: 37,
  UP: 38,
  RIGHT: 39,
  TAB: 9
};
export var isClickedKey = function isClickedKey(keyCode) {
  return keyCode === KeyCode.SPACE || keyCode === KeyCode.ENTER;
};

var __isType = function __isType(type) {
  return function (oTarget) {
    return Object.prototype.toString.call(oTarget).replace(/^.*\s(.*)]$/, '$1') === type;
  };
};
/**
 * export functions:
 *  isString
 *  isObject
 *  isNumber
 *  isUndefined
 *  isFunction
 *  isArray
 *  isNull
 */


var oType = {};
['String', 'Object', 'Number', 'Undefined', 'Function', 'Array', 'Null', 'Boolean'].forEach(function (_type) {
  oType["is".concat(_type)] = __isType(_type);
});
/**
 * function: check an object is Promise or not
 * @param obj
 * @returns {string}
 */

oType.isPromise = function (obj) {
  return __isType('Promise')(obj) || (oType.isObject(obj) || oType.isFunction(obj)) && oType.isFunction(obj.then);
};

export var hasClass = function hasClass(obj, cls) {
  cls = String(cls).trim();
  var classArray = String(obj.className).split(' ');
  classArray.map(function (x) {
    return String(x).trim();
  });
  return classArray.indexOf(cls) !== -1;
};
export var addClass = function addClass(obj, cls) {
  if (!hasClass(obj, cls)) obj.className += " ".concat(cls);
};
export var removeClass = function removeClass(obj, cls) {
  if (hasClass(obj, cls)) {
    obj.className = String(obj.className).split(cls).map(function (x) {
      return String(x).trim();
    }).join(' ');
  }
};
/**
 * function: get the type of the given parameter
 * @param o
 * @returns {string}
 */

export function getType(o) {
  var _t = null;
  return ((_t = _typeof(o)) === 'object' ? o == null && 'null' || Object.prototype.toString.call(o).slice(8, -1) : _t).toLowerCase();
}
/**
 * function: deep clone
 * @param data
 * @returns {*}
 */

export var deepClone = function deepClone(data) {
  try {
    data = JSON.parse(JSON.stringify(data));
  } catch (e) {
    console.error(e);
  }

  return data;
};
export default oType;
export var getRandom = function getRandom() {
  return Math.floor(Math.random() * 10000);
};
export var throttle = function throttle(fn, delay) {
  var timer = null;
  var previous = new Date();

  var tFn = function tFn() {
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    var now = new Date(),
        remaining = now - previous;

    if (remaining >= delay) {
      if (timer) {
        clearTimeout(timer);
      }

      fn.apply(null, args);
      previous = now;
    } else {
      if (!timer) {
        timer = setTimeout(function () {
          fn.apply(null, args);
          previous = new Date();
        }, delay - remaining);
      }
    }
  };

  tFn.cancel = function () {
    if (timer !== null) {
      clearTimeout(timer);
    }
  };

  return tFn;
};