text: "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = isDate;
  
  function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
  
  function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
  
  function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
  
  function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
  
  function _createForOfIteratorHelper(o) { if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (o = _unsupportedIterableToArray(o))) { var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var it, normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }
  
  function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
  
  function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
  
  function isValidFormat(format) {
    return /(^(y{4}|y{2})[\/-](m{1,2})[\/-](d{1,2})$)|(^(m{1,2})[\/-](d{1,2})[\/-]((y{4}|y{2})$))|(^(d{1,2})[\/-](m{1,2})[\/-]((y{4}|y{2})$))/gi.test(format);
  }
  
  function zip(date, format) {
    var zippedArr = [],
        len = Math.min(date.length, format.length);
  
    for (var i = 0; i < len; i++) {
      zippedArr.push([date[i], format[i]]);
    }
  
    return zippedArr;
  }
  
  function isDate(input) {
    var format = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'YYYY/MM/DD';
  
    if (typeof input === 'string' && isValidFormat(format)) {
      var splitter = /[-/]/,
          dateAndFormat = zip(input.split(splitter), format.toLowerCase().split(splitter)),
          dateObj = {};
  
      var _iterator = _createForOfIteratorHelper(dateAndFormat),
          _step;
  
      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var _step$value = _slicedToArray(_step.value, 2),
              dateWord = _step$value[0],
              formatWord = _step$value[1];
  
          if (dateWord.length !== formatWord.length) {
            return false;
          }
  
          dateObj[formatWord.charAt(0)] = dateWord;
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }
  
      return new Date("".concat(dateObj.m, "/").concat(dateObj.d, "/").concat(dateObj.y)).getDate() === +dateObj.d;
    }
  
    return Object.prototype.toString.call(input) === '[object Date]' && isFinite(input);
  }
  
  module.exports = exports.default;
  module.exports.default = exports.default;