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Filename : sweetalert2.js
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/*!
* sweetalert2 v8.19.0
* Released under the MIT License.
*/
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global.Sweetalert2 = factory());
}(this, (function () { 'use strict';

function _typeof(obj) {
  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
    _typeof = function (obj) {
      return typeof obj;
    };
  } else {
    _typeof = function (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;
}

function _extends() {
  _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];

      for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }

    return target;
  };

  return _extends.apply(this, arguments);
}

function _inherits(subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function");
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      writable: true,
      configurable: true
    }
  });
  if (superClass) _setPrototypeOf(subClass, superClass);
}

function _getPrototypeOf(o) {
  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
    return o.__proto__ || Object.getPrototypeOf(o);
  };
  return _getPrototypeOf(o);
}

function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
    o.__proto__ = p;
    return o;
  };

  return _setPrototypeOf(o, p);
}

function isNativeReflectConstruct() {
  if (typeof Reflect === "undefined" || !Reflect.construct) return false;
  if (Reflect.construct.sham) return false;
  if (typeof Proxy === "function") return true;

  try {
    Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
    return true;
  } catch (e) {
    return false;
  }
}

function _construct(Parent, args, Class) {
  if (isNativeReflectConstruct()) {
    _construct = Reflect.construct;
  } else {
    _construct = function _construct(Parent, args, Class) {
      var a = [null];
      a.push.apply(a, args);
      var Constructor = Function.bind.apply(Parent, a);
      var instance = new Constructor();
      if (Class) _setPrototypeOf(instance, Class.prototype);
      return instance;
    };
  }

  return _construct.apply(null, arguments);
}

function _assertThisInitialized(self) {
  if (self === void 0) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return self;
}

function _possibleConstructorReturn(self, call) {
  if (call && (typeof call === "object" || typeof call === "function")) {
    return call;
  }

  return _assertThisInitialized(self);
}

function _superPropBase(object, property) {
  while (!Object.prototype.hasOwnProperty.call(object, property)) {
    object = _getPrototypeOf(object);
    if (object === null) break;
  }

  return object;
}

function _get(target, property, receiver) {
  if (typeof Reflect !== "undefined" && Reflect.get) {
    _get = Reflect.get;
  } else {
    _get = function _get(target, property, receiver) {
      var base = _superPropBase(target, property);

      if (!base) return;
      var desc = Object.getOwnPropertyDescriptor(base, property);

      if (desc.get) {
        return desc.get.call(receiver);
      }

      return desc.value;
    };
  }

  return _get(target, property, receiver || target);
}

var consolePrefix = 'SweetAlert2:';
/**
 * Filter the unique values into a new array
 * @param arr
 */

var uniqueArray = function uniqueArray(arr) {
  var result = [];

  for (var i = 0; i < arr.length; i++) {
    if (result.indexOf(arr[i]) === -1) {
      result.push(arr[i]);
    }
  }

  return result;
};
/**
 * Returns the array ob object values (Object.values isn't supported in IE11)
 * @param obj
 */

var objectValues = function objectValues(obj) {
  return Object.keys(obj).map(function (key) {
    return obj[key];
  });
};
/**
 * Convert NodeList to Array
 * @param nodeList
 */

var toArray = function toArray(nodeList) {
  return Array.prototype.slice.call(nodeList);
};
/**
 * Standardise console warnings
 * @param message
 */

var warn = function warn(message) {
  console.warn("".concat(consolePrefix, " ").concat(message));
};
/**
 * Standardise console errors
 * @param message
 */

var error = function error(message) {
  console.error("".concat(consolePrefix, " ").concat(message));
};
/**
 * Private global state for `warnOnce`
 * @type {Array}
 * @private
 */

var previousWarnOnceMessages = [];
/**
 * Show a console warning, but only if it hasn't already been shown
 * @param message
 */

var warnOnce = function warnOnce(message) {
  if (!(previousWarnOnceMessages.indexOf(message) !== -1)) {
    previousWarnOnceMessages.push(message);
    warn(message);
  }
};
/**
 * Show a one-time console warning about deprecated params/methods
 */

var warnAboutDepreation = function warnAboutDepreation(deprecatedParam, useInstead) {
  warnOnce("\"".concat(deprecatedParam, "\" is deprecated and will be removed in the next major release. Please use \"").concat(useInstead, "\" instead."));
};
/**
 * If `arg` is a function, call it (with no arguments or context) and return the result.
 * Otherwise, just pass the value through
 * @param arg
 */

var callIfFunction = function callIfFunction(arg) {
  return typeof arg === 'function' ? arg() : arg;
};
var isPromise = function isPromise(arg) {
  return arg && Promise.resolve(arg) === arg;
};

var DismissReason = Object.freeze({
  cancel: 'cancel',
  backdrop: 'backdrop',
  close: 'close',
  esc: 'esc',
  timer: 'timer'
});

var argsToParams = function argsToParams(args) {
  var params = {};

  switch (_typeof(args[0])) {
    case 'object':
      _extends(params, args[0]);

      break;

    default:
      ['title', 'html', 'type'].forEach(function (name, index) {
        switch (_typeof(args[index])) {
          case 'string':
            params[name] = args[index];
            break;

          case 'undefined':
            break;

          default:
            error("Unexpected type of ".concat(name, "! Expected \"string\", got ").concat(_typeof(args[index])));
        }
      });
  }

  return params;
};

var swalPrefix = 'swal2-';
var prefix = function prefix(items) {
  var result = {};

  for (var i in items) {
    result[items[i]] = swalPrefix + items[i];
  }

  return result;
};
var swalClasses = prefix(['container', 'shown', 'height-auto', 'iosfix', 'popup', 'modal', 'no-backdrop', 'toast', 'toast-shown', 'toast-column', 'show', 'hide', 'noanimation', 'close', 'title', 'header', 'content', 'actions', 'confirm', 'cancel', 'footer', 'icon', 'image', 'input', 'file', 'range', 'select', 'radio', 'checkbox', 'label', 'textarea', 'inputerror', 'validation-message', 'progress-steps', 'active-progress-step', 'progress-step', 'progress-step-line', 'loading', 'styled', 'top', 'top-start', 'top-end', 'top-left', 'top-right', 'center', 'center-start', 'center-end', 'center-left', 'center-right', 'bottom', 'bottom-start', 'bottom-end', 'bottom-left', 'bottom-right', 'grow-row', 'grow-column', 'grow-fullscreen', 'rtl']);
var iconTypes = prefix(['success', 'warning', 'info', 'question', 'error']);

var states = {
  previousBodyPadding: null
};
var hasClass = function hasClass(elem, className) {
  return elem.classList.contains(className);
};

var removeCustomClasses = function removeCustomClasses(elem) {
  toArray(elem.classList).forEach(function (className) {
    if (!(objectValues(swalClasses).indexOf(className) !== -1) && !(objectValues(iconTypes).indexOf(className) !== -1)) {
      elem.classList.remove(className);
    }
  });
};

var applyCustomClass = function applyCustomClass(elem, customClass, className) {
  removeCustomClasses(elem);

  if (customClass && customClass[className]) {
    if (typeof customClass[className] !== 'string' && !customClass[className].forEach) {
      return warn("Invalid type of customClass.".concat(className, "! Expected string or iterable object, got \"").concat(_typeof(customClass[className]), "\""));
    }

    addClass(elem, customClass[className]);
  }
};
function getInput(content, inputType) {
  if (!inputType) {
    return null;
  }

  switch (inputType) {
    case 'select':
    case 'textarea':
    case 'file':
      return getChildByClass(content, swalClasses[inputType]);

    case 'checkbox':
      return content.querySelector(".".concat(swalClasses.checkbox, " input"));

    case 'radio':
      return content.querySelector(".".concat(swalClasses.radio, " input:checked")) || content.querySelector(".".concat(swalClasses.radio, " input:first-child"));

    case 'range':
      return content.querySelector(".".concat(swalClasses.range, " input"));

    default:
      return getChildByClass(content, swalClasses.input);
  }
}
var focusInput = function focusInput(input) {
  input.focus(); // place cursor at end of text in text input

  if (input.type !== 'file') {
    // http://stackoverflow.com/a/2345915
    var val = input.value;
    input.value = '';
    input.value = val;
  }
};
var toggleClass = function toggleClass(target, classList, condition) {
  if (!target || !classList) {
    return;
  }

  if (typeof classList === 'string') {
    classList = classList.split(/\s+/).filter(Boolean);
  }

  classList.forEach(function (className) {
    if (target.forEach) {
      target.forEach(function (elem) {
        condition ? elem.classList.add(className) : elem.classList.remove(className);
      });
    } else {
      condition ? target.classList.add(className) : target.classList.remove(className);
    }
  });
};
var addClass = function addClass(target, classList) {
  toggleClass(target, classList, true);
};
var removeClass = function removeClass(target, classList) {
  toggleClass(target, classList, false);
};
var getChildByClass = function getChildByClass(elem, className) {
  for (var i = 0; i < elem.childNodes.length; i++) {
    if (hasClass(elem.childNodes[i], className)) {
      return elem.childNodes[i];
    }
  }
};
var applyNumericalStyle = function applyNumericalStyle(elem, property, value) {
  if (value || parseInt(value) === 0) {
    elem.style[property] = typeof value === 'number' ? value + 'px' : value;
  } else {
    elem.style.removeProperty(property);
  }
};
var show = function show(elem) {
  var display = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'flex';
  elem.style.opacity = '';
  elem.style.display = display;
};
var hide = function hide(elem) {
  elem.style.opacity = '';
  elem.style.display = 'none';
};
var toggle = function toggle(elem, condition, display) {
  condition ? show(elem, display) : hide(elem);
}; // borrowed from jquery $(elem).is(':visible') implementation

var isVisible = function isVisible(elem) {
  return !!(elem && (elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length));
};
var isScrollable = function isScrollable(elem) {
  return !!(elem.scrollHeight > elem.clientHeight);
}; // borrowed from https://stackoverflow.com/a/46352119

var hasCssAnimation = function hasCssAnimation(elem) {
  var style = window.getComputedStyle(elem);
  var animDuration = parseFloat(style.getPropertyValue('animation-duration') || '0');
  var transDuration = parseFloat(style.getPropertyValue('transition-duration') || '0');
  return animDuration > 0 || transDuration > 0;
};
var contains = function contains(haystack, needle) {
  if (typeof haystack.contains === 'function') {
    return haystack.contains(needle);
  }
};

var getContainer = function getContainer() {
  return document.body.querySelector('.' + swalClasses.container);
};
var elementBySelector = function elementBySelector(selectorString) {
  var container = getContainer();
  return container ? container.querySelector(selectorString) : null;
};

var elementByClass = function elementByClass(className) {
  return elementBySelector('.' + className);
};

var getPopup = function getPopup() {
  return elementByClass(swalClasses.popup);
};
var getIcons = function getIcons() {
  var popup = getPopup();
  return toArray(popup.querySelectorAll('.' + swalClasses.icon));
};
var getIcon = function getIcon() {
  var visibleIcon = getIcons().filter(function (icon) {
    return isVisible(icon);
  });
  return visibleIcon.length ? visibleIcon[0] : null;
};
var getTitle = function getTitle() {
  return elementByClass(swalClasses.title);
};
var getContent = function getContent() {
  return elementByClass(swalClasses.content);
};
var getImage = function getImage() {
  return elementByClass(swalClasses.image);
};
var getProgressSteps = function getProgressSteps() {
  return elementByClass(swalClasses['progress-steps']);
};
var getValidationMessage = function getValidationMessage() {
  return elementByClass(swalClasses['validation-message']);
};
var getConfirmButton = function getConfirmButton() {
  return elementBySelector('.' + swalClasses.actions + ' .' + swalClasses.confirm);
};
var getCancelButton = function getCancelButton() {
  return elementBySelector('.' + swalClasses.actions + ' .' + swalClasses.cancel);
};
var getActions = function getActions() {
  return elementByClass(swalClasses.actions);
};
var getHeader = function getHeader() {
  return elementByClass(swalClasses.header);
};
var getFooter = function getFooter() {
  return elementByClass(swalClasses.footer);
};
var getCloseButton = function getCloseButton() {
  return elementByClass(swalClasses.close);
}; // https://github.com/jkup/focusable/blob/master/index.js

var focusable = "\n  a[href],\n  area[href],\n  input:not([disabled]),\n  select:not([disabled]),\n  textarea:not([disabled]),\n  button:not([disabled]),\n  iframe,\n  object,\n  embed,\n  [tabindex=\"0\"],\n  [contenteditable],\n  audio[controls],\n  video[controls],\n  summary\n";
var getFocusableElements = function getFocusableElements() {
  var focusableElementsWithTabindex = toArray(getPopup().querySelectorAll('[tabindex]:not([tabindex="-1"]):not([tabindex="0"])')) // sort according to tabindex
  .sort(function (a, b) {
    a = parseInt(a.getAttribute('tabindex'));
    b = parseInt(b.getAttribute('tabindex'));

    if (a > b) {
      return 1;
    } else if (a < b) {
      return -1;
    }

    return 0;
  });
  var otherFocusableElements = toArray(getPopup().querySelectorAll(focusable)).filter(function (el) {
    return el.getAttribute('tabindex') !== '-1';
  });
  return uniqueArray(focusableElementsWithTabindex.concat(otherFocusableElements)).filter(function (el) {
    return isVisible(el);
  });
};
var isModal = function isModal() {
  return !isToast() && !document.body.classList.contains(swalClasses['no-backdrop']);
};
var isToast = function isToast() {
  return document.body.classList.contains(swalClasses['toast-shown']);
};
var isLoading = function isLoading() {
  return getPopup().hasAttribute('data-loading');
};

// Detect Node env
var isNodeEnv = function isNodeEnv() {
  return typeof window === 'undefined' || typeof document === 'undefined';
};

var sweetHTML = "\n <div aria-labelledby=\"".concat(swalClasses.title, "\" aria-describedby=\"").concat(swalClasses.content, "\" class=\"").concat(swalClasses.popup, "\" tabindex=\"-1\">\n   <div class=\"").concat(swalClasses.header, "\">\n     <ul class=\"").concat(swalClasses['progress-steps'], "\"></ul>\n     <div class=\"").concat(swalClasses.icon, " ").concat(iconTypes.error, "\">\n       <span class=\"swal2-x-mark\"><span class=\"swal2-x-mark-line-left\"></span><span class=\"swal2-x-mark-line-right\"></span></span>\n     </div>\n     <div class=\"").concat(swalClasses.icon, " ").concat(iconTypes.question, "\"></div>\n     <div class=\"").concat(swalClasses.icon, " ").concat(iconTypes.warning, "\"></div>\n     <div class=\"").concat(swalClasses.icon, " ").concat(iconTypes.info, "\"></div>\n     <div class=\"").concat(swalClasses.icon, " ").concat(iconTypes.success, "\">\n       <div class=\"swal2-success-circular-line-left\"></div>\n       <span class=\"swal2-success-line-tip\"></span> <span class=\"swal2-success-line-long\"></span>\n       <div class=\"swal2-success-ring\"></div> <div class=\"swal2-success-fix\"></div>\n       <div class=\"swal2-success-circular-line-right\"></div>\n     </div>\n     <img class=\"").concat(swalClasses.image, "\" />\n     <h2 class=\"").concat(swalClasses.title, "\" id=\"").concat(swalClasses.title, "\"></h2>\n     <button type=\"button\" class=\"").concat(swalClasses.close, "\"></button>\n   </div>\n   <div class=\"").concat(swalClasses.content, "\">\n     <div id=\"").concat(swalClasses.content, "\"></div>\n     <input class=\"").concat(swalClasses.input, "\" />\n     <input type=\"file\" class=\"").concat(swalClasses.file, "\" />\n     <div class=\"").concat(swalClasses.range, "\">\n       <input type=\"range\" />\n       <output></output>\n     </div>\n     <select class=\"").concat(swalClasses.select, "\"></select>\n     <div class=\"").concat(swalClasses.radio, "\"></div>\n     <label for=\"").concat(swalClasses.checkbox, "\" class=\"").concat(swalClasses.checkbox, "\">\n       <input type=\"checkbox\" />\n       <span class=\"").concat(swalClasses.label, "\"></span>\n     </label>\n     <textarea class=\"").concat(swalClasses.textarea, "\"></textarea>\n     <div class=\"").concat(swalClasses['validation-message'], "\" id=\"").concat(swalClasses['validation-message'], "\"></div>\n   </div>\n   <div class=\"").concat(swalClasses.actions, "\">\n     <button type=\"button\" class=\"").concat(swalClasses.confirm, "\">OK</button>\n     <button type=\"button\" class=\"").concat(swalClasses.cancel, "\">Cancel</button>\n   </div>\n   <div class=\"").concat(swalClasses.footer, "\">\n   </div>\n </div>\n").replace(/(^|\n)\s*/g, '');

var resetOldContainer = function resetOldContainer() {
  var oldContainer = getContainer();

  if (!oldContainer) {
    return;
  }

  oldContainer.parentNode.removeChild(oldContainer);
  removeClass([document.documentElement, document.body], [swalClasses['no-backdrop'], swalClasses['toast-shown'], swalClasses['has-column']]);
};

var oldInputVal; // IE11 workaround, see #1109 for details

var resetValidationMessage = function resetValidationMessage(e) {
  if (Swal.isVisible() && oldInputVal !== e.target.value) {
    Swal.resetValidationMessage();
  }

  oldInputVal = e.target.value;
};

var addInputChangeListeners = function addInputChangeListeners() {
  var content = getContent();
  var input = getChildByClass(content, swalClasses.input);
  var file = getChildByClass(content, swalClasses.file);
  var range = content.querySelector(".".concat(swalClasses.range, " input"));
  var rangeOutput = content.querySelector(".".concat(swalClasses.range, " output"));
  var select = getChildByClass(content, swalClasses.select);
  var checkbox = content.querySelector(".".concat(swalClasses.checkbox, " input"));
  var textarea = getChildByClass(content, swalClasses.textarea);
  input.oninput = resetValidationMessage;
  file.onchange = resetValidationMessage;
  select.onchange = resetValidationMessage;
  checkbox.onchange = resetValidationMessage;
  textarea.oninput = resetValidationMessage;

  range.oninput = function (e) {
    resetValidationMessage(e);
    rangeOutput.value = range.value;
  };

  range.onchange = function (e) {
    resetValidationMessage(e);
    range.nextSibling.value = range.value;
  };
};

var getTarget = function getTarget(target) {
  return typeof target === 'string' ? document.querySelector(target) : target;
};

var setupAccessibility = function setupAccessibility(params) {
  var popup = getPopup();
  popup.setAttribute('role', params.toast ? 'alert' : 'dialog');
  popup.setAttribute('aria-live', params.toast ? 'polite' : 'assertive');

  if (!params.toast) {
    popup.setAttribute('aria-modal', 'true');
  }
};

var setupRTL = function setupRTL(targetElement) {
  if (window.getComputedStyle(targetElement).direction === 'rtl') {
    addClass(getContainer(), swalClasses.rtl);
  }
};
/*
 * Add modal + backdrop to DOM
 */


var init = function init(params) {
  // Clean up the old popup container if it exists
  resetOldContainer();
  /* istanbul ignore if */

  if (isNodeEnv()) {
    error('SweetAlert2 requires document to initialize');
    return;
  }

  var container = document.createElement('div');
  container.className = swalClasses.container;
  container.innerHTML = sweetHTML;
  var targetElement = getTarget(params.target);
  targetElement.appendChild(container);
  setupAccessibility(params);
  setupRTL(targetElement);
  addInputChangeListeners();
};

var parseHtmlToContainer = function parseHtmlToContainer(param, target) {
  // DOM element
  if (param instanceof HTMLElement) {
    target.appendChild(param); // JQuery element(s)
  } else if (_typeof(param) === 'object') {
    handleJqueryElem(target, param); // Plain string
  } else if (param) {
    target.innerHTML = param;
  }
};

var handleJqueryElem = function handleJqueryElem(target, elem) {
  target.innerHTML = '';

  if (0 in elem) {
    for (var i = 0; i in elem; i++) {
      target.appendChild(elem[i].cloneNode(true));
    }
  } else {
    target.appendChild(elem.cloneNode(true));
  }
};

var animationEndEvent = function () {
  // Prevent run in Node env

  /* istanbul ignore if */
  if (isNodeEnv()) {
    return false;
  }

  var testEl = document.createElement('div');
  var transEndEventNames = {
    WebkitAnimation: 'webkitAnimationEnd',
    OAnimation: 'oAnimationEnd oanimationend',
    animation: 'animationend'
  };

  for (var i in transEndEventNames) {
    if (Object.prototype.hasOwnProperty.call(transEndEventNames, i) && typeof testEl.style[i] !== 'undefined') {
      return transEndEventNames[i];
    }
  }

  return false;
}();

// Measure width of scrollbar
// https://github.com/twbs/bootstrap/blob/master/js/modal.js#L279-L286
var measureScrollbar = function measureScrollbar() {
  var supportsTouch = 'ontouchstart' in window || navigator.msMaxTouchPoints;

  if (supportsTouch) {
    return 0;
  }

  var scrollDiv = document.createElement('div');
  scrollDiv.style.width = '50px';
  scrollDiv.style.height = '50px';
  scrollDiv.style.overflow = 'scroll';
  document.body.appendChild(scrollDiv);
  var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
  document.body.removeChild(scrollDiv);
  return scrollbarWidth;
};

var renderActions = function renderActions(instance, params) {
  var actions = getActions();
  var confirmButton = getConfirmButton();
  var cancelButton = getCancelButton(); // Actions (buttons) wrapper

  if (!params.showConfirmButton && !params.showCancelButton) {
    hide(actions);
  } // Custom class


  applyCustomClass(actions, params.customClass, 'actions'); // Render confirm button

  renderButton(confirmButton, 'confirm', params); // render Cancel Button

  renderButton(cancelButton, 'cancel', params);

  if (params.buttonsStyling) {
    handleButtonsStyling(confirmButton, cancelButton, params);
  } else {
    removeClass([confirmButton, cancelButton], swalClasses.styled);
    confirmButton.style.backgroundColor = confirmButton.style.borderLeftColor = confirmButton.style.borderRightColor = '';
    cancelButton.style.backgroundColor = cancelButton.style.borderLeftColor = cancelButton.style.borderRightColor = '';
  }

  if (params.reverseButtons) {
    confirmButton.parentNode.insertBefore(cancelButton, confirmButton);
  }
};

function handleButtonsStyling(confirmButton, cancelButton, params) {
  addClass([confirmButton, cancelButton], swalClasses.styled); // Buttons background colors

  if (params.confirmButtonColor) {
    confirmButton.style.backgroundColor = params.confirmButtonColor;
  }

  if (params.cancelButtonColor) {
    cancelButton.style.backgroundColor = params.cancelButtonColor;
  } // Loading state


  var confirmButtonBackgroundColor = window.getComputedStyle(confirmButton).getPropertyValue('background-color');
  confirmButton.style.borderLeftColor = confirmButtonBackgroundColor;
  confirmButton.style.borderRightColor = confirmButtonBackgroundColor;
}

function renderButton(button, buttonType, params) {
  toggle(button, params['showC' + buttonType.substring(1) + 'Button'], 'inline-block');
  button.innerHTML = params[buttonType + 'ButtonText']; // Set caption text

  button.setAttribute('aria-label', params[buttonType + 'ButtonAriaLabel']); // ARIA label
  // Add buttons custom classes

  button.className = swalClasses[buttonType];
  applyCustomClass(button, params.customClass, buttonType + 'Button');
  addClass(button, params[buttonType + 'ButtonClass']);
}

function handleBackdropParam(container, backdrop) {
  if (typeof backdrop === 'string') {
    container.style.background = backdrop;
  } else if (!backdrop) {
    addClass([document.documentElement, document.body], swalClasses['no-backdrop']);
  }
}

function handlePositionParam(container, position) {
  if (position in swalClasses) {
    addClass(container, swalClasses[position]);
  } else {
    warn('The "position" parameter is not valid, defaulting to "center"');
    addClass(container, swalClasses.center);
  }
}

function handleGrowParam(container, grow) {
  if (grow && typeof grow === 'string') {
    var growClass = 'grow-' + grow;

    if (growClass in swalClasses) {
      addClass(container, swalClasses[growClass]);
    }
  }
}

var renderContainer = function renderContainer(instance, params) {
  var container = getContainer();

  if (!container) {
    return;
  }

  handleBackdropParam(container, params.backdrop);

  if (!params.backdrop && params.allowOutsideClick) {
    warn('"allowOutsideClick" parameter requires `backdrop` parameter to be set to `true`');
  }

  handlePositionParam(container, params.position);
  handleGrowParam(container, params.grow); // Custom class

  applyCustomClass(container, params.customClass, 'container');

  if (params.customContainerClass) {
    // @deprecated
    addClass(container, params.customContainerClass);
  }
};

/**
 * This module containts `WeakMap`s for each effectively-"private  property" that a `Swal` has.
 * For example, to set the private property "foo" of `this` to "bar", you can `privateProps.foo.set(this, 'bar')`
 * This is the approach that Babel will probably take to implement private methods/fields
 *   https://github.com/tc39/proposal-private-methods
 *   https://github.com/babel/babel/pull/7555
 * Once we have the changes from that PR in Babel, and our core class fits reasonable in *one module*
 *   then we can use that language feature.
 */
var privateProps = {
  promise: new WeakMap(),
  innerParams: new WeakMap(),
  domCache: new WeakMap()
};

var inputTypes = ['input', 'file', 'range', 'select', 'radio', 'checkbox', 'textarea'];
var renderInput = function renderInput(instance, params) {
  var content = getContent();
  var innerParams = privateProps.innerParams.get(instance);
  var rerender = !innerParams || params.input !== innerParams.input;
  inputTypes.forEach(function (inputType) {
    var inputClass = swalClasses[inputType];
    var inputContainer = getChildByClass(content, inputClass); // set attributes

    setAttributes(inputType, params.inputAttributes); // set class

    inputContainer.className = inputClass;

    if (rerender) {
      hide(inputContainer);
    }
  });

  if (params.input) {
    if (rerender) {
      showInput(params);
    } // set custom class


    setCustomClass(params);
  }
};

var showInput = function showInput(params) {
  if (!renderInputType[params.input]) {
    return error("Unexpected type of input! Expected \"text\", \"email\", \"password\", \"number\", \"tel\", \"select\", \"radio\", \"checkbox\", \"textarea\", \"file\" or \"url\", got \"".concat(params.input, "\""));
  }

  var inputContainer = getInputContainer(params.input);
  var input = renderInputType[params.input](inputContainer, params);
  show(input); // input autofocus

  setTimeout(function () {
    focusInput(input);
  });
};

var removeAttributes = function removeAttributes(input) {
  for (var i = 0; i < input.attributes.length; i++) {
    var attrName = input.attributes[i].name;

    if (!(['type', 'value', 'style'].indexOf(attrName) !== -1)) {
      input.removeAttribute(attrName);
    }
  }
};

var setAttributes = function setAttributes(inputType, inputAttributes) {
  var input = getInput(getContent(), inputType);

  if (!input) {
    return;
  }

  removeAttributes(input);

  for (var attr in inputAttributes) {
    // Do not set a placeholder for <input type="range">
    // it'll crash Edge, #1298
    if (inputType === 'range' && attr === 'placeholder') {
      continue;
    }

    input.setAttribute(attr, inputAttributes[attr]);
  }
};

var setCustomClass = function setCustomClass(params) {
  var inputContainer = getInputContainer(params.input);

  if (params.inputClass) {
    addClass(inputContainer, params.inputClass);
  }

  if (params.customClass) {
    addClass(inputContainer, params.customClass.input);
  }
};

var setInputPlaceholder = function setInputPlaceholder(input, params) {
  if (!input.placeholder || params.inputPlaceholder) {
    input.placeholder = params.inputPlaceholder;
  }
};

var getInputContainer = function getInputContainer(inputType) {
  var inputClass = swalClasses[inputType] ? swalClasses[inputType] : swalClasses.input;
  return getChildByClass(getContent(), inputClass);
};

var renderInputType = {};

renderInputType.text = renderInputType.email = renderInputType.password = renderInputType.number = renderInputType.tel = renderInputType.url = function (input, params) {
  if (typeof params.inputValue === 'string' || typeof params.inputValue === 'number') {
    input.value = params.inputValue;
  } else if (!isPromise(params.inputValue)) {
    warn("Unexpected type of inputValue! Expected \"string\", \"number\" or \"Promise\", got \"".concat(_typeof(params.inputValue), "\""));
  }

  setInputPlaceholder(input, params);
  input.type = params.input;
  return input;
};

renderInputType.file = function (input, params) {
  setInputPlaceholder(input, params);
  return input;
};

renderInputType.range = function (range, params) {
  var rangeInput = range.querySelector('input');
  var rangeOutput = range.querySelector('output');
  rangeInput.value = params.inputValue;
  rangeInput.type = params.input;
  rangeOutput.value = params.inputValue;
  return range;
};

renderInputType.select = function (select, params) {
  select.innerHTML = '';

  if (params.inputPlaceholder) {
    var placeholder = document.createElement('option');
    placeholder.innerHTML = params.inputPlaceholder;
    placeholder.value = '';
    placeholder.disabled = true;
    placeholder.selected = true;
    select.appendChild(placeholder);
  }

  return select;
};

renderInputType.radio = function (radio) {
  radio.innerHTML = '';
  return radio;
};

renderInputType.checkbox = function (checkboxContainer, params) {
  var checkbox = getInput(getContent(), 'checkbox');
  checkbox.value = 1;
  checkbox.id = swalClasses.checkbox;
  checkbox.checked = Boolean(params.inputValue);
  var label = checkboxContainer.querySelector('span');
  label.innerHTML = params.inputPlaceholder;
  return checkboxContainer;
};

renderInputType.textarea = function (textarea, params) {
  textarea.value = params.inputValue;
  setInputPlaceholder(textarea, params);

  if ('MutationObserver' in window) {
    // #1699
    var initialPopupWidth = parseInt(window.getComputedStyle(getPopup()).width);
    var popupPadding = parseInt(window.getComputedStyle(getPopup()).paddingLeft) + parseInt(window.getComputedStyle(getPopup()).paddingRight);

    var outputsize = function outputsize() {
      var contentWidth = textarea.offsetWidth + popupPadding;

      if (contentWidth > initialPopupWidth) {
        getPopup().style.width = contentWidth + 'px';
      } else {
        getPopup().style.width = null;
      }
    };

    new MutationObserver(outputsize).observe(textarea, {
      attributes: true,
      attributeFilter: ['style']
    });
  }

  return textarea;
};

var renderContent = function renderContent(instance, params) {
  var content = getContent().querySelector('#' + swalClasses.content); // Content as HTML

  if (params.html) {
    parseHtmlToContainer(params.html, content);
    show(content, 'block'); // Content as plain text
  } else if (params.text) {
    content.textContent = params.text;
    show(content, 'block'); // No content
  } else {
    hide(content);
  }

  renderInput(instance, params); // Custom class

  applyCustomClass(getContent(), params.customClass, 'content');
};

var renderFooter = function renderFooter(instance, params) {
  var footer = getFooter();
  toggle(footer, params.footer);

  if (params.footer) {
    parseHtmlToContainer(params.footer, footer);
  } // Custom class


  applyCustomClass(footer, params.customClass, 'footer');
};

var renderCloseButton = function renderCloseButton(instance, params) {
  var closeButton = getCloseButton();
  closeButton.innerHTML = params.closeButtonHtml; // Custom class

  applyCustomClass(closeButton, params.customClass, 'closeButton');
  toggle(closeButton, params.showCloseButton);
  closeButton.setAttribute('aria-label', params.closeButtonAriaLabel);
};

var renderIcon = function renderIcon(instance, params) {
  var innerParams = privateProps.innerParams.get(instance); // if the icon with the given type already rendered,
  // apply the custom class without re-rendering the icon

  if (innerParams && params.type === innerParams.type && getIcon()) {
    applyCustomClass(getIcon(), params.customClass, 'icon');
    return;
  }

  hideAllIcons();

  if (!params.type) {
    return;
  }

  adjustSuccessIconBackgoundColor();

  if (Object.keys(iconTypes).indexOf(params.type) !== -1) {
    var icon = elementBySelector(".".concat(swalClasses.icon, ".").concat(iconTypes[params.type]));
    show(icon); // Custom class

    applyCustomClass(icon, params.customClass, 'icon'); // Animate icon

    toggleClass(icon, "swal2-animate-".concat(params.type, "-icon"), params.animation);
  } else {
    error("Unknown type! Expected \"success\", \"error\", \"warning\", \"info\" or \"question\", got \"".concat(params.type, "\""));
  }
};

var hideAllIcons = function hideAllIcons() {
  var icons = getIcons();

  for (var i = 0; i < icons.length; i++) {
    hide(icons[i]);
  }
}; // Adjust success icon background color to match the popup background color


var adjustSuccessIconBackgoundColor = function adjustSuccessIconBackgoundColor() {
  var popup = getPopup();
  var popupBackgroundColor = window.getComputedStyle(popup).getPropertyValue('background-color');
  var successIconParts = popup.querySelectorAll('[class^=swal2-success-circular-line], .swal2-success-fix');

  for (var i = 0; i < successIconParts.length; i++) {
    successIconParts[i].style.backgroundColor = popupBackgroundColor;
  }
};

var renderImage = function renderImage(instance, params) {
  var image = getImage();

  if (!params.imageUrl) {
    return hide(image);
  }

  show(image); // Src, alt

  image.setAttribute('src', params.imageUrl);
  image.setAttribute('alt', params.imageAlt); // Width, height

  applyNumericalStyle(image, 'width', params.imageWidth);
  applyNumericalStyle(image, 'height', params.imageHeight); // Class

  image.className = swalClasses.image;
  applyCustomClass(image, params.customClass, 'image');

  if (params.imageClass) {
    addClass(image, params.imageClass);
  }
};

var createStepElement = function createStepElement(step) {
  var stepEl = document.createElement('li');
  addClass(stepEl, swalClasses['progress-step']);
  stepEl.innerHTML = step;
  return stepEl;
};

var createLineElement = function createLineElement(params) {
  var lineEl = document.createElement('li');
  addClass(lineEl, swalClasses['progress-step-line']);

  if (params.progressStepsDistance) {
    lineEl.style.width = params.progressStepsDistance;
  }

  return lineEl;
};

var renderProgressSteps = function renderProgressSteps(instance, params) {
  var progressStepsContainer = getProgressSteps();

  if (!params.progressSteps || params.progressSteps.length === 0) {
    return hide(progressStepsContainer);
  }

  show(progressStepsContainer);
  progressStepsContainer.innerHTML = '';
  var currentProgressStep = parseInt(params.currentProgressStep === null ? Swal.getQueueStep() : params.currentProgressStep);

  if (currentProgressStep >= params.progressSteps.length) {
    warn('Invalid currentProgressStep parameter, it should be less than progressSteps.length ' + '(currentProgressStep like JS arrays starts from 0)');
  }

  params.progressSteps.forEach(function (step, index) {
    var stepEl = createStepElement(step);
    progressStepsContainer.appendChild(stepEl);

    if (index === currentProgressStep) {
      addClass(stepEl, swalClasses['active-progress-step']);
    }

    if (index !== params.progressSteps.length - 1) {
      var lineEl = createLineElement(step);
      progressStepsContainer.appendChild(lineEl);
    }
  });
};

var renderTitle = function renderTitle(instance, params) {
  var title = getTitle();
  toggle(title, params.title || params.titleText);

  if (params.title) {
    parseHtmlToContainer(params.title, title);
  }

  if (params.titleText) {
    title.innerText = params.titleText;
  } // Custom class


  applyCustomClass(title, params.customClass, 'title');
};

var renderHeader = function renderHeader(instance, params) {
  var header = getHeader(); // Custom class

  applyCustomClass(header, params.customClass, 'header'); // Progress steps

  renderProgressSteps(instance, params); // Icon

  renderIcon(instance, params); // Image

  renderImage(instance, params); // Title

  renderTitle(instance, params); // Close button

  renderCloseButton(instance, params);
};

var renderPopup = function renderPopup(instance, params) {
  var popup = getPopup(); // Width

  applyNumericalStyle(popup, 'width', params.width); // Padding

  applyNumericalStyle(popup, 'padding', params.padding); // Background

  if (params.background) {
    popup.style.background = params.background;
  } // Default Class


  popup.className = swalClasses.popup;

  if (params.toast) {
    addClass([document.documentElement, document.body], swalClasses['toast-shown']);
    addClass(popup, swalClasses.toast);
  } else {
    addClass(popup, swalClasses.modal);
  } // Custom class


  applyCustomClass(popup, params.customClass, 'popup');

  if (typeof params.customClass === 'string') {
    addClass(popup, params.customClass);
  } // CSS animation


  toggleClass(popup, swalClasses.noanimation, !params.animation);
};

var render = function render(instance, params) {
  renderPopup(instance, params);
  renderContainer(instance, params);
  renderHeader(instance, params);
  renderContent(instance, params);
  renderActions(instance, params);
  renderFooter(instance, params);

  if (typeof params.onRender === 'function') {
    params.onRender(getPopup());
  }
};

/*
 * Global function to determine if SweetAlert2 popup is shown
 */

var isVisible$1 = function isVisible$$1() {
  return isVisible(getPopup());
};
/*
 * Global function to click 'Confirm' button
 */

var clickConfirm = function clickConfirm() {
  return getConfirmButton() && getConfirmButton().click();
};
/*
 * Global function to click 'Cancel' button
 */

var clickCancel = function clickCancel() {
  return getCancelButton() && getCancelButton().click();
};

function fire() {
  var Swal = this;

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

  return _construct(Swal, args);
}

/**
 * Returns an extended version of `Swal` containing `params` as defaults.
 * Useful for reusing Swal configuration.
 *
 * For example:
 *
 * Before:
 * const textPromptOptions = { input: 'text', showCancelButton: true }
 * const {value: firstName} = await Swal.fire({ ...textPromptOptions, title: 'What is your first name?' })
 * const {value: lastName} = await Swal.fire({ ...textPromptOptions, title: 'What is your last name?' })
 *
 * After:
 * const TextPrompt = Swal.mixin({ input: 'text', showCancelButton: true })
 * const {value: firstName} = await TextPrompt('What is your first name?')
 * const {value: lastName} = await TextPrompt('What is your last name?')
 *
 * @param mixinParams
 */
function mixin(mixinParams) {
  var MixinSwal =
  /*#__PURE__*/
  function (_this) {
    _inherits(MixinSwal, _this);

    function MixinSwal() {
      _classCallCheck(this, MixinSwal);

      return _possibleConstructorReturn(this, _getPrototypeOf(MixinSwal).apply(this, arguments));
    }

    _createClass(MixinSwal, [{
      key: "_main",
      value: function _main(params) {
        return _get(_getPrototypeOf(MixinSwal.prototype), "_main", this).call(this, _extends({}, mixinParams, params));
      }
    }]);

    return MixinSwal;
  }(this);

  return MixinSwal;
}

// private global state for the queue feature
var currentSteps = [];
/*
 * Global function for chaining sweetAlert popups
 */

var queue = function queue(steps) {
  var Swal = this;
  currentSteps = steps;

  var resetAndResolve = function resetAndResolve(resolve, value) {
    currentSteps = [];
    document.body.removeAttribute('data-swal2-queue-step');
    resolve(value);
  };

  var queueResult = [];
  return new Promise(function (resolve) {
    (function step(i, callback) {
      if (i < currentSteps.length) {
        document.body.setAttribute('data-swal2-queue-step', i);
        Swal.fire(currentSteps[i]).then(function (result) {
          if (typeof result.value !== 'undefined') {
            queueResult.push(result.value);
            step(i + 1, callback);
          } else {
            resetAndResolve(resolve, {
              dismiss: result.dismiss
            });
          }
        });
      } else {
        resetAndResolve(resolve, {
          value: queueResult
        });
      }
    })(0);
  });
};
/*
 * Global function for getting the index of current popup in queue
 */

var getQueueStep = function getQueueStep() {
  return document.body.getAttribute('data-swal2-queue-step');
};
/*
 * Global function for inserting a popup to the queue
 */

var insertQueueStep = function insertQueueStep(step, index) {
  if (index && index < currentSteps.length) {
    return currentSteps.splice(index, 0, step);
  }

  return currentSteps.push(step);
};
/*
 * Global function for deleting a popup from the queue
 */

var deleteQueueStep = function deleteQueueStep(index) {
  if (typeof currentSteps[index] !== 'undefined') {
    currentSteps.splice(index, 1);
  }
};

/**
 * Show spinner instead of Confirm button and disable Cancel button
 */

var showLoading = function showLoading() {
  var popup = getPopup();

  if (!popup) {
    Swal.fire('');
  }

  popup = getPopup();
  var actions = getActions();
  var confirmButton = getConfirmButton();
  var cancelButton = getCancelButton();
  show(actions);
  show(confirmButton);
  addClass([popup, actions], swalClasses.loading);
  confirmButton.disabled = true;
  cancelButton.disabled = true;
  popup.setAttribute('data-loading', true);
  popup.setAttribute('aria-busy', true);
  popup.focus();
};

var RESTORE_FOCUS_TIMEOUT = 100;

var globalState = {};
var focusPreviousActiveElement = function focusPreviousActiveElement() {
  if (globalState.previousActiveElement && globalState.previousActiveElement.focus) {
    globalState.previousActiveElement.focus();
    globalState.previousActiveElement = null;
  } else if (document.body) {
    document.body.focus();
  }
}; // Restore previous active (focused) element


var restoreActiveElement = function restoreActiveElement() {
  return new Promise(function (resolve) {
    var x = window.scrollX;
    var y = window.scrollY;
    globalState.restoreFocusTimeout = setTimeout(function () {
      focusPreviousActiveElement();
      resolve();
    }, RESTORE_FOCUS_TIMEOUT); // issues/900

    if (typeof x !== 'undefined' && typeof y !== 'undefined') {
      // IE doesn't have scrollX/scrollY support
      window.scrollTo(x, y);
    }
  });
};

/**
 * If `timer` parameter is set, returns number of milliseconds of timer remained.
 * Otherwise, returns undefined.
 */

var getTimerLeft = function getTimerLeft() {
  return globalState.timeout && globalState.timeout.getTimerLeft();
};
/**
 * Stop timer. Returns number of milliseconds of timer remained.
 * If `timer` parameter isn't set, returns undefined.
 */

var stopTimer = function stopTimer() {
  return globalState.timeout && globalState.timeout.stop();
};
/**
 * Resume timer. Returns number of milliseconds of timer remained.
 * If `timer` parameter isn't set, returns undefined.
 */

var resumeTimer = function resumeTimer() {
  return globalState.timeout && globalState.timeout.start();
};
/**
 * Resume timer. Returns number of milliseconds of timer remained.
 * If `timer` parameter isn't set, returns undefined.
 */

var toggleTimer = function toggleTimer() {
  var timer = globalState.timeout;
  return timer && (timer.running ? timer.stop() : timer.start());
};
/**
 * Increase timer. Returns number of milliseconds of an updated timer.
 * If `timer` parameter isn't set, returns undefined.
 */

var increaseTimer = function increaseTimer(n) {
  return globalState.timeout && globalState.timeout.increase(n);
};
/**
 * Check if timer is running. Returns true if timer is running
 * or false if timer is paused or stopped.
 * If `timer` parameter isn't set, returns undefined
 */

var isTimerRunning = function isTimerRunning() {
  return globalState.timeout && globalState.timeout.isRunning();
};

var defaultParams = {
  title: '',
  titleText: '',
  text: '',
  html: '',
  footer: '',
  type: null,
  toast: false,
  customClass: '',
  customContainerClass: '',
  target: 'body',
  backdrop: true,
  animation: true,
  heightAuto: true,
  allowOutsideClick: true,
  allowEscapeKey: true,
  allowEnterKey: true,
  stopKeydownPropagation: true,
  keydownListenerCapture: false,
  showConfirmButton: true,
  showCancelButton: false,
  preConfirm: null,
  confirmButtonText: 'OK',
  confirmButtonAriaLabel: '',
  confirmButtonColor: null,
  confirmButtonClass: '',
  cancelButtonText: 'Cancel',
  cancelButtonAriaLabel: '',
  cancelButtonColor: null,
  cancelButtonClass: '',
  buttonsStyling: true,
  reverseButtons: false,
  focusConfirm: true,
  focusCancel: false,
  showCloseButton: false,
  closeButtonHtml: '&times;',
  closeButtonAriaLabel: 'Close this dialog',
  showLoaderOnConfirm: false,
  imageUrl: null,
  imageWidth: null,
  imageHeight: null,
  imageAlt: '',
  imageClass: '',
  timer: null,
  width: null,
  padding: null,
  background: null,
  input: null,
  inputPlaceholder: '',
  inputValue: '',
  inputOptions: {},
  inputAutoTrim: true,
  inputClass: '',
  inputAttributes: {},
  inputValidator: null,
  validationMessage: null,
  grow: false,
  position: 'center',
  progressSteps: [],
  currentProgressStep: null,
  progressStepsDistance: null,
  onBeforeOpen: null,
  onOpen: null,
  onRender: null,
  onClose: null,
  onAfterClose: null,
  scrollbarPadding: true
};
var updatableParams = ['title', 'titleText', 'text', 'html', 'type', 'customClass', 'showConfirmButton', 'showCancelButton', 'confirmButtonText', 'confirmButtonAriaLabel', 'confirmButtonColor', 'confirmButtonClass', 'cancelButtonText', 'cancelButtonAriaLabel', 'cancelButtonColor', 'cancelButtonClass', 'buttonsStyling', 'reverseButtons', 'imageUrl', 'imageWidth', 'imageHeigth', 'imageAlt', 'imageClass', 'progressSteps', 'currentProgressStep'];
var deprecatedParams = {
  customContainerClass: 'customClass',
  confirmButtonClass: 'customClass',
  cancelButtonClass: 'customClass',
  imageClass: 'customClass',
  inputClass: 'customClass'
};
var toastIncompatibleParams = ['allowOutsideClick', 'allowEnterKey', 'backdrop', 'focusConfirm', 'focusCancel', 'heightAuto', 'keydownListenerCapture'];
/**
 * Is valid parameter
 * @param {String} paramName
 */

var isValidParameter = function isValidParameter(paramName) {
  return Object.prototype.hasOwnProperty.call(defaultParams, paramName);
};
/**
 * Is valid parameter for Swal.update() method
 * @param {String} paramName
 */

var isUpdatableParameter = function isUpdatableParameter(paramName) {
  return updatableParams.indexOf(paramName) !== -1;
};
/**
 * Is deprecated parameter
 * @param {String} paramName
 */

var isDeprecatedParameter = function isDeprecatedParameter(paramName) {
  return deprecatedParams[paramName];
};

var checkIfParamIsValid = function checkIfParamIsValid(param) {
  if (!isValidParameter(param)) {
    warn("Unknown parameter \"".concat(param, "\""));
  }
};

var checkIfToastParamIsValid = function checkIfToastParamIsValid(param) {
  if (toastIncompatibleParams.indexOf(param) !== -1) {
    warn("The parameter \"".concat(param, "\" is incompatible with toasts"));
  }
};

var checkIfParamIsDeprecated = function checkIfParamIsDeprecated(param) {
  if (isDeprecatedParameter(param)) {
    warnAboutDepreation(param, isDeprecatedParameter(param));
  }
};
/**
 * Show relevant warnings for given params
 *
 * @param params
 */


var showWarningsForParams = function showWarningsForParams(params) {
  for (var param in params) {
    checkIfParamIsValid(param);

    if (params.toast) {
      checkIfToastParamIsValid(param);
    }

    checkIfParamIsDeprecated();
  }
};



var staticMethods = Object.freeze({
	isValidParameter: isValidParameter,
	isUpdatableParameter: isUpdatableParameter,
	isDeprecatedParameter: isDeprecatedParameter,
	argsToParams: argsToParams,
	isVisible: isVisible$1,
	clickConfirm: clickConfirm,
	clickCancel: clickCancel,
	getContainer: getContainer,
	getPopup: getPopup,
	getTitle: getTitle,
	getContent: getContent,
	getImage: getImage,
	getIcon: getIcon,
	getIcons: getIcons,
	getCloseButton: getCloseButton,
	getActions: getActions,
	getConfirmButton: getConfirmButton,
	getCancelButton: getCancelButton,
	getHeader: getHeader,
	getFooter: getFooter,
	getFocusableElements: getFocusableElements,
	getValidationMessage: getValidationMessage,
	isLoading: isLoading,
	fire: fire,
	mixin: mixin,
	queue: queue,
	getQueueStep: getQueueStep,
	insertQueueStep: insertQueueStep,
	deleteQueueStep: deleteQueueStep,
	showLoading: showLoading,
	enableLoading: showLoading,
	getTimerLeft: getTimerLeft,
	stopTimer: stopTimer,
	resumeTimer: resumeTimer,
	toggleTimer: toggleTimer,
	increaseTimer: increaseTimer,
	isTimerRunning: isTimerRunning
});

/**
 * Enables buttons and hide loader.
 */

function hideLoading() {
  var innerParams = privateProps.innerParams.get(this);
  var domCache = privateProps.domCache.get(this);

  if (!innerParams.showConfirmButton) {
    hide(domCache.confirmButton);

    if (!innerParams.showCancelButton) {
      hide(domCache.actions);
    }
  }

  removeClass([domCache.popup, domCache.actions], swalClasses.loading);
  domCache.popup.removeAttribute('aria-busy');
  domCache.popup.removeAttribute('data-loading');
  domCache.confirmButton.disabled = false;
  domCache.cancelButton.disabled = false;
}

function getInput$1(instance) {
  var innerParams = privateProps.innerParams.get(instance || this);
  var domCache = privateProps.domCache.get(instance || this);

  if (!domCache) {
    return null;
  }

  return getInput(domCache.content, innerParams.input);
}

var fixScrollbar = function fixScrollbar() {
  // for queues, do not do this more than once
  if (states.previousBodyPadding !== null) {
    return;
  } // if the body has overflow


  if (document.body.scrollHeight > window.innerHeight) {
    // add padding so the content doesn't shift after removal of scrollbar
    states.previousBodyPadding = parseInt(window.getComputedStyle(document.body).getPropertyValue('padding-right'));
    document.body.style.paddingRight = states.previousBodyPadding + measureScrollbar() + 'px';
  }
};
var undoScrollbar = function undoScrollbar() {
  if (states.previousBodyPadding !== null) {
    document.body.style.paddingRight = states.previousBodyPadding + 'px';
    states.previousBodyPadding = null;
  }
};

/* istanbul ignore next */

var iOSfix = function iOSfix() {
  var iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream || navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1;

  if (iOS && !hasClass(document.body, swalClasses.iosfix)) {
    var offset = document.body.scrollTop;
    document.body.style.top = offset * -1 + 'px';
    addClass(document.body, swalClasses.iosfix);
    lockBodyScroll();
  }
};

var lockBodyScroll = function lockBodyScroll() {
  // #1246
  var container = getContainer();
  var preventTouchMove;

  container.ontouchstart = function (e) {
    preventTouchMove = e.target === container || !isScrollable(container) && e.target.tagName !== 'INPUT' // #1603
    ;
  };

  container.ontouchmove = function (e) {
    if (preventTouchMove) {
      e.preventDefault();
      e.stopPropagation();
    }
  };
};
/* istanbul ignore next */


var undoIOSfix = function undoIOSfix() {
  if (hasClass(document.body, swalClasses.iosfix)) {
    var offset = parseInt(document.body.style.top, 10);
    removeClass(document.body, swalClasses.iosfix);
    document.body.style.top = '';
    document.body.scrollTop = offset * -1;
  }
};

var isIE11 = function isIE11() {
  return !!window.MSInputMethodContext && !!document.documentMode;
}; // Fix IE11 centering sweetalert2/issues/933

/* istanbul ignore next */


var fixVerticalPositionIE = function fixVerticalPositionIE() {
  var container = getContainer();
  var popup = getPopup();
  container.style.removeProperty('align-items');

  if (popup.offsetTop < 0) {
    container.style.alignItems = 'flex-start';
  }
};
/* istanbul ignore next */


var IEfix = function IEfix() {
  if (typeof window !== 'undefined' && isIE11()) {
    fixVerticalPositionIE();
    window.addEventListener('resize', fixVerticalPositionIE);
  }
};
/* istanbul ignore next */

var undoIEfix = function undoIEfix() {
  if (typeof window !== 'undefined' && isIE11()) {
    window.removeEventListener('resize', fixVerticalPositionIE);
  }
};

// Adding aria-hidden="true" to elements outside of the active modal dialog ensures that
// elements not within the active modal dialog will not be surfaced if a user opens a screen
// reader’s list of elements (headings, form controls, landmarks, etc.) in the document.

var setAriaHidden = function setAriaHidden() {
  var bodyChildren = toArray(document.body.children);
  bodyChildren.forEach(function (el) {
    if (el === getContainer() || contains(el, getContainer())) {
      return;
    }

    if (el.hasAttribute('aria-hidden')) {
      el.setAttribute('data-previous-aria-hidden', el.getAttribute('aria-hidden'));
    }

    el.setAttribute('aria-hidden', 'true');
  });
};
var unsetAriaHidden = function unsetAriaHidden() {
  var bodyChildren = toArray(document.body.children);
  bodyChildren.forEach(function (el) {
    if (el.hasAttribute('data-previous-aria-hidden')) {
      el.setAttribute('aria-hidden', el.getAttribute('data-previous-aria-hidden'));
      el.removeAttribute('data-previous-aria-hidden');
    } else {
      el.removeAttribute('aria-hidden');
    }
  });
};

/**
 * This module containts `WeakMap`s for each effectively-"private  property" that a `Swal` has.
 * For example, to set the private property "foo" of `this` to "bar", you can `privateProps.foo.set(this, 'bar')`
 * This is the approach that Babel will probably take to implement private methods/fields
 *   https://github.com/tc39/proposal-private-methods
 *   https://github.com/babel/babel/pull/7555
 * Once we have the changes from that PR in Babel, and our core class fits reasonable in *one module*
 *   then we can use that language feature.
 */
var privateMethods = {
  swalPromiseResolve: new WeakMap()
};

/*
 * Instance method to close sweetAlert
 */

function removePopupAndResetState(instance, container, isToast, onAfterClose) {
  if (isToast) {
    triggerOnAfterCloseAndDispose(instance, onAfterClose);
  } else {
    restoreActiveElement().then(function () {
      return triggerOnAfterCloseAndDispose(instance, onAfterClose);
    });
    globalState.keydownTarget.removeEventListener('keydown', globalState.keydownHandler, {
      capture: globalState.keydownListenerCapture
    });
    globalState.keydownHandlerAdded = false;
  }

  if (container.parentNode) {
    container.parentNode.removeChild(container);
  }

  if (isModal()) {
    undoScrollbar();
    undoIOSfix();
    undoIEfix();
    unsetAriaHidden();
  }

  removeBodyClasses();
}

function removeBodyClasses() {
  removeClass([document.documentElement, document.body], [swalClasses.shown, swalClasses['height-auto'], swalClasses['no-backdrop'], swalClasses['toast-shown'], swalClasses['toast-column']]);
}

function disposeSwal(instance) {
  // Unset this.params so GC will dispose it (#1569)
  delete instance.params; // Unset globalState props so GC will dispose globalState (#1569)

  delete globalState.keydownHandler;
  delete globalState.keydownTarget; // Unset WeakMaps so GC will be able to dispose them (#1569)

  unsetWeakMaps(privateProps);
  unsetWeakMaps(privateMethods);
}

function close(resolveValue) {
  var popup = getPopup();

  if (!popup || hasClass(popup, swalClasses.hide)) {
    return;
  }

  var innerParams = privateProps.innerParams.get(this);

  if (!innerParams) {
    return;
  }

  var swalPromiseResolve = privateMethods.swalPromiseResolve.get(this);
  removeClass(popup, swalClasses.show);
  addClass(popup, swalClasses.hide);
  handlePopupAnimation(this, popup, innerParams); // Resolve Swal promise

  swalPromiseResolve(resolveValue || {});
}

var handlePopupAnimation = function handlePopupAnimation(instance, popup, innerParams) {
  var container = getContainer(); // If animation is supported, animate

  var animationIsSupported = animationEndEvent && hasCssAnimation(popup);
  var onClose = innerParams.onClose,
      onAfterClose = innerParams.onAfterClose;

  if (onClose !== null && typeof onClose === 'function') {
    onClose(popup);
  }

  if (animationIsSupported) {
    animatePopup(instance, popup, container, onAfterClose);
  } else {
    // Otherwise, remove immediately
    removePopupAndResetState(instance, container, isToast(), onAfterClose);
  }
};

var animatePopup = function animatePopup(instance, popup, container, onAfterClose) {
  globalState.swalCloseEventFinishedCallback = removePopupAndResetState.bind(null, instance, container, isToast(), onAfterClose);
  popup.addEventListener(animationEndEvent, function (e) {
    if (e.target === popup) {
      globalState.swalCloseEventFinishedCallback();
      delete globalState.swalCloseEventFinishedCallback;
    }
  });
};

var unsetWeakMaps = function unsetWeakMaps(obj) {
  for (var i in obj) {
    obj[i] = new WeakMap();
  }
};

var triggerOnAfterCloseAndDispose = function triggerOnAfterCloseAndDispose(instance, onAfterClose) {
  setTimeout(function () {
    if (onAfterClose !== null && typeof onAfterClose === 'function') {
      onAfterClose();
    }

    if (!getPopup()) {
      disposeSwal(instance);
    }
  });
};

function setButtonsDisabled(instance, buttons, disabled) {
  var domCache = privateProps.domCache.get(instance);
  buttons.forEach(function (button) {
    domCache[button].disabled = disabled;
  });
}

function setInputDisabled(input, disabled) {
  if (!input) {
    return false;
  }

  if (input.type === 'radio') {
    var radiosContainer = input.parentNode.parentNode;
    var radios = radiosContainer.querySelectorAll('input');

    for (var i = 0; i < radios.length; i++) {
      radios[i].disabled = disabled;
    }
  } else {
    input.disabled = disabled;
  }
}

function enableButtons() {
  setButtonsDisabled(this, ['confirmButton', 'cancelButton'], false);
}
function disableButtons() {
  setButtonsDisabled(this, ['confirmButton', 'cancelButton'], true);
} // @deprecated

function enableConfirmButton() {
  warnAboutDepreation('Swal.enableConfirmButton()', "Swal.getConfirmButton().removeAttribute('disabled')");
  setButtonsDisabled(this, ['confirmButton'], false);
} // @deprecated

function disableConfirmButton() {
  warnAboutDepreation('Swal.disableConfirmButton()', "Swal.getConfirmButton().setAttribute('disabled', '')");
  setButtonsDisabled(this, ['confirmButton'], true);
}
function enableInput() {
  return setInputDisabled(this.getInput(), false);
}
function disableInput() {
  return setInputDisabled(this.getInput(), true);
}

function showValidationMessage(error) {
  var domCache = privateProps.domCache.get(this);
  domCache.validationMessage.innerHTML = error;
  var popupComputedStyle = window.getComputedStyle(domCache.popup);
  domCache.validationMessage.style.marginLeft = "-".concat(popupComputedStyle.getPropertyValue('padding-left'));
  domCache.validationMessage.style.marginRight = "-".concat(popupComputedStyle.getPropertyValue('padding-right'));
  show(domCache.validationMessage);
  var input = this.getInput();

  if (input) {
    input.setAttribute('aria-invalid', true);
    input.setAttribute('aria-describedBy', swalClasses['validation-message']);
    focusInput(input);
    addClass(input, swalClasses.inputerror);
  }
} // Hide block with validation message

function resetValidationMessage$1() {
  var domCache = privateProps.domCache.get(this);

  if (domCache.validationMessage) {
    hide(domCache.validationMessage);
  }

  var input = this.getInput();

  if (input) {
    input.removeAttribute('aria-invalid');
    input.removeAttribute('aria-describedBy');
    removeClass(input, swalClasses.inputerror);
  }
}

function getProgressSteps$1() {
  warnAboutDepreation('Swal.getProgressSteps()', "const swalInstance = Swal.fire({progressSteps: ['1', '2', '3']}); const progressSteps = swalInstance.params.progressSteps");
  var innerParams = privateProps.innerParams.get(this);
  return innerParams.progressSteps;
}
function setProgressSteps(progressSteps) {
  warnAboutDepreation('Swal.setProgressSteps()', 'Swal.update()');
  var innerParams = privateProps.innerParams.get(this);

  var updatedParams = _extends({}, innerParams, {
    progressSteps: progressSteps
  });

  renderProgressSteps(this, updatedParams);
  privateProps.innerParams.set(this, updatedParams);
}
function showProgressSteps() {
  var domCache = privateProps.domCache.get(this);
  show(domCache.progressSteps);
}
function hideProgressSteps() {
  var domCache = privateProps.domCache.get(this);
  hide(domCache.progressSteps);
}

var Timer =
/*#__PURE__*/
function () {
  function Timer(callback, delay) {
    _classCallCheck(this, Timer);

    this.callback = callback;
    this.remaining = delay;
    this.running = false;
    this.start();
  }

  _createClass(Timer, [{
    key: "start",
    value: function start() {
      if (!this.running) {
        this.running = true;
        this.started = new Date();
        this.id = setTimeout(this.callback, this.remaining);
      }

      return this.remaining;
    }
  }, {
    key: "stop",
    value: function stop() {
      if (this.running) {
        this.running = false;
        clearTimeout(this.id);
        this.remaining -= new Date() - this.started;
      }

      return this.remaining;
    }
  }, {
    key: "increase",
    value: function increase(n) {
      var running = this.running;

      if (running) {
        this.stop();
      }

      this.remaining += n;

      if (running) {
        this.start();
      }

      return this.remaining;
    }
  }, {
    key: "getTimerLeft",
    value: function getTimerLeft() {
      if (this.running) {
        this.stop();
        this.start();
      }

      return this.remaining;
    }
  }, {
    key: "isRunning",
    value: function isRunning() {
      return this.running;
    }
  }]);

  return Timer;
}();

var defaultInputValidators = {
  email: function email(string, validationMessage) {
    return /^[a-zA-Z0-9.+_-]+@[a-zA-Z0-9.-]+\.[a-zA-Z0-9-]{2,24}$/.test(string) ? Promise.resolve() : Promise.resolve(validationMessage || 'Invalid email address');
  },
  url: function url(string, validationMessage) {
    // taken from https://stackoverflow.com/a/3809435 with a small change from #1306
    return /^https?:\/\/(www\.)?[-a-zA-Z0-9@:%._+~#=]{2,256}\.[a-z]{2,63}\b([-a-zA-Z0-9@:%_+.~#?&/=]*)$/.test(string) ? Promise.resolve() : Promise.resolve(validationMessage || 'Invalid URL');
  }
};

function setDefaultInputValidators(params) {
  // Use default `inputValidator` for supported input types if not provided
  if (!params.inputValidator) {
    Object.keys(defaultInputValidators).forEach(function (key) {
      if (params.input === key) {
        params.inputValidator = defaultInputValidators[key];
      }
    });
  }
}

function validateCustomTargetElement(params) {
  // Determine if the custom target element is valid
  if (!params.target || typeof params.target === 'string' && !document.querySelector(params.target) || typeof params.target !== 'string' && !params.target.appendChild) {
    warn('Target parameter is not valid, defaulting to "body"');
    params.target = 'body';
  }
}
/**
 * Set type, text and actions on popup
 *
 * @param params
 * @returns {boolean}
 */


function setParameters(params) {
  setDefaultInputValidators(params); // showLoaderOnConfirm && preConfirm

  if (params.showLoaderOnConfirm && !params.preConfirm) {
    warn('showLoaderOnConfirm is set to true, but preConfirm is not defined.\n' + 'showLoaderOnConfirm should be used together with preConfirm, see usage example:\n' + 'https://sweetalert2.github.io/#ajax-request');
  } // params.animation will be actually used in renderPopup.js
  // but in case when params.animation is a function, we need to call that function
  // before popup (re)initialization, so it'll be possible to check Swal.isVisible()
  // inside the params.animation function


  params.animation = callIfFunction(params.animation);
  validateCustomTargetElement(params); // Replace newlines with <br> in title

  if (typeof params.title === 'string') {
    params.title = params.title.split('\n').join('<br />');
  }

  init(params);
}

function swalOpenAnimationFinished(popup, container) {
  popup.removeEventListener(animationEndEvent, swalOpenAnimationFinished);
  container.style.overflowY = 'auto';
}
/**
 * Open popup, add necessary classes and styles, fix scrollbar
 *
 * @param {Array} params
 */


var openPopup = function openPopup(params) {
  var container = getContainer();
  var popup = getPopup();

  if (typeof params.onBeforeOpen === 'function') {
    params.onBeforeOpen(popup);
  }

  addClasses(container, popup, params); // scrolling is 'hidden' until animation is done, after that 'auto'

  setScrollingVisibility(container, popup);

  if (isModal()) {
    fixScrollContainer(container, params.scrollbarPadding);
  }

  if (!isToast() && !globalState.previousActiveElement) {
    globalState.previousActiveElement = document.activeElement;
  }

  if (typeof params.onOpen === 'function') {
    setTimeout(function () {
      return params.onOpen(popup);
    });
  }
};

var setScrollingVisibility = function setScrollingVisibility(container, popup) {
  if (animationEndEvent && hasCssAnimation(popup)) {
    container.style.overflowY = 'hidden';
    popup.addEventListener(animationEndEvent, swalOpenAnimationFinished.bind(null, popup, container));
  } else {
    container.style.overflowY = 'auto';
  }
};

var fixScrollContainer = function fixScrollContainer(container, scrollbarPadding) {
  iOSfix();
  IEfix();
  setAriaHidden();

  if (scrollbarPadding) {
    fixScrollbar();
  } // sweetalert2/issues/1247


  setTimeout(function () {
    container.scrollTop = 0;
  });
};

var addClasses = function addClasses(container, popup, params) {
  if (params.animation) {
    addClass(popup, swalClasses.show);
  }

  show(popup);
  addClass([document.documentElement, document.body, container], swalClasses.shown);

  if (params.heightAuto && params.backdrop && !params.toast) {
    addClass([document.documentElement, document.body], swalClasses['height-auto']);
  }
};

var handleInputOptionsAndValue = function handleInputOptionsAndValue(instance, params) {
  if (params.input === 'select' || params.input === 'radio') {
    handleInputOptions(instance, params);
  } else if (['text', 'email', 'number', 'tel', 'textarea'].indexOf(params.input) !== -1 && isPromise(params.inputValue)) {
    handleInputValue(instance, params);
  }
};
var getInputValue = function getInputValue(instance, innerParams) {
  var input = instance.getInput();

  if (!input) {
    return null;
  }

  switch (innerParams.input) {
    case 'checkbox':
      return getCheckboxValue(input);

    case 'radio':
      return getRadioValue(input);

    case 'file':
      return getFileValue(input);

    default:
      return innerParams.inputAutoTrim ? input.value.trim() : input.value;
  }
};

var getCheckboxValue = function getCheckboxValue(input) {
  return input.checked ? 1 : 0;
};

var getRadioValue = function getRadioValue(input) {
  return input.checked ? input.value : null;
};

var getFileValue = function getFileValue(input) {
  return input.files.length ? input.getAttribute('multiple') !== null ? input.files : input.files[0] : null;
};

var handleInputOptions = function handleInputOptions(instance, params) {
  var content = getContent();

  var processInputOptions = function processInputOptions(inputOptions) {
    return populateInputOptions[params.input](content, formatInputOptions(inputOptions), params);
  };

  if (isPromise(params.inputOptions)) {
    showLoading();
    params.inputOptions.then(function (inputOptions) {
      instance.hideLoading();
      processInputOptions(inputOptions);
    });
  } else if (_typeof(params.inputOptions) === 'object') {
    processInputOptions(params.inputOptions);
  } else {
    error("Unexpected type of inputOptions! Expected object, Map or Promise, got ".concat(_typeof(params.inputOptions)));
  }
};

var handleInputValue = function handleInputValue(instance, params) {
  var input = instance.getInput();
  hide(input);
  params.inputValue.then(function (inputValue) {
    input.value = params.input === 'number' ? parseFloat(inputValue) || 0 : inputValue + '';
    show(input);
    input.focus();
    instance.hideLoading();
  })["catch"](function (err) {
    error('Error in inputValue promise: ' + err);
    input.value = '';
    show(input);
    input.focus();
    instance.hideLoading();
  });
};

var populateInputOptions = {
  select: function select(content, inputOptions, params) {
    var select = getChildByClass(content, swalClasses.select);
    inputOptions.forEach(function (inputOption) {
      var optionValue = inputOption[0];
      var optionLabel = inputOption[1];
      var option = document.createElement('option');
      option.value = optionValue;
      option.innerHTML = optionLabel;

      if (params.inputValue.toString() === optionValue.toString()) {
        option.selected = true;
      }

      select.appendChild(option);
    });
    select.focus();
  },
  radio: function radio(content, inputOptions, params) {
    var radio = getChildByClass(content, swalClasses.radio);
    inputOptions.forEach(function (inputOption) {
      var radioValue = inputOption[0];
      var radioLabel = inputOption[1];
      var radioInput = document.createElement('input');
      var radioLabelElement = document.createElement('label');
      radioInput.type = 'radio';
      radioInput.name = swalClasses.radio;
      radioInput.value = radioValue;

      if (params.inputValue.toString() === radioValue.toString()) {
        radioInput.checked = true;
      }

      var label = document.createElement('span');
      label.innerHTML = radioLabel;
      label.className = swalClasses.label;
      radioLabelElement.appendChild(radioInput);
      radioLabelElement.appendChild(label);
      radio.appendChild(radioLabelElement);
    });
    var radios = radio.querySelectorAll('input');

    if (radios.length) {
      radios[0].focus();
    }
  }
};
/**
 * Converts `inputOptions` into an array of `[value, label]`s
 * @param inputOptions
 */

var formatInputOptions = function formatInputOptions(inputOptions) {
  var result = [];

  if (typeof Map !== 'undefined' && inputOptions instanceof Map) {
    inputOptions.forEach(function (value, key) {
      result.push([key, value]);
    });
  } else {
    Object.keys(inputOptions).forEach(function (key) {
      result.push([key, inputOptions[key]]);
    });
  }

  return result;
};

var handleConfirmButtonClick = function handleConfirmButtonClick(instance, innerParams) {
  instance.disableButtons();

  if (innerParams.input) {
    handleConfirmWithInput(instance, innerParams);
  } else {
    confirm(instance, innerParams, true);
  }
};
var handleCancelButtonClick = function handleCancelButtonClick(instance, dismissWith) {
  instance.disableButtons();
  dismissWith(DismissReason.cancel);
};

var handleConfirmWithInput = function handleConfirmWithInput(instance, innerParams) {
  var inputValue = getInputValue(instance, innerParams);

  if (innerParams.inputValidator) {
    instance.disableInput();
    var validationPromise = Promise.resolve().then(function () {
      return innerParams.inputValidator(inputValue, innerParams.validationMessage);
    });
    validationPromise.then(function (validationMessage) {
      instance.enableButtons();
      instance.enableInput();

      if (validationMessage) {
        instance.showValidationMessage(validationMessage);
      } else {
        confirm(instance, innerParams, inputValue);
      }
    });
  } else if (!instance.getInput().checkValidity()) {
    instance.enableButtons();
    instance.showValidationMessage(innerParams.validationMessage);
  } else {
    confirm(instance, innerParams, inputValue);
  }
};

var succeedWith = function succeedWith(instance, value) {
  instance.closePopup({
    value: value
  });
};

var confirm = function confirm(instance, innerParams, value) {
  if (innerParams.showLoaderOnConfirm) {
    showLoading(); // TODO: make showLoading an *instance* method
  }

  if (innerParams.preConfirm) {
    instance.resetValidationMessage();
    var preConfirmPromise = Promise.resolve().then(function () {
      return innerParams.preConfirm(value, innerParams.validationMessage);
    });
    preConfirmPromise.then(function (preConfirmValue) {
      if (isVisible(getValidationMessage()) || preConfirmValue === false) {
        instance.hideLoading();
      } else {
        succeedWith(instance, typeof preConfirmValue === 'undefined' ? value : preConfirmValue);
      }
    });
  } else {
    succeedWith(instance, value);
  }
};

var addKeydownHandler = function addKeydownHandler(instance, globalState, innerParams, dismissWith) {
  if (globalState.keydownTarget && globalState.keydownHandlerAdded) {
    globalState.keydownTarget.removeEventListener('keydown', globalState.keydownHandler, {
      capture: globalState.keydownListenerCapture
    });
    globalState.keydownHandlerAdded = false;
  }

  if (!innerParams.toast) {
    globalState.keydownHandler = function (e) {
      return keydownHandler(instance, e, innerParams, dismissWith);
    };

    globalState.keydownTarget = innerParams.keydownListenerCapture ? window : getPopup();
    globalState.keydownListenerCapture = innerParams.keydownListenerCapture;
    globalState.keydownTarget.addEventListener('keydown', globalState.keydownHandler, {
      capture: globalState.keydownListenerCapture
    });
    globalState.keydownHandlerAdded = true;
  }
}; // Focus handling

var setFocus = function setFocus(innerParams, index, increment) {
  var focusableElements = getFocusableElements(); // search for visible elements and select the next possible match

  for (var i = 0; i < focusableElements.length; i++) {
    index = index + increment; // rollover to first item

    if (index === focusableElements.length) {
      index = 0; // go to last item
    } else if (index === -1) {
      index = focusableElements.length - 1;
    }

    return focusableElements[index].focus();
  } // no visible focusable elements, focus the popup


  getPopup().focus();
};
var arrowKeys = ['ArrowLeft', 'ArrowRight', 'ArrowUp', 'ArrowDown', 'Left', 'Right', 'Up', 'Down' // IE11
];
var escKeys = ['Escape', 'Esc' // IE11
];

var keydownHandler = function keydownHandler(instance, e, innerParams, dismissWith) {
  if (innerParams.stopKeydownPropagation) {
    e.stopPropagation();
  } // ENTER


  if (e.key === 'Enter') {
    handleEnter(instance, e, innerParams); // TAB
  } else if (e.key === 'Tab') {
    handleTab(e, innerParams); // ARROWS - switch focus between buttons
  } else if (arrowKeys.indexOf(e.key) !== -1) {
    handleArrows(); // ESC
  } else if (escKeys.indexOf(e.key) !== -1) {
    handleEsc(e, innerParams, dismissWith);
  }
};

var handleEnter = function handleEnter(instance, e, innerParams) {
  // #720 #721
  if (e.isComposing) {
    return;
  }

  if (e.target && instance.getInput() && e.target.outerHTML === instance.getInput().outerHTML) {
    if (['textarea', 'file'].indexOf(innerParams.input) !== -1) {
      return; // do not submit
    }

    clickConfirm();
    e.preventDefault();
  }
};

var handleTab = function handleTab(e, innerParams) {
  var targetElement = e.target;
  var focusableElements = getFocusableElements();
  var btnIndex = -1;

  for (var i = 0; i < focusableElements.length; i++) {
    if (targetElement === focusableElements[i]) {
      btnIndex = i;
      break;
    }
  }

  if (!e.shiftKey) {
    // Cycle to the next button
    setFocus(innerParams, btnIndex, 1);
  } else {
    // Cycle to the prev button
    setFocus(innerParams, btnIndex, -1);
  }

  e.stopPropagation();
  e.preventDefault();
};

var handleArrows = function handleArrows() {
  var confirmButton = getConfirmButton();
  var cancelButton = getCancelButton(); // focus Cancel button if Confirm button is currently focused

  if (document.activeElement === confirmButton && isVisible(cancelButton)) {
    cancelButton.focus(); // and vice versa
  } else if (document.activeElement === cancelButton && isVisible(confirmButton)) {
    confirmButton.focus();
  }
};

var handleEsc = function handleEsc(e, innerParams, dismissWith) {
  if (callIfFunction(innerParams.allowEscapeKey)) {
    e.preventDefault();
    dismissWith(DismissReason.esc);
  }
};

var handlePopupClick = function handlePopupClick(domCache, innerParams, dismissWith) {
  if (innerParams.toast) {
    handleToastClick(domCache, innerParams, dismissWith);
  } else {
    // Ignore click events that had mousedown on the popup but mouseup on the container
    // This can happen when the user drags a slider
    handleModalMousedown(domCache); // Ignore click events that had mousedown on the container but mouseup on the popup

    handleContainerMousedown(domCache);
    handleModalClick(domCache, innerParams, dismissWith);
  }
};

var handleToastClick = function handleToastClick(domCache, innerParams, dismissWith) {
  // Closing toast by internal click
  domCache.popup.onclick = function () {
    if (innerParams.showConfirmButton || innerParams.showCancelButton || innerParams.showCloseButton || innerParams.input) {
      return;
    }

    dismissWith(DismissReason.close);
  };
};

var ignoreOutsideClick = false;

var handleModalMousedown = function handleModalMousedown(domCache) {
  domCache.popup.onmousedown = function () {
    domCache.container.onmouseup = function (e) {
      domCache.container.onmouseup = undefined; // We only check if the mouseup target is the container because usually it doesn't
      // have any other direct children aside of the popup

      if (e.target === domCache.container) {
        ignoreOutsideClick = true;
      }
    };
  };
};

var handleContainerMousedown = function handleContainerMousedown(domCache) {
  domCache.container.onmousedown = function () {
    domCache.popup.onmouseup = function (e) {
      domCache.popup.onmouseup = undefined; // We also need to check if the mouseup target is a child of the popup

      if (e.target === domCache.popup || domCache.popup.contains(e.target)) {
        ignoreOutsideClick = true;
      }
    };
  };
};

var handleModalClick = function handleModalClick(domCache, innerParams, dismissWith) {
  domCache.container.onclick = function (e) {
    if (ignoreOutsideClick) {
      ignoreOutsideClick = false;
      return;
    }

    if (e.target === domCache.container && callIfFunction(innerParams.allowOutsideClick)) {
      dismissWith(DismissReason.backdrop);
    }
  };
};

function _main(userParams) {
  showWarningsForParams(userParams); // Check if there is another Swal closing

  if (getPopup() && globalState.swalCloseEventFinishedCallback) {
    globalState.swalCloseEventFinishedCallback();
    delete globalState.swalCloseEventFinishedCallback;
  } // Check if there is a swal disposal defer timer


  if (globalState.deferDisposalTimer) {
    clearTimeout(globalState.deferDisposalTimer);
    delete globalState.deferDisposalTimer;
  }

  var innerParams = _extends({}, defaultParams, userParams);

  setParameters(innerParams);
  Object.freeze(innerParams); // clear the previous timer

  if (globalState.timeout) {
    globalState.timeout.stop();
    delete globalState.timeout;
  } // clear the restore focus timeout


  clearTimeout(globalState.restoreFocusTimeout);
  var domCache = populateDomCache(this);
  render(this, innerParams);
  privateProps.innerParams.set(this, innerParams);
  return swalPromise(this, domCache, innerParams);
}

var swalPromise = function swalPromise(instance, domCache, innerParams) {
  return new Promise(function (resolve) {
    // functions to handle all closings/dismissals
    var dismissWith = function dismissWith(dismiss) {
      instance.closePopup({
        dismiss: dismiss
      });
    };

    privateMethods.swalPromiseResolve.set(instance, resolve);
    setupTimer(globalState, innerParams, dismissWith);

    domCache.confirmButton.onclick = function () {
      return handleConfirmButtonClick(instance, innerParams);
    };

    domCache.cancelButton.onclick = function () {
      return handleCancelButtonClick(instance, dismissWith);
    };

    domCache.closeButton.onclick = function () {
      return dismissWith(DismissReason.close);
    };

    handlePopupClick(domCache, innerParams, dismissWith);
    addKeydownHandler(instance, globalState, innerParams, dismissWith);

    if (innerParams.toast && (innerParams.input || innerParams.footer || innerParams.showCloseButton)) {
      addClass(document.body, swalClasses['toast-column']);
    } else {
      removeClass(document.body, swalClasses['toast-column']);
    }

    handleInputOptionsAndValue(instance, innerParams);
    openPopup(innerParams);
    initFocus(domCache, innerParams); // Scroll container to top on open (#1247)

    domCache.container.scrollTop = 0;
  });
};

var populateDomCache = function populateDomCache(instance) {
  var domCache = {
    popup: getPopup(),
    container: getContainer(),
    content: getContent(),
    actions: getActions(),
    confirmButton: getConfirmButton(),
    cancelButton: getCancelButton(),
    closeButton: getCloseButton(),
    validationMessage: getValidationMessage(),
    progressSteps: getProgressSteps()
  };
  privateProps.domCache.set(instance, domCache);
  return domCache;
};

var setupTimer = function setupTimer(globalState$$1, innerParams, dismissWith) {
  if (innerParams.timer) {
    globalState$$1.timeout = new Timer(function () {
      dismissWith('timer');
      delete globalState$$1.timeout;
    }, innerParams.timer);
  }
};

var initFocus = function initFocus(domCache, innerParams) {
  if (innerParams.toast) {
    return;
  }

  if (!callIfFunction(innerParams.allowEnterKey)) {
    return blurActiveElement();
  }

  if (innerParams.focusCancel && isVisible(domCache.cancelButton)) {
    return domCache.cancelButton.focus();
  }

  if (innerParams.focusConfirm && isVisible(domCache.confirmButton)) {
    return domCache.confirmButton.focus();
  }

  setFocus(innerParams, -1, 1);
};

var blurActiveElement = function blurActiveElement() {
  if (document.activeElement && typeof document.activeElement.blur === 'function') {
    document.activeElement.blur();
  }
};

/**
 * Updates popup parameters.
 */

function update(params) {
  var popup = getPopup();

  if (!popup || hasClass(popup, swalClasses.hide)) {
    return warn("You're trying to update the closed or closing popup, that won't work. Use the update() method in preConfirm parameter or show a new popup.");
  }

  var validUpdatableParams = {}; // assign valid params from `params` to `defaults`

  Object.keys(params).forEach(function (param) {
    if (Swal.isUpdatableParameter(param)) {
      validUpdatableParams[param] = params[param];
    } else {
      warn("Invalid parameter to update: \"".concat(param, "\". Updatable params are listed here: https://github.com/sweetalert2/sweetalert2/blob/master/src/utils/params.js"));
    }
  });
  var innerParams = privateProps.innerParams.get(this);

  var updatedParams = _extends({}, innerParams, validUpdatableParams);

  render(this, updatedParams);
  privateProps.innerParams.set(this, updatedParams);
  Object.defineProperties(this, {
    params: {
      value: _extends({}, this.params, params),
      writable: false,
      enumerable: true
    }
  });
}



var instanceMethods = Object.freeze({
	hideLoading: hideLoading,
	disableLoading: hideLoading,
	getInput: getInput$1,
	close: close,
	closePopup: close,
	closeModal: close,
	closeToast: close,
	enableButtons: enableButtons,
	disableButtons: disableButtons,
	enableConfirmButton: enableConfirmButton,
	disableConfirmButton: disableConfirmButton,
	enableInput: enableInput,
	disableInput: disableInput,
	showValidationMessage: showValidationMessage,
	resetValidationMessage: resetValidationMessage$1,
	getProgressSteps: getProgressSteps$1,
	setProgressSteps: setProgressSteps,
	showProgressSteps: showProgressSteps,
	hideProgressSteps: hideProgressSteps,
	_main: _main,
	update: update
});

var currentInstance; // SweetAlert constructor

function SweetAlert() {
  // Prevent run in Node env

  /* istanbul ignore if */
  if (typeof window === 'undefined') {
    return;
  } // Check for the existence of Promise

  /* istanbul ignore if */


  if (typeof Promise === 'undefined') {
    error('This package requires a Promise library, please include a shim to enable it in this browser (See: https://github.com/sweetalert2/sweetalert2/wiki/Migration-from-SweetAlert-to-SweetAlert2#1-ie-support)');
  }

  currentInstance = this;

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

  var outerParams = Object.freeze(this.constructor.argsToParams(args));
  Object.defineProperties(this, {
    params: {
      value: outerParams,
      writable: false,
      enumerable: true,
      configurable: true
    }
  });

  var promise = this._main(this.params);

  privateProps.promise.set(this, promise);
} // `catch` cannot be the name of a module export, so we define our thenable methods here instead


SweetAlert.prototype.then = function (onFulfilled) {
  var promise = privateProps.promise.get(this);
  return promise.then(onFulfilled);
};

SweetAlert.prototype["finally"] = function (onFinally) {
  var promise = privateProps.promise.get(this);
  return promise["finally"](onFinally);
}; // Assign instance methods from src/instanceMethods/*.js to prototype


_extends(SweetAlert.prototype, instanceMethods); // Assign static methods from src/staticMethods/*.js to constructor


_extends(SweetAlert, staticMethods); // Proxy to instance methods to constructor, for now, for backwards compatibility


Object.keys(instanceMethods).forEach(function (key) {
  SweetAlert[key] = function () {
    if (currentInstance) {
      var _currentInstance;

      return (_currentInstance = currentInstance)[key].apply(_currentInstance, arguments);
    }
  };
});
SweetAlert.DismissReason = DismissReason;
SweetAlert.version = '8.19.0';

var Swal = SweetAlert;
Swal["default"] = Swal;

return Swal;

})));
if (typeof this !== 'undefined' && this.Sweetalert2){  this.swal = this.sweetAlert = this.Swal = this.SweetAlert = this.Sweetalert2}