alert.js

/*!
  * Bootstrap alert.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/data.js'), require('./dom/event-handler.js'), require('./dom/selector-engine.js')) :
  typeof define === 'function' && define.amd ? define(['./dom/data.js', './dom/event-handler.js', './dom/selector-engine.js'], factory) :
  (global = global || self, global.Alert = factory(global.Data, global.EventHandler, global.SelectorEngine));
}(this, function (Data, EventHandler, SelectorEngine) { 'use strict';

  Data = Data && Data.hasOwnProperty('default') ? Data['default'] : Data;
  EventHandler = EventHandler && EventHandler.hasOwnProperty('default') ? EventHandler['default'] : EventHandler;
  SelectorEngine = SelectorEngine && SelectorEngine.hasOwnProperty('default') ? SelectorEngine['default'] : SelectorEngine;

  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;
  }

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.3.1): util/index.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */
  var MILLISECONDS_MULTIPLIER = 1000;
  var TRANSITION_END = 'transitionend';
  var _window = window,
      jQuery = _window.jQuery; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

  var getSelectorFromElement = function getSelectorFromElement(element) {
    var selector = element.getAttribute('data-target');

    if (!selector || selector === '#') {
      var hrefAttr = element.getAttribute('href');
      selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : '';
    }

    try {
      return document.querySelector(selector) ? selector : null;
    } catch (error) {
      return null;
    }
  };

  var getTransitionDurationFromElement = function getTransitionDurationFromElement(element) {
    if (!element) {
      return 0;
    } // Get transition-duration of the element


    var _window$getComputedSt = window.getComputedStyle(element),
        transitionDuration = _window$getComputedSt.transitionDuration,
        transitionDelay = _window$getComputedSt.transitionDelay;

    var floatTransitionDuration = parseFloat(transitionDuration);
    var floatTransitionDelay = parseFloat(transitionDelay); // Return 0 if element or transition duration is not found

    if (!floatTransitionDuration && !floatTransitionDelay) {
      return 0;
    } // If multiple durations are defined, take the first


    transitionDuration = transitionDuration.split(',')[0];
    transitionDelay = transitionDelay.split(',')[0];
    return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
  };

  var triggerTransitionEnd = function triggerTransitionEnd(element) {
    var evt = document.createEvent('HTMLEvents');
    evt.initEvent(TRANSITION_END, true, true);
    element.dispatchEvent(evt);
  };

  var emulateTransitionEnd = function emulateTransitionEnd(element, duration) {
    var called = false;
    var durationPadding = 5;
    var emulatedDuration = duration + durationPadding;

    function listener() {
      called = true;
      element.removeEventListener(TRANSITION_END, listener);
    }

    element.addEventListener(TRANSITION_END, listener);
    setTimeout(function () {
      if (!called) {
        triggerTransitionEnd(element);
      }
    }, emulatedDuration);
  };

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'alert';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.alert';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var Selector = {
    DISMISS: '[data-dismiss="alert"]'
  };
  var Event = {
    CLOSE: "close" + EVENT_KEY,
    CLOSED: "closed" + EVENT_KEY,
    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
  };
  var ClassName = {
    ALERT: 'alert',
    FADE: 'fade',
    SHOW: 'show'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Alert =
  /*#__PURE__*/
  function () {
    function Alert(element) {
      this._element = element;

      if (this._element) {
        Data.setData(element, DATA_KEY, this);
      }
    } // Getters


    var _proto = Alert.prototype;

    // Public
    _proto.close = function close(element) {
      var rootElement = this._element;

      if (element) {
        rootElement = this._getRootElement(element);
      }

      var customEvent = this._triggerCloseEvent(rootElement);

      if (customEvent === null || customEvent.defaultPrevented) {
        return;
      }

      this._removeElement(rootElement);
    };

    _proto.dispose = function dispose() {
      Data.removeData(this._element, DATA_KEY);
      this._element = null;
    } // Private
    ;

    _proto._getRootElement = function _getRootElement(element) {
      var selector = getSelectorFromElement(element);
      var parent = false;

      if (selector) {
        parent = SelectorEngine.findOne(selector);
      }

      if (!parent) {
        parent = SelectorEngine.closest(element, "." + ClassName.ALERT);
      }

      return parent;
    };

    _proto._triggerCloseEvent = function _triggerCloseEvent(element) {
      return EventHandler.trigger(element, Event.CLOSE);
    };

    _proto._removeElement = function _removeElement(element) {
      var _this = this;

      element.classList.remove(ClassName.SHOW);

      if (!element.classList.contains(ClassName.FADE)) {
        this._destroyElement(element);

        return;
      }

      var transitionDuration = getTransitionDurationFromElement(element);
      EventHandler.one(element, TRANSITION_END, function (event) {
        return _this._destroyElement(element, event);
      });
      emulateTransitionEnd(element, transitionDuration);
    };

    _proto._destroyElement = function _destroyElement(element) {
      if (element.parentNode) {
        element.parentNode.removeChild(element);
      }

      EventHandler.trigger(element, Event.CLOSED);
    } // Static
    ;

    Alert._jQueryInterface = function _jQueryInterface(config) {
      return this.each(function () {
        var data = Data.getData(this, DATA_KEY);

        if (!data) {
          data = new Alert(this);
        }

        if (config === 'close') {
          data[config](this);
        }
      });
    };

    Alert._handleDismiss = function _handleDismiss(alertInstance) {
      return function (event) {
        if (event) {
          event.preventDefault();
        }

        alertInstance.close(this);
      };
    };

    Alert._getInstance = function _getInstance(element) {
      return Data.getData(element, DATA_KEY);
    };

    _createClass(Alert, null, [{
      key: "VERSION",
      get: function get() {
        return VERSION;
      }
    }]);

    return Alert;
  }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  EventHandler.on(document, Event.CLICK_DATA_API, Selector.DISMISS, Alert._handleDismiss(new Alert()));
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   * add .alert to jQuery only if jQuery is present
   */

  if (typeof jQuery !== 'undefined') {
    var JQUERY_NO_CONFLICT = jQuery.fn[NAME];
    jQuery.fn[NAME] = Alert._jQueryInterface;
    jQuery.fn[NAME].Constructor = Alert;

    jQuery.fn[NAME].noConflict = function () {
      jQuery.fn[NAME] = JQUERY_NO_CONFLICT;
      return Alert._jQueryInterface;
    };
  }

  return Alert;

}));
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