/*!
  * Bootstrap event-handler.js v5.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2023 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('../util/index.js')) :
  typeof define === 'function' && define.amd ? define(['../util/index'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.EventHandler = factory(global.Index));
})(this, (function (index_js) { 'use strict';

  function _unsupportedIterableToArray(o, minLen) {
    if (!o) return;
    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if (n === "Object" && o.constructor) n = o.constructor.name;
    if (n === "Map" || n === "Set") return Array.from(o);
    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
  }
  function _arrayLikeToArray(arr, len) {
    if (len == null || len > arr.length) len = arr.length;
    for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
    return arr2;
  }
  function _createForOfIteratorHelperLoose(o, allowArrayLike) {
    var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
    if (it) return (it = it.call(o)).next.bind(it);
    if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
      if (it) o = it;
      var i = 0;
      return function () {
        if (i >= o.length) return {
          done: true
        };
        return {
          done: false,
          value: o[i++]
        };
      };
    }
    throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
  }

  /**
   * Constants
   */

  var namespaceRegex = /[^.]*(?=\..*)\.|.*/;
  var stripNameRegex = /\..*/;
  var stripUidRegex = /::\d+$/;
  var eventRegistry = {}; // Events storage
  var uidEvent = 1;
  var customEvents = {
    mouseenter: 'mouseover',
    mouseleave: 'mouseout'
  };
  var nativeEvents = new Set(['click', 'dblclick', 'mouseup', 'mousedown', 'contextmenu', 'mousewheel', 'DOMMouseScroll', 'mouseover', 'mouseout', 'mousemove', 'selectstart', 'selectend', 'keydown', 'keypress', 'keyup', 'orientationchange', 'touchstart', 'touchmove', 'touchend', 'touchcancel', 'pointerdown', 'pointermove', 'pointerup', 'pointerleave', 'pointercancel', 'gesturestart', 'gesturechange', 'gestureend', 'focus', 'blur', 'change', 'reset', 'select', 'submit', 'focusin', 'focusout', 'load', 'unload', 'beforeunload', 'resize', 'move', 'DOMContentLoaded', 'readystatechange', 'error', 'abort', 'scroll']);

  /**
   * Private methods
   */

  function makeEventUid(element, uid) {
    return uid && uid + "::" + uidEvent++ || element.uidEvent || uidEvent++;
  }
  function getElementEvents(element) {
    var uid = makeEventUid(element);
    element.uidEvent = uid;
    eventRegistry[uid] = eventRegistry[uid] || {};
    return eventRegistry[uid];
  }
  function bootstrapHandler(element, fn) {
    return function handler(event) {
      hydrateObj(event, {
        delegateTarget: element
      });
      if (handler.oneOff) {
        EventHandler.off(element, event.type, fn);
      }
      return fn.apply(element, [event]);
    };
  }
  function bootstrapDelegationHandler(element, selector, fn) {
    return function handler(event) {
      var domElements = element.querySelectorAll(selector);
      for (var target = event.target; target && target !== this; target = target.parentNode) {
        for (var _iterator = _createForOfIteratorHelperLoose(domElements), _step; !(_step = _iterator()).done;) {
          var domElement = _step.value;
          if (domElement !== target) {
            continue;
          }
          hydrateObj(event, {
            delegateTarget: target
          });
          if (handler.oneOff) {
            EventHandler.off(element, event.type, selector, fn);
          }
          return fn.apply(target, [event]);
        }
      }
    };
  }
  function findHandler(events, callable, delegationSelector) {
    if (delegationSelector === void 0) {
      delegationSelector = null;
    }
    return Object.values(events).find(function (event) {
      return event.callable === callable && event.delegationSelector === delegationSelector;
    });
  }
  function normalizeParameters(originalTypeEvent, handler, delegationFunction) {
    var isDelegated = typeof handler === 'string';
    // TODO: tooltip passes `false` instead of selector, so we need to check
    var callable = isDelegated ? delegationFunction : handler || delegationFunction;
    var typeEvent = getTypeEvent(originalTypeEvent);
    if (!nativeEvents.has(typeEvent)) {
      typeEvent = originalTypeEvent;
    }
    return [isDelegated, callable, typeEvent];
  }
  function addHandler(element, originalTypeEvent, handler, delegationFunction, oneOff) {
    if (typeof originalTypeEvent !== 'string' || !element) {
      return;
    }
    var _normalizeParameters = normalizeParameters(originalTypeEvent, handler, delegationFunction),
      isDelegated = _normalizeParameters[0],
      callable = _normalizeParameters[1],
      typeEvent = _normalizeParameters[2];

    // in case of mouseenter or mouseleave wrap the handler within a function that checks for its DOM position
    // this prevents the handler from being dispatched the same way as mouseover or mouseout does
    if (originalTypeEvent in customEvents) {
      var wrapFunction = function wrapFunction(fn) {
        return function (event) {
          if (!event.relatedTarget || event.relatedTarget !== event.delegateTarget && !event.delegateTarget.contains(event.relatedTarget)) {
            return fn.call(this, event);
          }
        };
      };
      callable = wrapFunction(callable);
    }
    var events = getElementEvents(element);
    var handlers = events[typeEvent] || (events[typeEvent] = {});
    var previousFunction = findHandler(handlers, callable, isDelegated ? handler : null);
    if (previousFunction) {
      previousFunction.oneOff = previousFunction.oneOff && oneOff;
      return;
    }
    var uid = makeEventUid(callable, originalTypeEvent.replace(namespaceRegex, ''));
    var fn = isDelegated ? bootstrapDelegationHandler(element, handler, callable) : bootstrapHandler(element, callable);
    fn.delegationSelector = isDelegated ? handler : null;
    fn.callable = callable;
    fn.oneOff = oneOff;
    fn.uidEvent = uid;
    handlers[uid] = fn;
    element.addEventListener(typeEvent, fn, isDelegated);
  }
  function removeHandler(element, events, typeEvent, handler, delegationSelector) {
    var fn = findHandler(events[typeEvent], handler, delegationSelector);
    if (!fn) {
      return;
    }
    element.removeEventListener(typeEvent, fn, Boolean(delegationSelector));
    delete events[typeEvent][fn.uidEvent];
  }
  function removeNamespacedHandlers(element, events, typeEvent, namespace) {
    var storeElementEvent = events[typeEvent] || {};
    for (var _i = 0, _Object$entries = Object.entries(storeElementEvent); _i < _Object$entries.length; _i++) {
      var _Object$entries$_i = _Object$entries[_i],
        handlerKey = _Object$entries$_i[0],
        event = _Object$entries$_i[1];
      if (handlerKey.includes(namespace)) {
        removeHandler(element, events, typeEvent, event.callable, event.delegationSelector);
      }
    }
  }
  function getTypeEvent(event) {
    // allow to get the native events from namespaced events ('click.bs.button' --> 'click')
    event = event.replace(stripNameRegex, '');
    return customEvents[event] || event;
  }
  var EventHandler = {
    on: function on(element, event, handler, delegationFunction) {
      addHandler(element, event, handler, delegationFunction, false);
    },
    one: function one(element, event, handler, delegationFunction) {
      addHandler(element, event, handler, delegationFunction, true);
    },
    off: function off(element, originalTypeEvent, handler, delegationFunction) {
      if (typeof originalTypeEvent !== 'string' || !element) {
        return;
      }
      var _normalizeParameters2 = normalizeParameters(originalTypeEvent, handler, delegationFunction),
        isDelegated = _normalizeParameters2[0],
        callable = _normalizeParameters2[1],
        typeEvent = _normalizeParameters2[2];
      var inNamespace = typeEvent !== originalTypeEvent;
      var events = getElementEvents(element);
      var storeElementEvent = events[typeEvent] || {};
      var isNamespace = originalTypeEvent.startsWith('.');
      if (typeof callable !== 'undefined') {
        // Simplest case: handler is passed, remove that listener ONLY.
        if (!Object.keys(storeElementEvent).length) {
          return;
        }
        removeHandler(element, events, typeEvent, callable, isDelegated ? handler : null);
        return;
      }
      if (isNamespace) {
        for (var _i2 = 0, _Object$keys = Object.keys(events); _i2 < _Object$keys.length; _i2++) {
          var elementEvent = _Object$keys[_i2];
          removeNamespacedHandlers(element, events, elementEvent, originalTypeEvent.slice(1));
        }
      }
      for (var _i3 = 0, _Object$entries2 = Object.entries(storeElementEvent); _i3 < _Object$entries2.length; _i3++) {
        var _Object$entries2$_i = _Object$entries2[_i3],
          keyHandlers = _Object$entries2$_i[0],
          event = _Object$entries2$_i[1];
        var handlerKey = keyHandlers.replace(stripUidRegex, '');
        if (!inNamespace || originalTypeEvent.includes(handlerKey)) {
          removeHandler(element, events, typeEvent, event.callable, event.delegationSelector);
        }
      }
    },
    trigger: function trigger(element, event, args) {
      if (typeof event !== 'string' || !element) {
        return null;
      }
      var $ = index_js.getjQuery();
      var typeEvent = getTypeEvent(event);
      var inNamespace = event !== typeEvent;
      var jQueryEvent = null;
      var bubbles = true;
      var nativeDispatch = true;
      var defaultPrevented = false;
      if (inNamespace && $) {
        jQueryEvent = $.Event(event, args);
        $(element).trigger(jQueryEvent);
        bubbles = !jQueryEvent.isPropagationStopped();
        nativeDispatch = !jQueryEvent.isImmediatePropagationStopped();
        defaultPrevented = jQueryEvent.isDefaultPrevented();
      }
      var evt = hydrateObj(new Event(event, {
        bubbles: bubbles,
        cancelable: true
      }), args);
      if (defaultPrevented) {
        evt.preventDefault();
      }
      if (nativeDispatch) {
        element.dispatchEvent(evt);
      }
      if (evt.defaultPrevented && jQueryEvent) {
        jQueryEvent.preventDefault();
      }
      return evt;
    }
  };
  function hydrateObj(obj, meta) {
    if (meta === void 0) {
      meta = {};
    }
    var _loop = function _loop() {
      var _Object$entries3$_i = _Object$entries3[_i4],
        key = _Object$entries3$_i[0],
        value = _Object$entries3$_i[1];
      try {
        obj[key] = value;
      } catch (_unused) {
        Object.defineProperty(obj, key, {
          configurable: true,
          get: function get() {
            return value;
          }
        });
      }
    };
    for (var _i4 = 0, _Object$entries3 = Object.entries(meta); _i4 < _Object$entries3.length; _i4++) {
      _loop();
    }
    return obj;
  }

  return EventHandler;

}));
//# sourceMappingURL=event-handler.js.map