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/*!
* metismenujs - v1.2.1
* MetisMenu: Collapsible menu plugin with Vanilla-JS
* https://github.com/onokumus/metismenujs#readme
*
* Made by Osman Nuri Okumus <onokumus@gmail.com> (https://github.com/onokumus)
* Under MIT License
*/
(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    (global = global || self, global.MetisMenu = factory());
}(this, (function () { 'use strict';

/*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */

var __assign = function() {
        __assign = Object.assign || function __assign(t) {
            for (var s, i = 1, n = arguments.length; i < n; i++) {
                s = arguments[i];
                for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
            }
            return t;
        };
        return __assign.apply(this, arguments);
    };

var Default = {
        parentTrigger: 'li',
        subMenu: 'ul',
        toggle: true,
        triggerElement: 'a',
    };
    var ClassName = {
        ACTIVE: 'mm-active',
        COLLAPSE: 'mm-collapse',
        COLLAPSED: 'mm-collapsed',
        COLLAPSING: 'mm-collapsing',
        METIS: 'metismenu',
        SHOW: 'mm-show',
    };

function matches(element, selector) {
        var nativeMatches = element.matches
            || element.webkitMatchesSelector
            || element.msMatchesSelector;
        return nativeMatches.call(element, selector);
    }
    function closest(element, selector) {
        if (element.closest) {
            return element.closest(selector);
        }
        var el = element;
        while (el) {
            if (matches(el, selector)) {
                return el;
            }
            el = el.parentElement;
        }
        return null;
    }

var MetisMenu = /** @class */ (function () {
        /**
         * Creates an instance of MetisMenu.
         *
         * @constructor
         * @param {Element | string} element
         * @param {IMMOptions} [options]
         * @memberof MetisMenu
         */
        function MetisMenu(element, options) {
            this.element = MetisMenu.isElement(element) ? element : document.querySelector(element);
            this.config = __assign(__assign({}, Default), options);
            this.disposed = false;
            this.triggerArr = [];
            this.init();
        }
        MetisMenu.attach = function (el, opt) {
            return new MetisMenu(el, opt);
        };
        MetisMenu.prototype.init = function () {
            var _this = this;
            var METIS = ClassName.METIS, ACTIVE = ClassName.ACTIVE, COLLAPSE = ClassName.COLLAPSE;
            this.element.classList.add(METIS);
            [].slice.call(this.element.querySelectorAll(this.config.subMenu)).forEach(function (ul) {
                ul.classList.add(COLLAPSE);
                var li = closest(ul, _this.config.parentTrigger);
                if (li === null || li === void 0 ? void 0 : li.classList.contains(ACTIVE)) {
                    _this.show(ul);
                }
                else {
                    _this.hide(ul);
                }
                var a = li === null || li === void 0 ? void 0 : li.querySelector(_this.config.triggerElement);
                if ((a === null || a === void 0 ? void 0 : a.getAttribute('aria-disabled')) === 'true') {
                    return;
                }
                a === null || a === void 0 ? void 0 : a.setAttribute('aria-expanded', 'false');
                a === null || a === void 0 ? void 0 : a.addEventListener('click', _this.clickEvent.bind(_this));
                _this.triggerArr.push(a);
            });
        };
        MetisMenu.prototype.clickEvent = function (evt) {
            if (!this.disposed) {
                var target = evt === null || evt === void 0 ? void 0 : evt.currentTarget;
                if (target && target.tagName === 'A') {
                    evt.preventDefault();
                }
                var li = closest(target, this.config.parentTrigger);
                var ul = li === null || li === void 0 ? void 0 : li.querySelector(this.config.subMenu);
                this.toggle(ul);
            }
        };
        MetisMenu.prototype.update = function () {
            this.disposed = false;
            this.init();
        };
        MetisMenu.prototype.dispose = function () {
            var _this = this;
            this.triggerArr.forEach(function (arr) {
                arr.removeEventListener('click', _this.clickEvent.bind(_this));
            });
            this.disposed = true;
        };
        MetisMenu.prototype.on = function (evtType, handler, options) {
            this.element.addEventListener(evtType, handler, options);
            return this;
        };
        MetisMenu.prototype.off = function (evtType, handler, options) {
            this.element.removeEventListener(evtType, handler, options);
            return this;
        };
        MetisMenu.prototype.emit = function (evtType, evtData, shouldBubble) {
            if (shouldBubble === void 0) { shouldBubble = false; }
            var evt;
            if (typeof CustomEvent === 'function') {
                evt = new CustomEvent(evtType, {
                    bubbles: shouldBubble,
                    detail: evtData,
                });
            }
            else {
                evt = document.createEvent('CustomEvent');
                evt.initCustomEvent(evtType, shouldBubble, false, evtData);
            }
            this.element.dispatchEvent(evt);
            return this;
        };
        MetisMenu.prototype.toggle = function (ul) {
            var li = closest(ul, this.config.parentTrigger);
            if (li === null || li === void 0 ? void 0 : li.classList.contains(ClassName.ACTIVE)) {
                this.hide(ul);
            }
            else {
                this.show(ul);
            }
        };
        MetisMenu.prototype.show = function (el) {
            var _this = this;
            var _a;
            var ul = el;
            var ACTIVE = ClassName.ACTIVE, COLLAPSE = ClassName.COLLAPSE, COLLAPSED = ClassName.COLLAPSED, COLLAPSING = ClassName.COLLAPSING, SHOW = ClassName.SHOW;
            if (this.isTransitioning || ul.classList.contains(COLLAPSING)) {
                return;
            }
            var complete = function () {
                ul.classList.remove(COLLAPSING);
                ul.style.height = '';
                ul.removeEventListener('transitionend', complete);
                _this.setTransitioning(false);
                _this.emit('shown.metisMenu', {
                    shownElement: ul,
                });
            };
            var li = closest(ul, this.config.parentTrigger);
            li === null || li === void 0 ? void 0 : li.classList.add(ACTIVE);
            var a = li === null || li === void 0 ? void 0 : li.querySelector(this.config.triggerElement);
            a === null || a === void 0 ? void 0 : a.setAttribute('aria-expanded', 'true');
            a === null || a === void 0 ? void 0 : a.classList.remove(COLLAPSED);
            ul.style.height = '0px';
            ul.classList.remove(COLLAPSE);
            ul.classList.remove(SHOW);
            ul.classList.add(COLLAPSING);
            var eleParentSiblins = [].slice
                .call((_a = li === null || li === void 0 ? void 0 : li.parentNode) === null || _a === void 0 ? void 0 : _a.children)
                .filter(function (c) { return c !== li; });
            if (this.config.toggle && eleParentSiblins.length > 0) {
                eleParentSiblins.forEach(function (sibli) {
                    var sibUl = sibli.querySelector(_this.config.subMenu);
                    if (sibUl) {
                        _this.hide(sibUl);
                    }
                });
            }
            this.setTransitioning(true);
            ul.classList.add(COLLAPSE);
            ul.classList.add(SHOW);
            ul.style.height = ul.scrollHeight + "px";
            this.emit('show.metisMenu', {
                showElement: ul,
            });
            ul.addEventListener('transitionend', complete);
        };
        MetisMenu.prototype.hide = function (el) {
            var _this = this;
            var ACTIVE = ClassName.ACTIVE, COLLAPSE = ClassName.COLLAPSE, COLLAPSED = ClassName.COLLAPSED, COLLAPSING = ClassName.COLLAPSING, SHOW = ClassName.SHOW;
            var ul = el;
            if (this.isTransitioning || !ul.classList.contains(SHOW)) {
                return;
            }
            this.emit('hide.metisMenu', {
                hideElement: ul,
            });
            var li = closest(ul, this.config.parentTrigger);
            li === null || li === void 0 ? void 0 : li.classList.remove(ACTIVE);
            var complete = function () {
                ul.classList.remove(COLLAPSING);
                ul.classList.add(COLLAPSE);
                ul.style.height = '';
                ul.removeEventListener('transitionend', complete);
                _this.setTransitioning(false);
                _this.emit('hidden.metisMenu', {
                    hiddenElement: ul,
                });
            };
            ul.style.height = ul.getBoundingClientRect().height + "px";
            ul.style.height = ul.offsetHeight + "px";
            ul.classList.add(COLLAPSING);
            ul.classList.remove(COLLAPSE);
            ul.classList.remove(SHOW);
            this.setTransitioning(true);
            ul.addEventListener('transitionend', complete);
            ul.style.height = '0px';
            var a = li === null || li === void 0 ? void 0 : li.querySelector(this.config.triggerElement);
            a === null || a === void 0 ? void 0 : a.setAttribute('aria-expanded', 'false');
            a === null || a === void 0 ? void 0 : a.classList.add(COLLAPSED);
        };
        MetisMenu.prototype.setTransitioning = function (isTransitioning) {
            this.isTransitioning = isTransitioning;
        };
        MetisMenu.isElement = function (element) {
            return Boolean(element.classList);
        };
        return MetisMenu;
    }());

return MetisMenu;

})));
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