/**
 * simplebar - v6.3.1
 * Scrollbars, simpler.
 * https://grsmto.github.io/simplebar/
 *
 * Made by Adrien Denat from a fork by Jonathan Nicol
 * Under MIT License
 */

import SimpleBarCore from 'simplebar-core';

/******************************************************************************
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.
***************************************************************************** */
/* global Reflect, Promise */

var extendStatics = function(d, b) {
    extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
    return extendStatics(d, b);
};

function __extends(d, b) {
    if (typeof b !== "function" && b !== null)
        throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
    extendStatics(d, b);
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}

var _a = SimpleBarCore.helpers, getOptions = _a.getOptions, addClasses = _a.addClasses, canUseDOM = _a.canUseDOM;
var SimpleBar = /** @class */ (function (_super) {
    __extends(SimpleBar, _super);
    function SimpleBar() {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        var _this = _super.apply(this, args) || this;
        // // Save a reference to the instance, so we know this DOM node has already been instancied
        SimpleBar.instances.set(args[0], _this);
        return _this;
    }
    SimpleBar.initDOMLoadedElements = function () {
        document.removeEventListener('DOMContentLoaded', this.initDOMLoadedElements);
        window.removeEventListener('load', this.initDOMLoadedElements);
        Array.prototype.forEach.call(document.querySelectorAll('[data-simplebar]'), function (el) {
            if (el.getAttribute('data-simplebar') !== 'init' &&
                !SimpleBar.instances.has(el))
                new SimpleBar(el, getOptions(el.attributes));
        });
    };
    SimpleBar.removeObserver = function () {
        var _a;
        (_a = SimpleBar.globalObserver) === null || _a === void 0 ? void 0 : _a.disconnect();
    };
    SimpleBar.prototype.initDOM = function () {
        var _this = this;
        var _a, _b, _c;
        // make sure this element doesn't have the elements yet
        if (!Array.prototype.filter.call(this.el.children, function (child) {
            return child.classList.contains(_this.classNames.wrapper);
        }).length) {
            // Prepare DOM
            this.wrapperEl = document.createElement('div');
            this.contentWrapperEl = document.createElement('div');
            this.offsetEl = document.createElement('div');
            this.maskEl = document.createElement('div');
            this.contentEl = document.createElement('div');
            this.placeholderEl = document.createElement('div');
            this.heightAutoObserverWrapperEl = document.createElement('div');
            this.heightAutoObserverEl = document.createElement('div');
            addClasses(this.wrapperEl, this.classNames.wrapper);
            addClasses(this.contentWrapperEl, this.classNames.contentWrapper);
            addClasses(this.offsetEl, this.classNames.offset);
            addClasses(this.maskEl, this.classNames.mask);
            addClasses(this.contentEl, this.classNames.contentEl);
            addClasses(this.placeholderEl, this.classNames.placeholder);
            addClasses(this.heightAutoObserverWrapperEl, this.classNames.heightAutoObserverWrapperEl);
            addClasses(this.heightAutoObserverEl, this.classNames.heightAutoObserverEl);
            while (this.el.firstChild) {
                this.contentEl.appendChild(this.el.firstChild);
            }
            this.contentWrapperEl.appendChild(this.contentEl);
            this.offsetEl.appendChild(this.contentWrapperEl);
            this.maskEl.appendChild(this.offsetEl);
            this.heightAutoObserverWrapperEl.appendChild(this.heightAutoObserverEl);
            this.wrapperEl.appendChild(this.heightAutoObserverWrapperEl);
            this.wrapperEl.appendChild(this.maskEl);
            this.wrapperEl.appendChild(this.placeholderEl);
            this.el.appendChild(this.wrapperEl);
            (_a = this.contentWrapperEl) === null || _a === void 0 ? void 0 : _a.setAttribute('tabindex', this.options.tabIndex.toString());
            (_b = this.contentWrapperEl) === null || _b === void 0 ? void 0 : _b.setAttribute('role', 'region');
            (_c = this.contentWrapperEl) === null || _c === void 0 ? void 0 : _c.setAttribute('aria-label', this.options.ariaLabel);
        }
        if (!this.axis.x.track.el || !this.axis.y.track.el) {
            var track = document.createElement('div');
            var scrollbar = document.createElement('div');
            addClasses(track, this.classNames.track);
            addClasses(scrollbar, this.classNames.scrollbar);
            track.appendChild(scrollbar);
            this.axis.x.track.el = track.cloneNode(true);
            addClasses(this.axis.x.track.el, this.classNames.horizontal);
            this.axis.y.track.el = track.cloneNode(true);
            addClasses(this.axis.y.track.el, this.classNames.vertical);
            this.el.appendChild(this.axis.x.track.el);
            this.el.appendChild(this.axis.y.track.el);
        }
        SimpleBarCore.prototype.initDOM.call(this);
        this.el.setAttribute('data-simplebar', 'init');
    };
    SimpleBar.prototype.unMount = function () {
        SimpleBarCore.prototype.unMount.call(this);
        SimpleBar.instances["delete"](this.el);
    };
    SimpleBar.initHtmlApi = function () {
        this.initDOMLoadedElements = this.initDOMLoadedElements.bind(this);
        // MutationObserver is IE11+
        if (typeof MutationObserver !== 'undefined') {
            // Mutation observer to observe dynamically added elements
            this.globalObserver = new MutationObserver(SimpleBar.handleMutations);
            this.globalObserver.observe(document, { childList: true, subtree: true });
        }
        // Taken from jQuery `ready` function
        // Instantiate elements already present on the page
        if (document.readyState === 'complete' || // @ts-ignore: IE specific
            (document.readyState !== 'loading' && !document.documentElement.doScroll)) {
            // Handle it asynchronously to allow scripts the opportunity to delay init
            window.setTimeout(this.initDOMLoadedElements);
        }
        else {
            document.addEventListener('DOMContentLoaded', this.initDOMLoadedElements);
            window.addEventListener('load', this.initDOMLoadedElements);
        }
    };
    SimpleBar.handleMutations = function (mutations) {
        mutations.forEach(function (mutation) {
            mutation.addedNodes.forEach(function (addedNode) {
                if (addedNode.nodeType === 1) {
                    if (addedNode.hasAttribute('data-simplebar')) {
                        !SimpleBar.instances.has(addedNode) &&
                            document.documentElement.contains(addedNode) &&
                            new SimpleBar(addedNode, getOptions(addedNode.attributes));
                    }
                    else {
                        addedNode
                            .querySelectorAll('[data-simplebar]')
                            .forEach(function (el) {
                            if (el.getAttribute('data-simplebar') !== 'init' &&
                                !SimpleBar.instances.has(el) &&
                                document.documentElement.contains(el))
                                new SimpleBar(el, getOptions(el.attributes));
                        });
                    }
                }
            });
            mutation.removedNodes.forEach(function (removedNode) {
                var _a;
                if (removedNode.nodeType === 1) {
                    if (removedNode.getAttribute('data-simplebar') === 'init') {
                        !document.documentElement.contains(removedNode) &&
                            ((_a = SimpleBar.instances.get(removedNode)) === null || _a === void 0 ? void 0 : _a.unMount());
                    }
                    else {
                        Array.prototype.forEach.call(removedNode.querySelectorAll('[data-simplebar="init"]'), function (el) {
                            var _a;
                            !document.documentElement.contains(el) &&
                                ((_a = SimpleBar.instances.get(el)) === null || _a === void 0 ? void 0 : _a.unMount());
                        });
                    }
                }
            });
        });
    };
    SimpleBar.instances = new WeakMap();
    return SimpleBar;
}(SimpleBarCore));
/**
 * HTML API
 * Called only in a browser env.
 */
if (canUseDOM) {
    SimpleBar.initHtmlApi();
}

export { SimpleBar as default };
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