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= anchor && $(anchor);\n      var $link = anchor && this.$element.find(`[href$=\"${anchor}\"]`);\n      // Whether the anchor element that has been found is part of this element\n      var isOwnAnchor = !!($anchor.length && $link.length);\n\n      if (isOwnAnchor) {\n        // If there is an anchor for the hash, open it (if not already active)\n        if ($anchor && $link && $link.length) {\n          if (!$link.parent('[data-accordion-item]').hasClass('is-active')) {\n            this._openSingleTab($anchor);\n          }\n        }\n        // Otherwise, close everything\n        else {\n          this._closeAllTabs();\n        }\n\n        // Roll up a little to show the titles\n        if (this.options.deepLinkSmudge) {\n          onLoad($(window), () => {\n            var offset = this.$element.offset();\n            $('html, body').animate({ scrollTop: offset.top - this.options.deepLinkSmudgeOffset }, this.options.deepLinkSmudgeDelay);\n          });\n        }\n\n        /**\n         * Fires when the plugin has deeplinked at pageload\n         * @event Accordion#deeplink\n         */\n        this.$element.trigger('deeplink.zf.accordion', [$link, $anchor]);\n      }\n    }\n\n    //use browser to open a tab, if it exists in this tabset\n    if (this.options.deepLink) {\n      this._checkDeepLink();\n    }\n\n    this._events();\n\n    this._isInitializing = false;\n  }\n\n  /**\n   * Adds event handlers for items within the accordion.\n   * @private\n   */\n  _events() {\n    var _this = this;\n\n    this.$tabs.each(function() {\n      var $elem = $(this);\n      var $tabContent = $elem.children('[data-tab-content]');\n      if ($tabContent.length) {\n        $elem.children('a').off('click.zf.accordion keydown.zf.accordion')\n               .on('click.zf.accordion', function(e) {\n          e.preventDefault();\n          _this.toggle($tabContent);\n        }).on('keydown.zf.accordion', function(e) {\n          Keyboard.handleKey(e, 'Accordion', {\n            toggle: function() {\n              _this.toggle($tabContent);\n            },\n            next: function() {\n              var $a = $elem.next().find('a').focus();\n              if (!_this.options.multiExpand) {\n                $a.trigger('click.zf.accordion')\n              }\n            },\n            previous: function() {\n              var $a = $elem.prev().find('a').focus();\n              if (!_this.options.multiExpand) {\n                $a.trigger('click.zf.accordion')\n              }\n            },\n            handled: function() {\n              e.preventDefault();\n            }\n          });\n        });\n      }\n    });\n    if (this.options.deepLink) {\n      $(window).on('hashchange', this._checkDeepLink);\n    }\n  }\n\n  /**\n   * Toggles the selected content pane's open/close state.\n   * @param {jQuery} $target - jQuery object of the pane to toggle (`.accordion-content`).\n   * @function\n   */\n  toggle($target) {\n    if ($target.closest('[data-accordion]').is('[disabled]')) {\n      console.info('Cannot toggle an accordion that is disabled.');\n      return;\n    }\n    if ($target.parent().hasClass('is-active')) {\n      this.up($target);\n    } else {\n      this.down($target);\n    }\n    //either replace or update browser history\n    if (this.options.deepLink) {\n      var anchor = $target.prev('a').attr('href');\n\n      if (this.options.updateHistory) {\n        history.pushState({}, '', anchor);\n      } else {\n        history.replaceState({}, '', anchor);\n      }\n    }\n  }\n\n  /**\n   * Opens the accordion tab defined by `$target`.\n   * @param {jQuery} $target - Accordion pane to open (`.accordion-content`).\n   * @fires Accordion#down\n   * @function\n   */\n  down($target) {\n    if ($target.closest('[data-accordion]').is('[disabled]'))  {\n      console.info('Cannot call down on an accordion that is disabled.');\n      return;\n    }\n\n    if (this.options.multiExpand)\n      this._openTab($target);\n    else\n      this._openSingleTab($target);\n  }\n\n  /**\n   * Closes the tab defined by `$target`.\n   * It may be ignored if the Accordion options don't allow it.\n   *\n   * @param {jQuery} $target - Accordion tab to close (`.accordion-content`).\n   * @fires Accordion#up\n   * @function\n   */\n  up($target) {\n    if (this.$element.is('[disabled]')) {\n      console.info('Cannot call up on an accordion that is disabled.');\n      return;\n    }\n\n    // Don't close the item if it is already closed\n    const $targetItem = $target.parent();\n    if (!$targetItem.hasClass('is-active')) return;\n\n    // Don't close the item if there is no other active item (unless with `allowAllClosed`)\n    const $othersItems = $targetItem.siblings();\n    if (!this.options.allowAllClosed && !$othersItems.hasClass('is-active')) return;\n\n    this._closeTab($target);\n  }\n\n  /**\n   * Make the tab defined by `$target` the only opened tab, closing all others tabs.\n   * @param {jQuery} $target - Accordion tab to open (`.accordion-content`).\n   * @function\n   * @private\n   */\n  _openSingleTab($target) {\n    // Close all the others active tabs.\n    const $activeContents = this.$element.children('.is-active').children('[data-tab-content]');\n    if ($activeContents.length) {\n      this._closeTab($activeContents.not($target));\n    }\n\n    // Then open the target.\n    this._openTab($target);\n  }\n\n  /**\n   * Opens the tab defined by `$target`.\n   * @param {jQuery} $target - Accordion tab to open (`.accordion-content`).\n   * @fires Accordion#down\n   * @function\n   * @private\n   */\n  _openTab($target) {\n    const $targetItem = $target.parent();\n    const targetContentId = $target.attr('aria-labelledby');\n\n    $target.attr('aria-hidden', false);\n    $targetItem.addClass('is-active');\n\n    $(`#${targetContentId}`).attr({\n      'aria-expanded': true,\n      'aria-selected': true\n    });\n\n    $target.stop().slideDown(this.options.slideSpeed, () => {\n      /**\n       * Fires when the tab is done opening.\n       * @event Accordion#down\n       */\n      this.$element.trigger('down.zf.accordion', [$target]);\n    });\n  }\n\n  /**\n   * Closes the tab defined by `$target`.\n   * @param {jQuery} $target - Accordion tab to close (`.accordion-content`).\n   * @fires Accordion#up\n   * @function\n   * @private\n   */\n  _closeTab($target) {\n    const $targetItem = $target.parent();\n    const targetContentId = $target.attr('aria-labelledby');\n\n    $target.attr('aria-hidden', true)\n    $targetItem.removeClass('is-active');\n\n    $(`#${targetContentId}`).attr({\n     'aria-expanded': false,\n     'aria-selected': false\n    });\n\n    $target.stop().slideUp(this.options.slideSpeed, () => {\n      /**\n       * Fires when the tab is done collapsing up.\n       * @event Accordion#up\n       */\n      this.$element.trigger('up.zf.accordion', [$target]);\n    });\n  }\n\n  /**\n   * Closes all active tabs\n   * @fires Accordion#up\n   * @function\n   * @private\n   */\n  _closeAllTabs() {\n    var $activeTabs = this.$element.children('.is-active').children('[data-tab-content]');\n    if ($activeTabs.length) {\n      this._closeTab($activeTabs);\n    }\n  }\n\n  /**\n   * Destroys an instance of an accordion.\n   * @fires Accordion#destroyed\n   * @function\n   */\n  _destroy() {\n    this.$element.find('[data-tab-content]').stop(true).slideUp(0).css('display', '');\n    this.$element.find('a').off('.zf.accordion');\n    if (this.options.deepLink) {\n      $(window).off('hashchange', this._checkDeepLink);\n    }\n\n  }\n}\n\nAccordion.defaults = {\n  /**\n   * Amount of time to animate the opening of an accordion pane.\n   * @option\n   * @type {number}\n   * @default 250\n   */\n  slideSpeed: 250,\n  /**\n   * Allow the accordion to have multiple open panes.\n   * @option\n   * @type {boolean}\n   * @default false\n   */\n  multiExpand: false,\n  /**\n   * Allow the accordion to close all panes.\n   * @option\n   * @type {boolean}\n   * @default false\n   */\n  allowAllClosed: false,\n  /**\n   * Link the location hash to the open pane.\n   * Set the location hash when the opened pane changes, and open and scroll to the corresponding pane when the location changes.\n   * @option\n   * @type {boolean}\n   * @default false\n   */\n  deepLink: false,\n  /**\n   * If `deepLink` is enabled, adjust the deep link scroll to make sure the top of the accordion panel is visible\n   * @option\n   * @type {boolean}\n   * @default false\n   */\n  deepLinkSmudge: false,\n  /**\n   * If `deepLinkSmudge` is enabled, animation time (ms) for the deep link adjustment\n   * @option\n   * @type {number}\n   * @default 300\n   */\n  deepLinkSmudgeDelay: 300,\n  /**\n   * If `deepLinkSmudge` is enabled, the offset for scrollToTtop to prevent overlap by a sticky element at the top of the page\n   * @option\n   * @type {number}\n   * @default 0\n   */\n  deepLinkSmudgeOffset: 0,\n  /**\n   * If `deepLink` is enabled, update the browser history with the open accordion\n   * @option\n   * @type {boolean}\n   * @default false\n   */\n  updateHistory: false\n};\n\nexport { Accordion };\n","module.exports = __WEBPACK_EXTERNAL_MODULE_jquery__;"]}