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// 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__;"]} |