in ecommerce/webapp/ecommerce/js/bootstrap/js/bootstrap.bundle-4.3.1.js [6272:6491]
function () {
function ScrollSpy(element, config) {
var _this = this;
this._element = element;
this._scrollElement = element.tagName === 'BODY' ? window : element;
this._config = this._getConfig(config);
this._selector = this._config.target + " " + Selector$8.NAV_LINKS + "," + (this._config.target + " " + Selector$8.LIST_ITEMS + ",") + (this._config.target + " " + Selector$8.DROPDOWN_ITEMS);
this._offsets = [];
this._targets = [];
this._activeTarget = null;
this._scrollHeight = 0;
$(this._scrollElement).on(Event$8.SCROLL, function (event) {
return _this._process(event);
});
this.refresh();
this._process();
} // Getters
var _proto = ScrollSpy.prototype;
// Public
_proto.refresh = function refresh() {
var _this2 = this;
var autoMethod = this._scrollElement === this._scrollElement.window ? OffsetMethod.OFFSET : OffsetMethod.POSITION;
var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0;
this._offsets = [];
this._targets = [];
this._scrollHeight = this._getScrollHeight();
var targets = [].slice.call(document.querySelectorAll(this._selector));
targets.map(function (element) {
var target;
var targetSelector = Util.getSelectorFromElement(element);
if (targetSelector) {
target = document.querySelector(targetSelector);
}
if (target) {
var targetBCR = target.getBoundingClientRect();
if (targetBCR.width || targetBCR.height) {
// TODO (fat): remove sketch reliance on jQuery position/offset
return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
}
}
return null;
}).filter(function (item) {
return item;
}).sort(function (a, b) {
return a[0] - b[0];
}).forEach(function (item) {
_this2._offsets.push(item[0]);
_this2._targets.push(item[1]);
});
};
_proto.dispose = function dispose() {
$.removeData(this._element, DATA_KEY$8);
$(this._scrollElement).off(EVENT_KEY$8);
this._element = null;
this._scrollElement = null;
this._config = null;
this._selector = null;
this._offsets = null;
this._targets = null;
this._activeTarget = null;
this._scrollHeight = null;
} // Private
;
_proto._getConfig = function _getConfig(config) {
config = _objectSpread({}, Default$6, typeof config === 'object' && config ? config : {});
if (typeof config.target !== 'string') {
var id = $(config.target).attr('id');
if (!id) {
id = Util.getUID(NAME$8);
$(config.target).attr('id', id);
}
config.target = "#" + id;
}
Util.typeCheckConfig(NAME$8, config, DefaultType$6);
return config;
};
_proto._getScrollTop = function _getScrollTop() {
return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
};
_proto._getScrollHeight = function _getScrollHeight() {
return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
};
_proto._getOffsetHeight = function _getOffsetHeight() {
return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
};
_proto._process = function _process() {
var scrollTop = this._getScrollTop() + this._config.offset;
var scrollHeight = this._getScrollHeight();
var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
if (this._scrollHeight !== scrollHeight) {
this.refresh();
}
if (scrollTop >= maxScroll) {
var target = this._targets[this._targets.length - 1];
if (this._activeTarget !== target) {
this._activate(target);
}
return;
}
if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
this._activeTarget = null;
this._clear();
return;
}
var offsetLength = this._offsets.length;
for (var i = offsetLength; i--;) {
var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);
if (isActiveTarget) {
this._activate(this._targets[i]);
}
}
};
_proto._activate = function _activate(target) {
this._activeTarget = target;
this._clear();
var queries = this._selector.split(',').map(function (selector) {
return selector + "[data-target=\"" + target + "\"]," + selector + "[href=\"" + target + "\"]";
});
var $link = $([].slice.call(document.querySelectorAll(queries.join(','))));
if ($link.hasClass(ClassName$8.DROPDOWN_ITEM)) {
$link.closest(Selector$8.DROPDOWN).find(Selector$8.DROPDOWN_TOGGLE).addClass(ClassName$8.ACTIVE);
$link.addClass(ClassName$8.ACTIVE);
} else {
// Set triggered link as active
$link.addClass(ClassName$8.ACTIVE); // Set triggered links parents as active
// With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
$link.parents(Selector$8.NAV_LIST_GROUP).prev(Selector$8.NAV_LINKS + ", " + Selector$8.LIST_ITEMS).addClass(ClassName$8.ACTIVE); // Handle special case when .nav-link is inside .nav-item
$link.parents(Selector$8.NAV_LIST_GROUP).prev(Selector$8.NAV_ITEMS).children(Selector$8.NAV_LINKS).addClass(ClassName$8.ACTIVE);
}
$(this._scrollElement).trigger(Event$8.ACTIVATE, {
relatedTarget: target
});
};
_proto._clear = function _clear() {
[].slice.call(document.querySelectorAll(this._selector)).filter(function (node) {
return node.classList.contains(ClassName$8.ACTIVE);
}).forEach(function (node) {
return node.classList.remove(ClassName$8.ACTIVE);
});
} // Static
;
ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
return this.each(function () {
var data = $(this).data(DATA_KEY$8);
var _config = typeof config === 'object' && config;
if (!data) {
data = new ScrollSpy(this, _config);
$(this).data(DATA_KEY$8, data);
}
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError("No method named \"" + config + "\"");
}
data[config]();
}
});
};
_createClass(ScrollSpy, null, [{
key: "VERSION",
get: function get() {
return VERSION$8;
}
}, {
key: "Default",
get: function get() {
return Default$6;
}
}]);
return ScrollSpy;
}();