in community/front-end/ofe/website/ghpcfe/static/js/bootstrap.esm.js [4313:4538]
var ScrollSpy = /*#__PURE__*/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_NAV_LINKS + ", " + this._config.target + " " + SELECTOR_LIST_ITEMS + ", " + this._config.target + " ." + CLASS_NAME_DROPDOWN_ITEM;
this._offsets = [];
this._targets = [];
this._activeTarget = null;
this._scrollHeight = 0;
EventHandler.on(this._scrollElement, EVENT_SCROLL, function (event) {
return _this._process(event);
});
this.refresh();
this._process();
Data.setData(element, DATA_KEY$8, this);
} // Getters
var _proto = ScrollSpy.prototype;
// Public
_proto.refresh = function refresh() {
var _this2 = this;
var autoMethod = this._scrollElement === this._scrollElement.window ? METHOD_OFFSET : METHOD_POSITION;
var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
var offsetBase = offsetMethod === METHOD_POSITION ? this._getScrollTop() : 0;
this._offsets = [];
this._targets = [];
this._scrollHeight = this._getScrollHeight();
var targets = SelectorEngine.find(this._selector);
targets.map(function (element) {
var targetSelector = getSelectorFromElement(element);
var target = targetSelector ? SelectorEngine.findOne(targetSelector) : null;
if (target) {
var targetBCR = target.getBoundingClientRect();
if (targetBCR.width || targetBCR.height) {
return [Manipulator[offsetMethod](target).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() {
Data.removeData(this._element, DATA_KEY$8);
EventHandler.off(this._scrollElement, 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 = _extends({}, Default$6, typeof config === 'object' && config ? config : {});
if (typeof config.target !== 'string' && isElement(config.target)) {
var id = config.target.id;
if (!id) {
id = getUID(NAME$8);
config.target.id = id;
}
config.target = "#" + id;
}
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;
}
for (var i = this._offsets.length; 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 = SelectorEngine.findOne(queries.join(','));
if (link.classList.contains(CLASS_NAME_DROPDOWN_ITEM)) {
SelectorEngine.findOne(SELECTOR_DROPDOWN_TOGGLE, link.closest(SELECTOR_DROPDOWN)).classList.add(CLASS_NAME_ACTIVE$2);
link.classList.add(CLASS_NAME_ACTIVE$2);
} else {
// Set triggered link as active
link.classList.add(CLASS_NAME_ACTIVE$2);
SelectorEngine.parents(link, SELECTOR_NAV_LIST_GROUP).forEach(function (listGroup) {
// Set triggered links parents as active
// With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
SelectorEngine.prev(listGroup, SELECTOR_NAV_LINKS + ", " + SELECTOR_LIST_ITEMS).forEach(function (item) {
return item.classList.add(CLASS_NAME_ACTIVE$2);
}); // Handle special case when .nav-link is inside .nav-item
SelectorEngine.prev(listGroup, SELECTOR_NAV_ITEMS).forEach(function (navItem) {
SelectorEngine.children(navItem, SELECTOR_NAV_LINKS).forEach(function (item) {
return item.classList.add(CLASS_NAME_ACTIVE$2);
});
});
});
}
EventHandler.trigger(this._scrollElement, EVENT_ACTIVATE, {
relatedTarget: target
});
};
_proto._clear = function _clear() {
SelectorEngine.find(this._selector).filter(function (node) {
return node.classList.contains(CLASS_NAME_ACTIVE$2);
}).forEach(function (node) {
return node.classList.remove(CLASS_NAME_ACTIVE$2);
});
} // Static
;
ScrollSpy.jQueryInterface = function jQueryInterface(config) {
return this.each(function () {
var data = Data.getData(this, DATA_KEY$8);
var _config = typeof config === 'object' && config;
if (!data) {
data = new ScrollSpy(this, _config);
}
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError("No method named \"" + config + "\"");
}
data[config]();
}
});
};
ScrollSpy.getInstance = function getInstance(element) {
return Data.getData(element, DATA_KEY$8);
};
_createClass(ScrollSpy, null, [{
key: "VERSION",
get: function get() {
return VERSION$8;
}
}, {
key: "Default",
get: function get() {
return Default$6;
}
}]);
return ScrollSpy;
}();