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319
app/node_modules/bootstrap/js/dist/scrollspy.js
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vendored
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319
app/node_modules/bootstrap/js/dist/scrollspy.js
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function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.1.1): scrollspy.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* --------------------------------------------------------------------------
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*/
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var ScrollSpy = function ($) {
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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var NAME = 'scrollspy';
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var VERSION = '4.1.1';
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var DATA_KEY = 'bs.scrollspy';
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var EVENT_KEY = "." + DATA_KEY;
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var DATA_API_KEY = '.data-api';
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var JQUERY_NO_CONFLICT = $.fn[NAME];
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var Default = {
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offset: 10,
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method: 'auto',
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target: ''
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};
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var DefaultType = {
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offset: 'number',
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method: 'string',
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target: '(string|element)'
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};
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var Event = {
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ACTIVATE: "activate" + EVENT_KEY,
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SCROLL: "scroll" + EVENT_KEY,
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LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY
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};
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var ClassName = {
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DROPDOWN_ITEM: 'dropdown-item',
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DROPDOWN_MENU: 'dropdown-menu',
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ACTIVE: 'active'
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};
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var Selector = {
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DATA_SPY: '[data-spy="scroll"]',
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ACTIVE: '.active',
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NAV_LIST_GROUP: '.nav, .list-group',
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NAV_LINKS: '.nav-link',
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NAV_ITEMS: '.nav-item',
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LIST_ITEMS: '.list-group-item',
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DROPDOWN: '.dropdown',
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DROPDOWN_ITEMS: '.dropdown-item',
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DROPDOWN_TOGGLE: '.dropdown-toggle'
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};
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var OffsetMethod = {
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OFFSET: 'offset',
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POSITION: 'position'
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/**
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* ------------------------------------------------------------------------
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* Class Definition
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* ------------------------------------------------------------------------
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*/
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};
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var ScrollSpy =
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/*#__PURE__*/
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function () {
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function ScrollSpy(element, config) {
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var _this = this;
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this._element = element;
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this._scrollElement = element.tagName === 'BODY' ? window : element;
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this._config = this._getConfig(config);
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this._selector = this._config.target + " " + Selector.NAV_LINKS + "," + (this._config.target + " " + Selector.LIST_ITEMS + ",") + (this._config.target + " " + Selector.DROPDOWN_ITEMS);
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this._offsets = [];
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this._targets = [];
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this._activeTarget = null;
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this._scrollHeight = 0;
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$(this._scrollElement).on(Event.SCROLL, function (event) {
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return _this._process(event);
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});
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this.refresh();
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this._process();
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} // Getters
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var _proto = ScrollSpy.prototype;
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// Public
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_proto.refresh = function refresh() {
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var _this2 = this;
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var autoMethod = this._scrollElement === this._scrollElement.window ? OffsetMethod.OFFSET : OffsetMethod.POSITION;
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var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
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var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0;
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this._offsets = [];
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this._targets = [];
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this._scrollHeight = this._getScrollHeight();
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var targets = $.makeArray($(this._selector));
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targets.map(function (element) {
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var target;
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var targetSelector = Util.getSelectorFromElement(element);
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if (targetSelector) {
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target = $(targetSelector)[0];
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}
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if (target) {
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var targetBCR = target.getBoundingClientRect();
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if (targetBCR.width || targetBCR.height) {
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// TODO (fat): remove sketch reliance on jQuery position/offset
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return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
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}
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}
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return null;
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}).filter(function (item) {
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return item;
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}).sort(function (a, b) {
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return a[0] - b[0];
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}).forEach(function (item) {
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_this2._offsets.push(item[0]);
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_this2._targets.push(item[1]);
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});
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};
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_proto.dispose = function dispose() {
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$.removeData(this._element, DATA_KEY);
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$(this._scrollElement).off(EVENT_KEY);
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this._element = null;
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this._scrollElement = null;
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this._config = null;
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this._selector = null;
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this._offsets = null;
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this._targets = null;
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this._activeTarget = null;
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this._scrollHeight = null;
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}; // Private
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_proto._getConfig = function _getConfig(config) {
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config = _objectSpread({}, Default, typeof config === 'object' && config ? config : {});
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if (typeof config.target !== 'string') {
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var id = $(config.target).attr('id');
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if (!id) {
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id = Util.getUID(NAME);
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$(config.target).attr('id', id);
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}
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config.target = "#" + id;
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}
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Util.typeCheckConfig(NAME, config, DefaultType);
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return config;
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};
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_proto._getScrollTop = function _getScrollTop() {
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return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
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};
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_proto._getScrollHeight = function _getScrollHeight() {
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return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
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};
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_proto._getOffsetHeight = function _getOffsetHeight() {
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return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
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};
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_proto._process = function _process() {
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var scrollTop = this._getScrollTop() + this._config.offset;
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var scrollHeight = this._getScrollHeight();
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var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
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if (this._scrollHeight !== scrollHeight) {
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this.refresh();
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}
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if (scrollTop >= maxScroll) {
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var target = this._targets[this._targets.length - 1];
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if (this._activeTarget !== target) {
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this._activate(target);
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}
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return;
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}
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if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
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this._activeTarget = null;
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this._clear();
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return;
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}
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for (var i = this._offsets.length; i--;) {
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var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);
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if (isActiveTarget) {
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this._activate(this._targets[i]);
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}
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}
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};
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_proto._activate = function _activate(target) {
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this._activeTarget = target;
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this._clear();
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var queries = this._selector.split(','); // eslint-disable-next-line arrow-body-style
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queries = queries.map(function (selector) {
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return selector + "[data-target=\"" + target + "\"]," + (selector + "[href=\"" + target + "\"]");
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});
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var $link = $(queries.join(','));
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if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
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$link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
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$link.addClass(ClassName.ACTIVE);
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} else {
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// Set triggered link as active
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$link.addClass(ClassName.ACTIVE); // Set triggered links parents as active
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// With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
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$link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ", " + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE); // Handle special case when .nav-link is inside .nav-item
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$link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_ITEMS).children(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
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}
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$(this._scrollElement).trigger(Event.ACTIVATE, {
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relatedTarget: target
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});
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};
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_proto._clear = function _clear() {
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$(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
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}; // Static
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ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
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return this.each(function () {
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var data = $(this).data(DATA_KEY);
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var _config = typeof config === 'object' && config;
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if (!data) {
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data = new ScrollSpy(this, _config);
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$(this).data(DATA_KEY, data);
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}
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if (typeof config === 'string') {
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if (typeof data[config] === 'undefined') {
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throw new TypeError("No method named \"" + config + "\"");
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}
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data[config]();
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}
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});
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};
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_createClass(ScrollSpy, null, [{
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key: "VERSION",
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get: function get() {
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return VERSION;
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}
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}, {
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key: "Default",
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get: function get() {
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return Default;
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}
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}]);
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return ScrollSpy;
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}();
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/**
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* ------------------------------------------------------------------------
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* Data Api implementation
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* ------------------------------------------------------------------------
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*/
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$(window).on(Event.LOAD_DATA_API, function () {
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var scrollSpys = $.makeArray($(Selector.DATA_SPY));
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for (var i = scrollSpys.length; i--;) {
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var $spy = $(scrollSpys[i]);
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ScrollSpy._jQueryInterface.call($spy, $spy.data());
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}
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});
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/**
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* ------------------------------------------------------------------------
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* jQuery
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* ------------------------------------------------------------------------
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*/
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$.fn[NAME] = ScrollSpy._jQueryInterface;
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$.fn[NAME].Constructor = ScrollSpy;
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$.fn[NAME].noConflict = function () {
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$.fn[NAME] = JQUERY_NO_CONFLICT;
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return ScrollSpy._jQueryInterface;
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};
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return ScrollSpy;
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}($);
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//# sourceMappingURL=scrollspy.js.map
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