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Comply to the new rules.
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XhmikosR
@@ -23,51 +23,51 @@ import SelectorEngine from './dom/selectorEngine'
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* ------------------------------------------------------------------------
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*/
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const NAME = 'scrollspy'
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const VERSION = '4.3.1'
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const DATA_KEY = 'bs.scrollspy'
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const EVENT_KEY = `.${DATA_KEY}`
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const DATA_API_KEY = '.data-api'
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const NAME = 'scrollspy'
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const VERSION = '4.3.1'
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const DATA_KEY = 'bs.scrollspy'
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const EVENT_KEY = `.${DATA_KEY}`
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const DATA_API_KEY = '.data-api'
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const Default = {
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offset : 10,
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method : 'auto',
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target : ''
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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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const DefaultType = {
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offset : 'number',
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method : 'string',
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target : '(string|element)'
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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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const 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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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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const 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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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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const 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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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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const OffsetMethod = {
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OFFSET : 'offset',
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POSITION : 'position'
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OFFSET: 'offset',
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POSITION: 'position'
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}
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/**
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@@ -78,18 +78,18 @@ const OffsetMethod = {
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class ScrollSpy {
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constructor(element, config) {
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this._element = element
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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} ${Selector.NAV_LINKS},` +
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this._config = this._getConfig(config)
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this._selector = `${this._config.target} ${Selector.NAV_LINKS},` +
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`${this._config.target} ${Selector.LIST_ITEMS},` +
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`${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._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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EventHandler.on(this._scrollElement, Event.SCROLL, (event) => this._process(event))
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EventHandler.on(this._scrollElement, Event.SCROLL, event => this._process(event))
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this.refresh()
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this._process()
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@@ -110,14 +110,17 @@ class ScrollSpy {
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// Public
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refresh() {
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const autoMethod = this._scrollElement === this._scrollElement.window
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? OffsetMethod.OFFSET : OffsetMethod.POSITION
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const autoMethod = this._scrollElement === this._scrollElement.window ?
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OffsetMethod.OFFSET :
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OffsetMethod.POSITION
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const offsetMethod = this._config.method === 'auto'
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? autoMethod : this._config.method
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const offsetMethod = this._config.method === 'auto' ?
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autoMethod :
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this._config.method
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const offsetBase = offsetMethod === OffsetMethod.POSITION
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? this._getScrollTop() : 0
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const offsetBase = offsetMethod === OffsetMethod.POSITION ?
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this._getScrollTop() :
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0
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this._offsets = []
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this._targets = []
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@@ -127,7 +130,7 @@ class ScrollSpy {
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const targets = makeArray(SelectorEngine.find(this._selector))
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targets
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.map((element) => {
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.map(element => {
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let target
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const targetSelector = getSelectorFromElement(element)
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@@ -145,11 +148,12 @@ class ScrollSpy {
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]
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}
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}
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return null
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})
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.filter((item) => item)
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.filter(item => item)
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.sort((a, b) => a[0] - b[0])
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.forEach((item) => {
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.forEach(item => {
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this._offsets.push(item[0])
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this._targets.push(item[1])
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})
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@@ -159,14 +163,14 @@ class ScrollSpy {
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Data.removeData(this._element, DATA_KEY)
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EventHandler.off(this._scrollElement, EVENT_KEY)
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this._element = null
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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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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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}
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// Private
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@@ -178,11 +182,12 @@ class ScrollSpy {
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}
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if (typeof config.target !== 'string') {
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let id = config.target.id
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let { id } = config.target
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if (!id) {
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id = getUID(NAME)
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config.target.id = id
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}
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config.target = `#${id}`
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}
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@@ -192,8 +197,9 @@ class ScrollSpy {
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}
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_getScrollTop() {
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return this._scrollElement === window
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? this._scrollElement.pageYOffset : this._scrollElement.scrollTop
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return this._scrollElement === window ?
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this._scrollElement.pageYOffset :
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this._scrollElement.scrollTop
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}
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_getScrollHeight() {
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@@ -204,14 +210,15 @@ class ScrollSpy {
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}
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_getOffsetHeight() {
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return this._scrollElement === window
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? window.innerHeight : this._scrollElement.getBoundingClientRect().height
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return this._scrollElement === window ?
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window.innerHeight :
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this._scrollElement.getBoundingClientRect().height
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}
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_process() {
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const scrollTop = this._getScrollTop() + this._config.offset
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const scrollTop = this._getScrollTop() + this._config.offset
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const scrollHeight = this._getScrollHeight()
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const maxScroll = this._config.offset +
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const maxScroll = this._config.offset +
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scrollHeight -
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this._getOffsetHeight()
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@@ -225,6 +232,7 @@ class ScrollSpy {
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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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@@ -253,7 +261,7 @@ class ScrollSpy {
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this._clear()
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const queries = this._selector.split(',')
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.map((selector) => `${selector}[data-target="${target}"],${selector}[href="${target}"]`)
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.map(selector => `${selector}[data-target="${target}"],${selector}[href="${target}"]`)
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const link = SelectorEngine.findOne(queries.join(','))
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@@ -269,17 +277,17 @@ class ScrollSpy {
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SelectorEngine
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.parents(link, Selector.NAV_LIST_GROUP)
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.forEach((listGroup) => {
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.forEach(listGroup => {
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// 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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SelectorEngine.prev(listGroup, `${Selector.NAV_LINKS}, ${Selector.LIST_ITEMS}`)
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.forEach((item) => item.classList.add(ClassName.ACTIVE))
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.forEach(item => item.classList.add(ClassName.ACTIVE))
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// Handle special case when .nav-link is inside .nav-item
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SelectorEngine.prev(listGroup, Selector.NAV_ITEMS)
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.forEach((navItem) => {
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.forEach(navItem => {
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SelectorEngine.children(navItem, Selector.NAV_LINKS)
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.forEach((item) => item.classList.add(ClassName.ACTIVE))
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.forEach(item => item.classList.add(ClassName.ACTIVE))
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})
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})
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}
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@@ -291,8 +299,8 @@ class ScrollSpy {
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_clear() {
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makeArray(SelectorEngine.find(this._selector))
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.filter((node) => node.classList.contains(ClassName.ACTIVE))
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.forEach((node) => node.classList.remove(ClassName.ACTIVE))
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.filter(node => node.classList.contains(ClassName.ACTIVE))
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.forEach(node => node.classList.remove(ClassName.ACTIVE))
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}
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// Static
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@@ -310,6 +318,7 @@ class ScrollSpy {
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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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@@ -328,7 +337,7 @@ class ScrollSpy {
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EventHandler.on(window, Event.LOAD_DATA_API, () => {
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makeArray(SelectorEngine.find(Selector.DATA_SPY))
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.forEach((spy) => new ScrollSpy(spy, Manipulator.getDataAttributes(spy)))
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.forEach(spy => new ScrollSpy(spy, Manipulator.getDataAttributes(spy)))
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})
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/**
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@@ -339,9 +348,9 @@ EventHandler.on(window, Event.LOAD_DATA_API, () => {
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if (typeof $ !== 'undefined') {
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const JQUERY_NO_CONFLICT = $.fn[NAME]
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$.fn[NAME] = ScrollSpy._jQueryInterface
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$.fn[NAME].Constructor = ScrollSpy
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$.fn[NAME].noConflict = () => {
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$.fn[NAME] = ScrollSpy._jQueryInterface
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$.fn[NAME].Constructor = ScrollSpy
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$.fn[NAME].noConflict = () => {
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$.fn[NAME] = JQUERY_NO_CONFLICT
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return ScrollSpy._jQueryInterface
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}
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