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-rw-r--r--js/src/scrollspy/scrollspy.js357
-rw-r--r--js/src/scrollspy/scrollspy.spec.js653
2 files changed, 0 insertions, 1010 deletions
diff --git a/js/src/scrollspy/scrollspy.js b/js/src/scrollspy/scrollspy.js
deleted file mode 100644
index fa52a1289..000000000
--- a/js/src/scrollspy/scrollspy.js
+++ /dev/null
@@ -1,357 +0,0 @@
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v4.3.1): scrollspy.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import {
- getjQuery,
- getSelectorFromElement,
- getUID,
- makeArray,
- typeCheckConfig
-} from '../util/index'
-import Data from '../dom/data'
-import EventHandler from '../dom/event-handler'
-import Manipulator from '../dom/manipulator'
-import SelectorEngine from '../dom/selector-engine'
-
-/**
- * ------------------------------------------------------------------------
- * Constants
- * ------------------------------------------------------------------------
- */
-
-const NAME = 'scrollspy'
-const VERSION = '4.3.1'
-const DATA_KEY = 'bs.scrollspy'
-const EVENT_KEY = `.${DATA_KEY}`
-const DATA_API_KEY = '.data-api'
-
-const Default = {
- offset: 10,
- method: 'auto',
- target: ''
-}
-
-const DefaultType = {
- offset: 'number',
- method: 'string',
- target: '(string|element)'
-}
-
-const Event = {
- ACTIVATE: `activate${EVENT_KEY}`,
- SCROLL: `scroll${EVENT_KEY}`,
- LOAD_DATA_API: `load${EVENT_KEY}${DATA_API_KEY}`
-}
-
-const ClassName = {
- DROPDOWN_ITEM: 'dropdown-item',
- ACTIVE: 'active'
-}
-
-const Selector = {
- DATA_SPY: '[data-spy="scroll"]',
- NAV_LIST_GROUP: '.nav, .list-group',
- NAV_LINKS: '.nav-link',
- NAV_ITEMS: '.nav-item',
- LIST_ITEMS: '.list-group-item',
- DROPDOWN: '.dropdown',
- DROPDOWN_TOGGLE: '.dropdown-toggle'
-}
-
-const OffsetMethod = {
- OFFSET: 'offset',
- POSITION: 'position'
-}
-
-/**
- * ------------------------------------------------------------------------
- * Class Definition
- * ------------------------------------------------------------------------
- */
-
-class ScrollSpy {
- constructor(element, config) {
- this._element = element
- this._scrollElement = element.tagName === 'BODY' ? window : element
- this._config = this._getConfig(config)
- this._selector = `${this._config.target} ${Selector.NAV_LINKS},` +
- `${this._config.target} ${Selector.LIST_ITEMS},` +
- `${this._config.target} .${ClassName.DROPDOWN_ITEM}`
- this._offsets = []
- this._targets = []
- this._activeTarget = null
- this._scrollHeight = 0
-
- EventHandler.on(this._scrollElement, Event.SCROLL, event => this._process(event))
-
- this.refresh()
- this._process()
-
- Data.setData(element, DATA_KEY, this)
- }
-
- // Getters
-
- static get VERSION() {
- return VERSION
- }
-
- static get Default() {
- return Default
- }
-
- // Public
-
- refresh() {
- const autoMethod = this._scrollElement === this._scrollElement.window ?
- OffsetMethod.OFFSET :
- OffsetMethod.POSITION
-
- const offsetMethod = this._config.method === 'auto' ?
- autoMethod :
- this._config.method
-
- const offsetBase = offsetMethod === OffsetMethod.POSITION ?
- this._getScrollTop() :
- 0
-
- this._offsets = []
- this._targets = []
-
- this._scrollHeight = this._getScrollHeight()
-
- const targets = makeArray(SelectorEngine.find(this._selector))
-
- targets
- .map(element => {
- let target
- const targetSelector = getSelectorFromElement(element)
-
- if (targetSelector) {
- target = SelectorEngine.findOne(targetSelector)
- }
-
- if (target) {
- const targetBCR = target.getBoundingClientRect()
- if (targetBCR.width || targetBCR.height) {
- return [
- Manipulator[offsetMethod](target).top + offsetBase,
- targetSelector
- ]
- }
- }
-
- return null
- })
- .filter(item => item)
- .sort((a, b) => a[0] - b[0])
- .forEach(item => {
- this._offsets.push(item[0])
- this._targets.push(item[1])
- })
- }
-
- dispose() {
- Data.removeData(this._element, DATA_KEY)
- EventHandler.off(this._scrollElement, EVENT_KEY)
-
- 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
-
- _getConfig(config) {
- config = {
- ...Default,
- ...typeof config === 'object' && config ? config : {}
- }
-
- if (typeof config.target !== 'string') {
- let { id } = config.target
- if (!id) {
- id = getUID(NAME)
- config.target.id = id
- }
-
- config.target = `#${id}`
- }
-
- typeCheckConfig(NAME, config, DefaultType)
-
- return config
- }
-
- _getScrollTop() {
- return this._scrollElement === window ?
- this._scrollElement.pageYOffset :
- this._scrollElement.scrollTop
- }
-
- _getScrollHeight() {
- return this._scrollElement.scrollHeight || Math.max(
- document.body.scrollHeight,
- document.documentElement.scrollHeight
- )
- }
-
- _getOffsetHeight() {
- return this._scrollElement === window ?
- window.innerHeight :
- this._scrollElement.getBoundingClientRect().height
- }
-
- _process() {
- const scrollTop = this._getScrollTop() + this._config.offset
- const scrollHeight = this._getScrollHeight()
- const maxScroll = this._config.offset +
- scrollHeight -
- this._getOffsetHeight()
-
- if (this._scrollHeight !== scrollHeight) {
- this.refresh()
- }
-
- if (scrollTop >= maxScroll) {
- const 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
- }
-
- const offsetLength = this._offsets.length
- for (let i = offsetLength; i--;) {
- const 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])
- }
- }
- }
-
- _activate(target) {
- this._activeTarget = target
-
- this._clear()
-
- const queries = this._selector.split(',')
- .map(selector => `${selector}[data-target="${target}"],${selector}[href="${target}"]`)
-
- const link = SelectorEngine.findOne(queries.join(','))
-
- if (link.classList.contains(ClassName.DROPDOWN_ITEM)) {
- SelectorEngine
- .findOne(Selector.DROPDOWN_TOGGLE, SelectorEngine.closest(link, Selector.DROPDOWN))
- .classList.add(ClassName.ACTIVE)
-
- link.classList.add(ClassName.ACTIVE)
- } else {
- // Set triggered link as active
- link.classList.add(ClassName.ACTIVE)
-
- SelectorEngine
- .parents(link, Selector.NAV_LIST_GROUP)
- .forEach(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}, ${Selector.LIST_ITEMS}`)
- .forEach(item => item.classList.add(ClassName.ACTIVE))
-
- // Handle special case when .nav-link is inside .nav-item
- SelectorEngine.prev(listGroup, Selector.NAV_ITEMS)
- .forEach(navItem => {
- SelectorEngine.children(navItem, Selector.NAV_LINKS)
- .forEach(item => item.classList.add(ClassName.ACTIVE))
- })
- })
- }
-
- EventHandler.trigger(this._scrollElement, Event.ACTIVATE, {
- relatedTarget: target
- })
- }
-
- _clear() {
- makeArray(SelectorEngine.find(this._selector))
- .filter(node => node.classList.contains(ClassName.ACTIVE))
- .forEach(node => node.classList.remove(ClassName.ACTIVE))
- }
-
- // Static
-
- static jQueryInterface(config) {
- return this.each(function () {
- let data = Data.getData(this, DATA_KEY)
- const _config = typeof config === 'object' && config
-
- if (!data) {
- data = new ScrollSpy(this, _config)
- }
-
- if (typeof config === 'string') {
- if (typeof data[config] === 'undefined') {
- throw new TypeError(`No method named "${config}"`)
- }
-
- data[config]()
- }
- })
- }
-
- static getInstance(element) {
- return Data.getData(element, DATA_KEY)
- }
-}
-
-/**
- * ------------------------------------------------------------------------
- * Data Api implementation
- * ------------------------------------------------------------------------
- */
-
-EventHandler.on(window, Event.LOAD_DATA_API, () => {
- makeArray(SelectorEngine.find(Selector.DATA_SPY))
- .forEach(spy => new ScrollSpy(spy, Manipulator.getDataAttributes(spy)))
-})
-
-const $ = getjQuery()
-
-/**
- * ------------------------------------------------------------------------
- * jQuery
- * ------------------------------------------------------------------------
- */
-/* istanbul ignore if */
-if ($) {
- const JQUERY_NO_CONFLICT = $.fn[NAME]
- $.fn[NAME] = ScrollSpy.jQueryInterface
- $.fn[NAME].Constructor = ScrollSpy
- $.fn[NAME].noConflict = () => {
- $.fn[NAME] = JQUERY_NO_CONFLICT
- return ScrollSpy.jQueryInterface
- }
-}
-
-export default ScrollSpy
diff --git a/js/src/scrollspy/scrollspy.spec.js b/js/src/scrollspy/scrollspy.spec.js
deleted file mode 100644
index a019a6d1a..000000000
--- a/js/src/scrollspy/scrollspy.spec.js
+++ /dev/null
@@ -1,653 +0,0 @@
-import ScrollSpy from './scrollspy'
-import Manipulator from '../dom/manipulator'
-import EventHandler from '../dom/event-handler'
-
-/** Test helpers */
-import { getFixture, clearFixture, createEvent, jQueryMock } from '../../tests/helpers/fixture'
-
-describe('ScrollSpy', () => {
- let fixtureEl
-
- const testElementIsActiveAfterScroll = ({ elementSelector, targetSelector, contentEl, scrollSpy, spy, cb }) => {
- const element = fixtureEl.querySelector(elementSelector)
- const target = fixtureEl.querySelector(targetSelector)
-
- // add top padding to fix Chrome on Android failures
- const paddingTop = 5
- const scrollHeight = Math.ceil(contentEl.scrollTop + Manipulator.position(target).top) + paddingTop
-
- function listener() {
- expect(element.classList.contains('active')).toEqual(true)
- contentEl.removeEventListener('scroll', listener)
- expect(scrollSpy._process).toHaveBeenCalled()
- spy.calls.reset()
- cb()
- }
-
- contentEl.addEventListener('scroll', listener)
- contentEl.scrollTop = scrollHeight
- }
-
- beforeAll(() => {
- fixtureEl = getFixture()
- })
-
- afterEach(() => {
- clearFixture()
- })
-
- describe('VERSION', () => {
- it('should return plugin version', () => {
- expect(ScrollSpy.VERSION).toEqual(jasmine.any(String))
- })
- })
-
- describe('Default', () => {
- it('should return plugin default config', () => {
- expect(ScrollSpy.Default).toEqual(jasmine.any(Object))
- })
- })
-
- describe('constructor', () => {
- it('should generate an id when there is not one', () => {
- fixtureEl.innerHTML = [
- '<nav></nav>',
- '<div class="content"></div>'
- ].join('')
-
- const navEl = fixtureEl.querySelector('nav')
- const scrollSpy = new ScrollSpy(fixtureEl.querySelector('.content'), {
- target: navEl
- })
-
- expect(scrollSpy).toBeDefined()
- expect(navEl.getAttribute('id')).not.toEqual(null)
- })
-
- it('should not process element without target', () => {
- fixtureEl.innerHTML = [
- '<nav id="navigation" class="navbar">',
- ' <ul class="navbar-nav">',
- ' <li class="nav-item active"><a class="nav-link" id="one-link" href="#">One</a></li>',
- ' <li class="nav-item"><a class="nav-link" id="two-link" href="#two">Two</a></li>',
- ' <li class="nav-item"><a class="nav-link" id="three-link" href="#three">Three</a></li>',
- ' </ul>',
- '</nav>',
- '<div id="content" style="height: 200px; overflow-y: auto;">',
- ' <div id="two" style="height: 300px;"></div>',
- ' <div id="three" style="height: 10px;"></div>',
- '</div>'
- ].join('')
-
- const scrollSpy = new ScrollSpy(fixtureEl.querySelector('#content'), {
- target: '#navigation'
- })
-
- expect(scrollSpy._targets.length).toEqual(2)
- })
-
- it('should only switch "active" class on current target', done => {
- fixtureEl.innerHTML = [
- '<div id="root" class="active" style="display: block">',
- ' <div class="topbar">',
- ' <div class="topbar-inner">',
- ' <div class="container" id="ss-target">',
- ' <ul class="nav">',
- ' <li class="nav-item"><a href="#masthead">Overview</a></li>',
- ' <li class="nav-item"><a href="#detail">Detail</a></li>',
- ' </ul>',
- ' </div>',
- ' </div>',
- ' </div>',
- ' <div id="scrollspy-example" style="height: 100px; overflow: auto;">',
- ' <div style="height: 200px;">',
- ' <h4 id="masthead">Overview</h4>',
- ' <p style="height: 200px;"></p>',
- ' </div>',
- ' <div style="height: 200px;">',
- ' <h4 id="detail">Detail</h4>',
- ' <p style="height: 200px;"></p>',
- ' </div>',
- ' </div>',
- '</div>'
- ].join('')
-
- const scrollSpyEl = fixtureEl.querySelector('#scrollspy-example')
- const rootEl = fixtureEl.querySelector('#root')
- const scrollSpy = new ScrollSpy(scrollSpyEl, {
- target: 'ss-target'
- })
-
- spyOn(scrollSpy, '_process').and.callThrough()
-
- scrollSpyEl.addEventListener('scroll', () => {
- expect(rootEl.classList.contains('active')).toEqual(true)
- expect(scrollSpy._process).toHaveBeenCalled()
- done()
- })
-
- scrollSpyEl.scrollTop = 350
- })
-
- it('should only switch "active" class on current target specified w element', done => {
- fixtureEl.innerHTML = [
- '<div id="root" class="active" style="display: block">',
- ' <div class="topbar">',
- ' <div class="topbar-inner">',
- ' <div class="container" id="ss-target">',
- ' <ul class="nav">',
- ' <li class="nav-item"><a href="#masthead">Overview</a></li>',
- ' <li class="nav-item"><a href="#detail">Detail</a></li>',
- ' </ul>',
- ' </div>',
- ' </div>',
- ' </div>',
- ' <div id="scrollspy-example" style="height: 100px; overflow: auto;">',
- ' <div style="height: 200px;">',
- ' <h4 id="masthead">Overview</h4>',
- ' <p style="height: 200px;"></p>',
- ' </div>',
- ' <div style="height: 200px;">',
- ' <h4 id="detail">Detail</h4>',
- ' <p style="height: 200px;"></p>',
- ' </div>',
- ' </div>',
- '</div>'
- ].join('')
-
- const scrollSpyEl = fixtureEl.querySelector('#scrollspy-example')
- const rootEl = fixtureEl.querySelector('#root')
- const scrollSpy = new ScrollSpy(scrollSpyEl, {
- target: fixtureEl.querySelector('#ss-target')
- })
-
- spyOn(scrollSpy, '_process').and.callThrough()
-
- scrollSpyEl.addEventListener('scroll', () => {
- expect(rootEl.classList.contains('active')).toEqual(true)
- expect(scrollSpy._process).toHaveBeenCalled()
- done()
- })
-
- scrollSpyEl.scrollTop = 350
- })
-
- it('should correctly select middle navigation option when large offset is used', done => {
- fixtureEl.innerHTML = [
- '<div id="header" style="height: 500px;"></div>',
- '<nav id="navigation" class="navbar">',
- ' <ul class="navbar-nav">',
- ' <li class="nav-item active"><a class="nav-link" id="one-link" href="#one">One</a></li>',
- ' <li class="nav-item"><a class="nav-link" id="two-link" href="#two">Two</a></li>',
- ' <li class="nav-item"><a class="nav-link" id="three-link" href="#three">Three</a></li>',
- ' </ul>',
- '</nav>',
- '<div id="content" style="height: 200px; overflow-y: auto;">',
- ' <div id="one" style="height: 500px;"></div>',
- ' <div id="two" style="height: 300px;"></div>',
- ' <div id="three" style="height: 10px;"></div>',
- '</div>'
- ].join('')
-
- const contentEl = fixtureEl.querySelector('#content')
- const scrollSpy = new ScrollSpy(contentEl, {
- target: '#navigation',
- offset: Manipulator.position(contentEl).top
- })
-
- spyOn(scrollSpy, '_process').and.callThrough()
-
- contentEl.addEventListener('scroll', () => {
- expect(fixtureEl.querySelector('#one-link').classList.contains('active')).toEqual(false)
- expect(fixtureEl.querySelector('#two-link').classList.contains('active')).toEqual(true)
- expect(fixtureEl.querySelector('#three-link').classList.contains('active')).toEqual(false)
- expect(scrollSpy._process).toHaveBeenCalled()
- done()
- })
-
- contentEl.scrollTop = 550
- })
-
- it('should add the active class to the correct element', done => {
- fixtureEl.innerHTML = [
- '<nav class="navbar">',
- ' <ul class="nav">',
- ' <li class="nav-item"><a class="nav-link" id="a-1" href="#div-1">div 1</a></li>',
- ' <li class="nav-item"><a class="nav-link" id="a-2" href="#div-2">div 2</a></li>',
- ' </ul>',
- '</nav>',
- '<div class="content" style="overflow: auto; height: 50px">',
- ' <div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>',
- ' <div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>',
- '</div>'
- ].join('')
-
- const contentEl = fixtureEl.querySelector('.content')
- const scrollSpy = new ScrollSpy(contentEl, {
- offset: 0,
- target: '.navbar'
- })
- const spy = spyOn(scrollSpy, '_process').and.callThrough()
-
- testElementIsActiveAfterScroll({
- elementSelector: '#a-1',
- targetSelector: '#div-1',
- contentEl,
- scrollSpy,
- spy,
- cb: () => {
- testElementIsActiveAfterScroll({
- elementSelector: '#a-2',
- targetSelector: '#div-2',
- contentEl,
- scrollSpy,
- spy,
- cb: () => done()
- })
- }
- })
- })
-
- it('should add the active class to the correct element (nav markup)', done => {
- fixtureEl.innerHTML = [
- '<nav class="navbar">',
- ' <nav class="nav">',
- ' <a class="nav-link" id="a-1" href="#div-1">div 1</a>',
- ' <a class="nav-link" id="a-2" href="#div-2">div 2</a>',
- ' </nav>',
- '</nav>',
- '<div class="content" style="overflow: auto; height: 50px">',
- ' <div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>',
- ' <div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>',
- '</div>'
- ].join('')
-
- const contentEl = fixtureEl.querySelector('.content')
- const scrollSpy = new ScrollSpy(contentEl, {
- offset: 0,
- target: '.navbar'
- })
- const spy = spyOn(scrollSpy, '_process').and.callThrough()
-
- testElementIsActiveAfterScroll({
- elementSelector: '#a-1',
- targetSelector: '#div-1',
- contentEl,
- scrollSpy,
- spy,
- cb: () => {
- testElementIsActiveAfterScroll({
- elementSelector: '#a-2',
- targetSelector: '#div-2',
- contentEl,
- scrollSpy,
- spy,
- cb: () => done()
- })
- }
- })
- })
-
- it('should add the active class to the correct element (list-group markup)', done => {
- fixtureEl.innerHTML = [
- '<nav class="navbar">',
- ' <div class="list-group">',
- ' <a class="list-group-item" id="a-1" href="#div-1">div 1</a>',
- ' <a class="list-group-item" id="a-2" href="#div-2">div 2</a>',
- ' </div>',
- '</nav>',
- '<div class="content" style="overflow: auto; height: 50px">',
- ' <div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>',
- ' <div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>',
- '</div>'
- ].join('')
-
- const contentEl = fixtureEl.querySelector('.content')
- const scrollSpy = new ScrollSpy(contentEl, {
- offset: 0,
- target: '.navbar'
- })
- const spy = spyOn(scrollSpy, '_process').and.callThrough()
-
- testElementIsActiveAfterScroll({
- elementSelector: '#a-1',
- targetSelector: '#div-1',
- contentEl,
- scrollSpy,
- spy,
- cb: () => {
- testElementIsActiveAfterScroll({
- elementSelector: '#a-2',
- targetSelector: '#div-2',
- contentEl,
- scrollSpy,
- spy,
- cb: () => done()
- })
- }
- })
- })
-
- it('should clear selection if above the first section', done => {
- fixtureEl.innerHTML = [
- '<div id="header" style="height: 500px;"></div>',
- '<nav id="navigation" class="navbar">',
- ' <ul class="navbar-nav">',
- ' <li class="nav-item"><a id="one-link" class="nav-link active" href="#one">One</a></li>',
- ' <li class="nav-item"><a id="two-link" class="nav-link" href="#two">Two</a></li>',
- ' <li class="nav-item"><a id="three-link" class="nav-link" href="#three">Three</a></li>',
- ' </ul>',
- '</nav>',
- '<div id="content" style="height: 200px; overflow-y: auto;">',
- ' <div id="spacer" style="height: 100px;"></div>',
- ' <div id="one" style="height: 100px;"></div>',
- ' <div id="two" style="height: 100px;"></div>',
- ' <div id="three" style="height: 100px;"></div>',
- ' <div id="spacer" style="height: 100px;"></div>',
- '</div>'
- ].join('')
-
- const contentEl = fixtureEl.querySelector('#content')
- const scrollSpy = new ScrollSpy(contentEl, {
- target: '#navigation',
- offset: Manipulator.position(contentEl).top
- })
- const spy = spyOn(scrollSpy, '_process').and.callThrough()
-
- let firstTime = true
-
- contentEl.addEventListener('scroll', () => {
- const active = fixtureEl.querySelector('.active')
-
- expect(spy).toHaveBeenCalled()
- spy.calls.reset()
- if (firstTime) {
- expect(fixtureEl.querySelectorAll('.active').length).toEqual(1)
- expect(active.getAttribute('id')).toEqual('two-link')
- firstTime = false
- contentEl.scrollTop = 0
- } else {
- expect(active).toBeNull()
- done()
- }
- })
-
- contentEl.scrollTop = 201
- })
-
- it('should not clear selection if above the first section and first section is at the top', done => {
- fixtureEl.innerHTML = [
- '<div id="header" style="height: 500px;"></div>',
- '<nav id="navigation" class="navbar">',
- ' <ul class="navbar-nav">',
- ' <li class="nav-item"><a id="one-link" class="nav-link active" href="#one">One</a></li>',
- ' <li class="nav-item"><a id="two-link" class="nav-link" href="#two">Two</a></li>',
- ' <li class="nav-item"><a id="three-link" class="nav-link" href="#three">Three</a></li>',
- ' </ul>',
- '</nav>',
- '<div id="content" style="height: 200px; overflow-y: auto;">',
- ' <div id="one" style="height: 100px;"></div>',
- ' <div id="two" style="height: 100px;"></div>',
- ' <div id="three" style="height: 100px;"></div>',
- ' <div id="spacer" style="height: 100px;"></div>',
- '</div>'
- ].join('')
-
- const negativeHeight = -10
- const startOfSectionTwo = 101
- const contentEl = fixtureEl.querySelector('#content')
- const scrollSpy = new ScrollSpy(contentEl, {
- target: '#navigation',
- offset: contentEl.offsetTop
- })
- const spy = spyOn(scrollSpy, '_process').and.callThrough()
-
- let firstTime = true
-
- contentEl.addEventListener('scroll', () => {
- const active = fixtureEl.querySelector('.active')
-
- expect(spy).toHaveBeenCalled()
- spy.calls.reset()
- if (firstTime) {
- expect(fixtureEl.querySelectorAll('.active').length).toEqual(1)
- expect(active.getAttribute('id')).toEqual('two-link')
- firstTime = false
- contentEl.scrollTop = negativeHeight
- } else {
- expect(fixtureEl.querySelectorAll('.active').length).toEqual(1)
- expect(active.getAttribute('id')).toEqual('one-link')
- done()
- }
- })
-
- contentEl.scrollTop = startOfSectionTwo
- })
-
- it('should correctly select navigation element on backward scrolling when each target section height is 100%', done => {
- fixtureEl.innerHTML = [
- '<nav class="navbar">',
- ' <ul class="nav">',
- ' <li class="nav-item"><a id="li-100-1" class="nav-link" href="#div-100-1">div 1</a></li>',
- ' <li class="nav-item"><a id="li-100-2" class="nav-link" href="#div-100-2">div 2</a></li>',
- ' <li class="nav-item"><a id="li-100-3" class="nav-link" href="#div-100-3">div 3</a></li>',
- ' <li class="nav-item"><a id="li-100-4" class="nav-link" href="#div-100-4">div 4</a></li>',
- ' <li class="nav-item"><a id="li-100-5" class="nav-link" href="#div-100-5">div 5</a></li>',
- ' </ul>',
- '</nav>',
- '<div class="content" style="position: relative; overflow: auto; height: 100px">',
- ' <div id="div-100-1" style="position: relative; height: 100%; padding: 0; margin: 0">div 1</div>',
- ' <div id="div-100-2" style="position: relative; height: 100%; padding: 0; margin: 0">div 2</div>',
- ' <div id="div-100-3" style="position: relative; height: 100%; padding: 0; margin: 0">div 3</div>',
- ' <div id="div-100-4" style="position: relative; height: 100%; padding: 0; margin: 0">div 4</div>',
- ' <div id="div-100-5" style="position: relative; height: 100%; padding: 0; margin: 0">div 5</div>',
- '</div>'
- ].join('')
-
- const contentEl = fixtureEl.querySelector('.content')
- const scrollSpy = new ScrollSpy(contentEl, {
- offset: 0,
- target: '.navbar'
- })
- const spy = spyOn(scrollSpy, '_process').and.callThrough()
-
- testElementIsActiveAfterScroll({
- elementSelector: '#li-100-5',
- targetSelector: '#div-100-5',
- scrollSpy,
- spy,
- contentEl,
- cb() {
- contentEl.scrollTop = 0
- testElementIsActiveAfterScroll({
- elementSelector: '#li-100-4',
- targetSelector: '#div-100-4',
- scrollSpy,
- spy,
- contentEl,
- cb() {
- contentEl.scrollTop = 0
- testElementIsActiveAfterScroll({
- elementSelector: '#li-100-3',
- targetSelector: '#div-100-3',
- scrollSpy,
- spy,
- contentEl,
- cb() {
- contentEl.scrollTop = 0
- testElementIsActiveAfterScroll({
- elementSelector: '#li-100-2',
- targetSelector: '#div-100-2',
- scrollSpy,
- spy,
- contentEl,
- cb() {
- contentEl.scrollTop = 0
- testElementIsActiveAfterScroll({
- elementSelector: '#li-100-1',
- targetSelector: '#div-100-1',
- scrollSpy,
- spy,
- contentEl,
- cb: done
- })
- }
- })
- }
- })
- }
- })
- }
- })
- })
-
- it('should allow passed in option offset method: offset', () => {
- fixtureEl.innerHTML = [
- '<nav class="navbar">',
- ' <ul class="nav">',
- ' <li class="nav-item"><a id="li-jsm-1" class="nav-link" href="#div-jsm-1">div 1</a></li>',
- ' <li class="nav-item"><a id="li-jsm-2" class="nav-link" href="#div-jsm-2">div 2</a></li>',
- ' <li class="nav-item"><a id="li-jsm-3" class="nav-link" href="#div-jsm-3">div 3</a></li>',
- ' </ul>',
- '</nav>',
- '<div class="content" style="position: relative; overflow: auto; height: 100px">',
- ' <div id="div-jsm-1" style="position: relative; height: 200px; padding: 0; margin: 0">div 1</div>',
- ' <div id="div-jsm-2" style="position: relative; height: 150px; padding: 0; margin: 0">div 2</div>',
- ' <div id="div-jsm-3" style="position: relative; height: 250px; padding: 0; margin: 0">div 3</div>',
- '</div>'
- ].join('')
-
- const contentEl = fixtureEl.querySelector('.content')
- const targetEl = fixtureEl.querySelector('#div-jsm-2')
- const scrollSpy = new ScrollSpy(contentEl, {
- target: '.navbar',
- offset: 0,
- method: 'offset'
- })
-
- expect(scrollSpy._offsets[1]).toEqual(Manipulator.offset(targetEl).top)
- expect(scrollSpy._offsets[1]).not.toEqual(Manipulator.position(targetEl).top)
- })
-
- it('should allow passed in option offset method: position', () => {
- fixtureEl.innerHTML = [
- '<nav class="navbar">',
- ' <ul class="nav">',
- ' <li class="nav-item"><a id="li-jsm-1" class="nav-link" href="#div-jsm-1">div 1</a></li>',
- ' <li class="nav-item"><a id="li-jsm-2" class="nav-link" href="#div-jsm-2">div 2</a></li>',
- ' <li class="nav-item"><a id="li-jsm-3" class="nav-link" href="#div-jsm-3">div 3</a></li>',
- ' </ul>',
- '</nav>',
- '<div class="content" style="position: relative; overflow: auto; height: 100px">',
- ' <div id="div-jsm-1" style="position: relative; height: 200px; padding: 0; margin: 0">div 1</div>',
- ' <div id="div-jsm-2" style="position: relative; height: 150px; padding: 0; margin: 0">div 2</div>',
- ' <div id="div-jsm-3" style="position: relative; height: 250px; padding: 0; margin: 0">div 3</div>',
- '</div>'
- ].join('')
-
- const contentEl = fixtureEl.querySelector('.content')
- const targetEl = fixtureEl.querySelector('#div-jsm-2')
- const scrollSpy = new ScrollSpy(contentEl, {
- target: '.navbar',
- offset: 0,
- method: 'position'
- })
-
- expect(scrollSpy._offsets[1]).not.toEqual(Manipulator.offset(targetEl).top)
- expect(scrollSpy._offsets[1]).toEqual(Manipulator.position(targetEl).top)
- })
- })
-
- describe('dispose', () => {
- it('should dispose a scrollspy', () => {
- spyOn(EventHandler, 'off')
- fixtureEl.innerHTML = '<div style="display: none;"></div>'
-
- const divEl = fixtureEl.querySelector('div')
- const scrollSpy = new ScrollSpy(divEl)
-
- scrollSpy.dispose()
- expect(EventHandler.off).toHaveBeenCalledWith(divEl, '.bs.scrollspy')
- })
- })
-
- describe('jQueryInterface', () => {
- it('should create a scrollspy', () => {
- fixtureEl.innerHTML = '<div></div>'
-
- const div = fixtureEl.querySelector('div')
-
- jQueryMock.fn.scrollspy = ScrollSpy.jQueryInterface
- jQueryMock.elements = [div]
-
- jQueryMock.fn.scrollspy.call(jQueryMock)
-
- expect(ScrollSpy.getInstance(div)).toBeDefined()
- })
-
- it('should not re create a scrollspy', () => {
- fixtureEl.innerHTML = '<div></div>'
-
- const div = fixtureEl.querySelector('div')
- const scrollSpy = new ScrollSpy(div)
-
- jQueryMock.fn.scrollspy = ScrollSpy.jQueryInterface
- jQueryMock.elements = [div]
-
- jQueryMock.fn.scrollspy.call(jQueryMock)
-
- expect(ScrollSpy.getInstance(div)).toEqual(scrollSpy)
- })
-
- it('should call a scrollspy method', () => {
- fixtureEl.innerHTML = '<div></div>'
-
- const div = fixtureEl.querySelector('div')
- const scrollSpy = new ScrollSpy(div)
-
- spyOn(scrollSpy, 'refresh')
-
- jQueryMock.fn.scrollspy = ScrollSpy.jQueryInterface
- jQueryMock.elements = [div]
-
- jQueryMock.fn.scrollspy.call(jQueryMock, 'refresh')
-
- expect(ScrollSpy.getInstance(div)).toEqual(scrollSpy)
- expect(scrollSpy.refresh).toHaveBeenCalled()
- })
-
- it('should throw error on undefined method', () => {
- fixtureEl.innerHTML = '<div></div>'
-
- const div = fixtureEl.querySelector('div')
- const action = 'undefinedMethod'
-
- jQueryMock.fn.scrollspy = ScrollSpy.jQueryInterface
- jQueryMock.elements = [div]
-
- try {
- jQueryMock.fn.scrollspy.call(jQueryMock, action)
- } catch (error) {
- expect(error.message).toEqual(`No method named "${action}"`)
- }
- })
- })
-
- describe('getInstance', () => {
- it('should return null if there is no instance', () => {
- expect(ScrollSpy.getInstance(fixtureEl)).toEqual(null)
- })
- })
-
- describe('event handler', () => {
- it('should create scrollspy on window load event', () => {
- fixtureEl.innerHTML = '<div data-spy="scroll"></div>'
-
- const scrollSpyEl = fixtureEl.querySelector('div')
-
- window.dispatchEvent(createEvent('load'))
-
- expect(ScrollSpy.getInstance(scrollSpyEl)).not.toBeNull()
- })
- })
-})
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-07 07:47:13 +0000