rewrite scrollspy unit tests

1 files changed, 0 insertions, 355 deletions

diff --git a/js/src/scrollspy.js b/js/src/scrollspy.js
deleted file mode 100644
index bcaab8b675..0000000000
--- a/js/src/scrollspy.js
+++ /dev/null
@@ -1,355 +0,0 @@
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v4.3.1): scrollspy.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import {
-  jQuery as $,
-  getSelectorFromElement,
-  getUID,
-  makeArray,
-  typeCheckConfig
-} from './util/index'
-import Data from './dom/data'
-import EventHandler from './dom/event-handler'
-import Manipulator from './dom/manipulator'
-import SelectorEngine from './dom/selector-engine'
-
-/**
- * ------------------------------------------------------------------------
- * Constants
- * ------------------------------------------------------------------------
- */
-
-const NAME = 'scrollspy'
-const VERSION = '4.3.1'
-const DATA_KEY = 'bs.scrollspy'
-const EVENT_KEY = `.${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)))
-})
-
-/**
- * ------------------------------------------------------------------------
- * jQuery
- * ------------------------------------------------------------------------
- */
-
-if (typeof $ !== 'undefined') {
-  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