Acme.BookStore.HttpApi.Host/node_modules/bootstrap-v4-rtl/js/src/scrollspy.js

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/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.6.0): scrollspy.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
 * --------------------------------------------------------------------------
 */

import $ from 'jquery'
import Util from './util'

/**
 * ------------------------------------------------------------------------
 * Constants
 * ------------------------------------------------------------------------
 */

const NAME = 'scrollspy'
const VERSION = '4.6.0'
const DATA_KEY = 'bs.scrollspy'
const EVENT_KEY = `.${DATA_KEY}`
const DATA_API_KEY = '.data-api'
const JQUERY_NO_CONFLICT = $.fn[NAME]

const Default = {
  offset: 10,
  method: 'auto',
  target: ''
}

const DefaultType = {
  offset: 'number',
  method: 'string',
  target: '(string|element)'
}

const EVENT_ACTIVATE = `activate${EVENT_KEY}`
const EVENT_SCROLL = `scroll${EVENT_KEY}`
const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`

const CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item'
const CLASS_NAME_ACTIVE = 'active'

const SELECTOR_DATA_SPY = '[data-spy="scroll"]'
const SELECTOR_NAV_LIST_GROUP = '.nav, .list-group'
const SELECTOR_NAV_LINKS = '.nav-link'
const SELECTOR_NAV_ITEMS = '.nav-item'
const SELECTOR_LIST_ITEMS = '.list-group-item'
const SELECTOR_DROPDOWN = '.dropdown'
const SELECTOR_DROPDOWN_ITEMS = '.dropdown-item'
const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle'

const METHOD_OFFSET = 'offset'
const METHOD_POSITION = 'position'

/**
 * ------------------------------------------------------------------------
 * Class Definition
 * ------------------------------------------------------------------------
 */