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Diffstat (limited to 'assets/node_modules/bootstrap/js/src/scrollspy.js')
-rw-r--r-- | assets/node_modules/bootstrap/js/src/scrollspy.js | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/assets/node_modules/bootstrap/js/src/scrollspy.js b/assets/node_modules/bootstrap/js/src/scrollspy.js deleted file mode 100644 index 6c9c6d1..0000000 --- a/assets/node_modules/bootstrap/js/src/scrollspy.js +++ /dev/null @@ -1,329 +0,0 @@ -import $ from 'jquery' -import Util from './util' - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): scrollspy.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -const ScrollSpy = (($) => { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - - const NAME = 'scrollspy' - const VERSION = '4.0.0' - const DATA_KEY = 'bs.scrollspy' - const EVENT_KEY = `.${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}`, - SCROLL : `scroll${EVENT_KEY}`, - LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}` - } - - const ClassName = { - DROPDOWN_ITEM : 'dropdown-item', - DROPDOWN_MENU : 'dropdown-menu', - ACTIVE : 'active' - } - - const Selector = { - DATA_SPY : '[data-spy="scroll"]', - ACTIVE : '.active', - NAV_LIST_GROUP : '.nav, .list-group', - NAV_LINKS : '.nav-link', - NAV_ITEMS : '.nav-item', - LIST_ITEMS : '.list-group-item', - DROPDOWN : '.dropdown', - DROPDOWN_ITEMS : '.dropdown-item', - DROPDOWN_TOGGLE : '.dropdown-toggle' - } - - const OffsetMethod = { - OFFSET : 'offset', - POSITION : 'position' - } - - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - class ScrollSpy { - constructor(element, config) { - this._element = element - this._scrollElement = element.tagName === 'BODY' ? window : element - this._config = this._getConfig(config) - this._selector = `${this._config.target} ${Selector.NAV_LINKS},` + - `${this._config.target} ${Selector.LIST_ITEMS},` + - `${this._config.target} ${Selector.DROPDOWN_ITEMS}` - this._offsets = [] - this._targets = [] - this._activeTarget = null - this._scrollHeight = 0 - - $(this._scrollElement).on(Event.SCROLL, (event) => this._process(event)) - - this.refresh() - this._process() - } - - // 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 = $.makeArray($(this._selector)) - - targets - .map((element) => { - let target - const targetSelector = Util.getSelectorFromElement(element) - - if (targetSelector) { - target = $(targetSelector)[0] - } - - if (target) { - const targetBCR = target.getBoundingClientRect() - if (targetBCR.width || targetBCR.height) { - // TODO (fat): remove sketch reliance on jQuery position/offset - return [ - $(target)[offsetMethod]().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() { - $.removeData(this._element, DATA_KEY) - $(this._scrollElement).off(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, - ...config - } - - if (typeof config.target !== 'string') { - let id = $(config.target).attr('id') - if (!id) { - id = Util.getUID(NAME) - $(config.target).attr('id', id) - } - config.target = `#${id}` - } - - Util.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 - } - - for (let i = this._offsets.length; 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() - - let queries = this._selector.split(',') - // eslint-disable-next-line arrow-body-style - queries = queries.map((selector) => { - return `${selector}[data-target="${target}"],` + - `${selector}[href="${target}"]` - }) - - const $link = $(queries.join(',')) - - if ($link.hasClass(ClassName.DROPDOWN_ITEM)) { - $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE) - $link.addClass(ClassName.ACTIVE) - } else { - // Set triggered link as active - $link.addClass(ClassName.ACTIVE) - // Set triggered links parents as active - // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor - $link.parents(Selector.NAV_LIST_GROUP).prev(`${Selector.NAV_LINKS}, ${Selector.LIST_ITEMS}`).addClass(ClassName.ACTIVE) - // Handle special case when .nav-link is inside .nav-item - $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_ITEMS).children(Selector.NAV_LINKS).addClass(ClassName.ACTIVE) - } - - $(this._scrollElement).trigger(Event.ACTIVATE, { - relatedTarget: target - }) - } - - _clear() { - $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE) - } - - // Static - - static _jQueryInterface(config) { - return this.each(function () { - let data = $(this).data(DATA_KEY) - const _config = typeof config === 'object' && config - - if (!data) { - data = new ScrollSpy(this, _config) - $(this).data(DATA_KEY, data) - } - - if (typeof config === 'string') { - if (typeof data[config] === 'undefined') { - throw new TypeError(`No method named "${config}"`) - } - data[config]() - } - }) - } - } - - /** - * ------------------------------------------------------------------------ - * Data Api implementation - * ------------------------------------------------------------------------ - */ - - $(window).on(Event.LOAD_DATA_API, () => { - const scrollSpys = $.makeArray($(Selector.DATA_SPY)) - - for (let i = scrollSpys.length; i--;) { - const $spy = $(scrollSpys[i]) - ScrollSpy._jQueryInterface.call($spy, $spy.data()) - } - }) - - /** - * ------------------------------------------------------------------------ - * jQuery - * ------------------------------------------------------------------------ - */ - - $.fn[NAME] = ScrollSpy._jQueryInterface - $.fn[NAME].Constructor = ScrollSpy - $.fn[NAME].noConflict = function () { - $.fn[NAME] = JQUERY_NO_CONFLICT - return ScrollSpy._jQueryInterface - } - - return ScrollSpy -})($) - -export default ScrollSpy |