diff --git a/js/dist/scrollspy.js b/js/dist/scrollspy.js index 2fb9b5880a45..2b4845665324 100644 --- a/js/dist/scrollspy.js +++ b/js/dist/scrollspy.js @@ -182,10 +182,14 @@ var ScrollSpy = function ($) { return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight); }; + ScrollSpy.prototype._getOffsetHeight = function _getOffsetHeight() { + return this._scrollElement === window ? window.innerHeight : this._scrollElement.offsetHeight; + }; + ScrollSpy.prototype._process = function _process() { var scrollTop = this._getScrollTop() + this._config.offset; var scrollHeight = this._getScrollHeight(); - var maxScroll = this._config.offset + scrollHeight - this._scrollElement.offsetHeight; + var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight(); if (this._scrollHeight !== scrollHeight) { this.refresh(); @@ -197,6 +201,7 @@ var ScrollSpy = function ($) { if (this._activeTarget !== target) { this._activate(target); } + return; } if (this._activeTarget && scrollTop < this._offsets[0]) { diff --git a/js/dist/scrollspy.js.map b/js/dist/scrollspy.js.map index c46a3f60d88f..037a05031c5c 100644 --- a/js/dist/scrollspy.js.map +++ b/js/dist/scrollspy.js.map @@ -1 +1 @@ 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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst ScrollSpy = (($) => {\n\n\n /**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\n const NAME = 'scrollspy'\n const VERSION = '4.0.0-alpha.5'\n const DATA_KEY = 'bs.scrollspy'\n const EVENT_KEY = `.${DATA_KEY}`\n const DATA_API_KEY = '.data-api'\n const JQUERY_NO_CONFLICT = $.fn[NAME]\n\n const Default = {\n offset : 10,\n method : 'auto',\n target : ''\n }\n\n const DefaultType = {\n offset : 'number',\n method : 'string',\n target : '(string|element)'\n }\n\n const Event = {\n ACTIVATE : `activate${EVENT_KEY}`,\n SCROLL : `scroll${EVENT_KEY}`,\n LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`\n }\n\n const ClassName = {\n DROPDOWN_ITEM : 'dropdown-item',\n DROPDOWN_MENU : 'dropdown-menu',\n NAV_LINK : 'nav-link',\n NAV : 'nav',\n ACTIVE : 'active'\n }\n\n const Selector = {\n DATA_SPY : '[data-spy=\"scroll\"]',\n ACTIVE : '.active',\n LIST_ITEM : '.list-item',\n LI : 'li',\n LI_DROPDOWN : 'li.dropdown',\n NAV_LINKS : '.nav-link',\n DROPDOWN : '.dropdown',\n DROPDOWN_ITEMS : '.dropdown-item',\n DROPDOWN_TOGGLE : '.dropdown-toggle'\n }\n\n const OffsetMethod = {\n OFFSET : 'offset',\n POSITION : 'position'\n }\n\n\n /**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\n class ScrollSpy {\n\n constructor(element, config) {\n this._element = element\n this._scrollElement = element.tagName === 'BODY' ? window : element\n this._config = this._getConfig(config)\n this._selector = `${this._config.target} ${Selector.NAV_LINKS},`\n + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`\n this._offsets = []\n this._targets = []\n this._activeTarget = null\n this._scrollHeight = 0\n\n $(this._scrollElement).on(Event.SCROLL, (event) => this._process(event))\n\n this.refresh()\n this._process()\n }\n\n\n // getters\n\n static get VERSION() {\n return VERSION\n }\n\n static get Default() {\n return Default\n }\n\n\n // public\n\n refresh() {\n const autoMethod = this._scrollElement !== this._scrollElement.window ?\n OffsetMethod.POSITION : OffsetMethod.OFFSET\n\n const offsetMethod = this._config.method === 'auto' ?\n autoMethod : this._config.method\n\n const offsetBase = offsetMethod === OffsetMethod.POSITION ?\n this._getScrollTop() : 0\n\n this._offsets = []\n this._targets = []\n\n this._scrollHeight = this._getScrollHeight()\n\n const targets = $.makeArray($(this._selector))\n\n targets\n .map((element) => {\n let target\n const targetSelector = Util.getSelectorFromElement(element)\n\n if (targetSelector) {\n target = $(targetSelector)[0]\n }\n\n if (target && (target.offsetWidth || target.offsetHeight)) {\n // todo (fat): remove sketch reliance on jQuery position/offset\n return [\n $(target)[offsetMethod]().top + offsetBase,\n targetSelector\n ]\n }\n return null\n })\n .filter((item) => item)\n .sort((a, b) => a[0] - b[0])\n .forEach((item) => {\n this._offsets.push(item[0])\n this._targets.push(item[1])\n })\n }\n\n dispose() {\n $.removeData(this._element, DATA_KEY)\n $(this._scrollElement).off(EVENT_KEY)\n\n this._element = null\n this._scrollElement = null\n this._config = null\n this._selector = null\n this._offsets = null\n this._targets = null\n this._activeTarget = null\n this._scrollHeight = null\n }\n\n\n // private\n\n _getConfig(config) {\n config = $.extend({}, Default, config)\n\n if (typeof config.target !== 'string') {\n let id = $(config.target).attr('id')\n if (!id) {\n id = Util.getUID(NAME)\n $(config.target).attr('id', id)\n }\n config.target = `#${id}`\n }\n\n Util.typeCheckConfig(NAME, config, DefaultType)\n\n return config\n }\n\n _getScrollTop() {\n return this._scrollElement === window ?\n this._scrollElement.scrollY : this._scrollElement.scrollTop\n }\n\n _getScrollHeight() {\n return this._scrollElement.scrollHeight || Math.max(\n document.body.scrollHeight,\n document.documentElement.scrollHeight\n )\n }\n\n _process() {\n const scrollTop = this._getScrollTop() + this._config.offset\n const scrollHeight = this._getScrollHeight()\n const maxScroll = this._config.offset\n + scrollHeight\n - this._scrollElement.offsetHeight\n\n if (this._scrollHeight !== scrollHeight) {\n this.refresh()\n }\n\n if (scrollTop >= maxScroll) {\n const target = this._targets[this._targets.length - 1]\n\n if (this._activeTarget !== target) {\n this._activate(target)\n }\n }\n\n if (this._activeTarget && scrollTop < this._offsets[0]) {\n this._activeTarget = null\n this._clear()\n return\n }\n\n for (let i = this._offsets.length; i--;) {\n const isActiveTarget = this._activeTarget !== this._targets[i]\n && scrollTop >= this._offsets[i]\n && (this._offsets[i + 1] === undefined ||\n scrollTop < this._offsets[i + 1])\n\n if (isActiveTarget) {\n this._activate(this._targets[i])\n }\n }\n }\n\n _activate(target) {\n this._activeTarget = target\n\n this._clear()\n\n let queries = this._selector.split(',')\n queries = queries.map((selector) => {\n return `${selector}[data-target=\"${target}\"],` +\n `${selector}[href=\"${target}\"]`\n })\n\n const $link = $(queries.join(','))\n\n if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {\n $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n $link.addClass(ClassName.ACTIVE)\n } else {\n // todo (fat) this is kinda sus...\n // recursively add actives to tested nav-links\n $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE)\n }\n\n 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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst ScrollSpy = (($) => {\n\n\n /**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\n const NAME = 'scrollspy'\n const VERSION = '4.0.0-alpha.5'\n const DATA_KEY = 'bs.scrollspy'\n const EVENT_KEY = `.${DATA_KEY}`\n const DATA_API_KEY = '.data-api'\n const JQUERY_NO_CONFLICT = $.fn[NAME]\n\n const Default = {\n offset : 10,\n method : 'auto',\n target : ''\n }\n\n const DefaultType = {\n offset : 'number',\n method : 'string',\n target : '(string|element)'\n }\n\n const Event = {\n ACTIVATE : `activate${EVENT_KEY}`,\n SCROLL : `scroll${EVENT_KEY}`,\n LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`\n }\n\n const ClassName = {\n DROPDOWN_ITEM : 'dropdown-item',\n DROPDOWN_MENU : 'dropdown-menu',\n NAV_LINK : 'nav-link',\n NAV : 'nav',\n ACTIVE : 'active'\n }\n\n const Selector = {\n DATA_SPY : '[data-spy=\"scroll\"]',\n ACTIVE : '.active',\n LIST_ITEM : '.list-item',\n LI : 'li',\n LI_DROPDOWN : 'li.dropdown',\n NAV_LINKS : '.nav-link',\n DROPDOWN : '.dropdown',\n DROPDOWN_ITEMS : '.dropdown-item',\n DROPDOWN_TOGGLE : '.dropdown-toggle'\n }\n\n const OffsetMethod = {\n OFFSET : 'offset',\n POSITION : 'position'\n }\n\n\n /**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\n class ScrollSpy {\n\n constructor(element, config) {\n this._element = element\n this._scrollElement = element.tagName === 'BODY' ? window : element\n this._config = this._getConfig(config)\n this._selector = `${this._config.target} ${Selector.NAV_LINKS},`\n + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`\n this._offsets = []\n this._targets = []\n this._activeTarget = null\n this._scrollHeight = 0\n\n $(this._scrollElement).on(Event.SCROLL, (event) => this._process(event))\n\n this.refresh()\n this._process()\n }\n\n\n // getters\n\n static get VERSION() {\n return VERSION\n }\n\n static get Default() {\n return Default\n }\n\n\n // public\n\n refresh() {\n const autoMethod = this._scrollElement !== this._scrollElement.window ?\n OffsetMethod.POSITION : OffsetMethod.OFFSET\n\n const offsetMethod = this._config.method === 'auto' ?\n autoMethod : this._config.method\n\n const offsetBase = offsetMethod === OffsetMethod.POSITION ?\n this._getScrollTop() : 0\n\n this._offsets = []\n this._targets = []\n\n this._scrollHeight = this._getScrollHeight()\n\n const targets = $.makeArray($(this._selector))\n\n targets\n .map((element) => {\n let target\n const targetSelector = Util.getSelectorFromElement(element)\n\n if (targetSelector) {\n target = $(targetSelector)[0]\n }\n\n if (target && (target.offsetWidth || target.offsetHeight)) {\n // todo (fat): remove sketch reliance on jQuery position/offset\n return [\n $(target)[offsetMethod]().top + offsetBase,\n targetSelector\n ]\n }\n return null\n })\n .filter((item) => item)\n .sort((a, b) => a[0] - b[0])\n .forEach((item) => {\n this._offsets.push(item[0])\n this._targets.push(item[1])\n })\n }\n\n dispose() {\n $.removeData(this._element, DATA_KEY)\n $(this._scrollElement).off(EVENT_KEY)\n\n this._element = null\n this._scrollElement = null\n this._config = null\n this._selector = null\n this._offsets = null\n this._targets = null\n this._activeTarget = null\n this._scrollHeight = null\n }\n\n\n // private\n\n _getConfig(config) {\n config = $.extend({}, Default, config)\n\n if (typeof config.target !== 'string') {\n let id = $(config.target).attr('id')\n if (!id) {\n id = Util.getUID(NAME)\n $(config.target).attr('id', id)\n }\n config.target = `#${id}`\n }\n\n Util.typeCheckConfig(NAME, config, DefaultType)\n\n return config\n }\n\n _getScrollTop() {\n return this._scrollElement === window ?\n this._scrollElement.scrollY : this._scrollElement.scrollTop\n }\n\n _getScrollHeight() {\n return this._scrollElement.scrollHeight || Math.max(\n document.body.scrollHeight,\n document.documentElement.scrollHeight\n )\n }\n\n _getOffsetHeight() {\n return this._scrollElement === window ?\n window.innerHeight : this._scrollElement.offsetHeight\n }\n\n _process() {\n const scrollTop = this._getScrollTop() + this._config.offset\n const scrollHeight = this._getScrollHeight()\n const maxScroll = this._config.offset\n + scrollHeight\n - this._getOffsetHeight()\n\n if (this._scrollHeight !== scrollHeight) {\n this.refresh()\n }\n\n if (scrollTop >= maxScroll) {\n const target = this._targets[this._targets.length - 1]\n\n if (this._activeTarget !== target) {\n this._activate(target)\n }\n return\n }\n\n if (this._activeTarget && scrollTop < this._offsets[0]) {\n this._activeTarget = null\n this._clear()\n return\n }\n\n for (let i = this._offsets.length; i--;) {\n const isActiveTarget = this._activeTarget !== this._targets[i]\n && scrollTop >= this._offsets[i]\n && (this._offsets[i + 1] === undefined ||\n scrollTop < this._offsets[i + 1])\n\n if (isActiveTarget) {\n this._activate(this._targets[i])\n }\n }\n }\n\n _activate(target) {\n this._activeTarget = target\n\n this._clear()\n\n let queries = this._selector.split(',')\n queries = queries.map((selector) => {\n return `${selector}[data-target=\"${target}\"],` +\n `${selector}[href=\"${target}\"]`\n })\n\n const $link = $(queries.join(','))\n\n if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {\n $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n $link.addClass(ClassName.ACTIVE)\n } else {\n // todo (fat) this is kinda sus...\n // recursively add actives to tested nav-links\n $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE)\n }\n\n $(this._scrollElement).trigger(Event.ACTIVATE, {\n relatedTarget: target\n })\n }\n\n _clear() {\n $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE)\n }\n\n\n // static\n\n static _jQueryInterface(config) {\n return this.each(function () {\n let data = $(this).data(DATA_KEY)\n const _config = typeof config === 'object' && config\n\n if (!data) {\n data = new ScrollSpy(this, _config)\n $(this).data(DATA_KEY, data)\n }\n\n if (typeof config === 'string') {\n if (data[config] === undefined) {\n throw new Error(`No method named \"${config}\"`)\n }\n data[config]()\n }\n })\n }\n\n\n }\n\n\n /**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n $(window).on(Event.LOAD_DATA_API, () => {\n const scrollSpys = $.makeArray($(Selector.DATA_SPY))\n\n for (let i = scrollSpys.length; i--;) {\n const $spy = $(scrollSpys[i])\n ScrollSpy._jQueryInterface.call($spy, $spy.data())\n }\n })\n\n\n /**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n $.fn[NAME] = ScrollSpy._jQueryInterface\n $.fn[NAME].Constructor = ScrollSpy\n $.fn[NAME].noConflict = function () {\n $.fn[NAME] = JQUERY_NO_CONFLICT\n return ScrollSpy._jQueryInterface\n }\n\n return ScrollSpy\n\n})(jQuery)\n\nexport default ScrollSpy\n"]} \ No newline at end of file diff --git a/js/tests/visual/scrollspy.html b/js/tests/visual/scrollspy.html index 4c4b6ae45cdf..337611126ade 100644 --- a/js/tests/visual/scrollspy.html +++ b/js/tests/visual/scrollspy.html @@ -13,7 +13,7 @@
+
  • + Final +
    • @@ -76,6 +79,9 @@

    three

    Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.

    Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.

    Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.

    +
    +

    Final section

    +

    Ad leggings keytar, brunch id art party dolor labore.