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Commit 2d91494d authored by fat's avatar fat
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scrollspy es6

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Gruntfile.js
View file @ 2d91494d
......@@ -63,13 +63,14 @@ module.exports = function (grunt) {
},
dist: {
files: {
'js/dist/util.js' : 'js/src/util.js',
'js/dist/alert.js' : 'js/src/alert.js',
'js/dist/button.js' : 'js/src/button.js',
'js/dist/carousel.js' : 'js/src/carousel.js',
'js/dist/collapse.js' : 'js/src/collapse.js',
'js/dist/dropdown.js' : 'js/src/dropdown.js',
'js/dist/modal.js' : 'js/src/modal.js'
'js/dist/util.js' : 'js/src/util.js',
'js/dist/alert.js' : 'js/src/alert.js',
'js/dist/button.js' : 'js/src/button.js',
'js/dist/carousel.js' : 'js/src/carousel.js',
'js/dist/collapse.js' : 'js/src/collapse.js',
'js/dist/dropdown.js' : 'js/src/dropdown.js',
'js/dist/modal.js' : 'js/src/modal.js',
'js/dist/scrollspy.js' : 'js/src/scrollspy.js'
}
}
},
......
js/dist/scrollspy.js 0 → 100644
View file @ 2d91494d
'use strict';
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.0.0): scrollspy.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
var ScrollSpy = (function ($) {
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
var NAME = 'scrollspy';
var VERSION = '4.0.0';
var DATA_KEY = 'bs.scrollspy';
var JQUERY_NO_CONFLICT = $.fn[NAME];
var TRANSITION_DURATION = 150;
var Defaults = {
offset: 10
};
var Event = {
ACTIVATE: 'activate.bs.scrollspy',
SCROLL: 'scroll.bs.scrollspy',
LOAD: 'load.bs.scrollspy.data-api'
};
var ClassName = {
DROPDOWN_MENU: 'dropdown-menu',
ACTIVE: 'active'
};
var Selector = {
DATA_SPY: '[data-spy="scroll"]',
ACTIVE: '.active',
LI_DROPDOWN: 'li.dropdown',
LI: 'li'
};
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
var ScrollSpy = (function () {
function ScrollSpy(element, config) {
_classCallCheck(this, ScrollSpy);
this._scrollElement = element.tagName === 'BODY' ? window : element;
this._config = $.extend({}, Defaults, config);
this._selector = '' + (this._config.target || '') + ' .nav li > a';
this._offsets = [];
this._targets = [];
this._activeTarget = null;
this._scrollHeight = 0;
$(this._scrollElement).on(Event.SCROLL, this._process.bind(this));
this.refresh();
this._process();
}
_createClass(ScrollSpy, [{
key: 'refresh',
// public
value: function refresh() {
var _this = this;
var offsetMethod = 'offset';
var offsetBase = 0;
if (this._scrollElement !== this._scrollElement.window) {
offsetMethod = 'position';
offsetBase = this._getScrollTop();
}
this._offsets = [];
this._targets = [];
this._scrollHeight = this._getScrollHeight();
var targets = $.makeArray($(this._selector));
targets.map(function (element) {
var target = undefined;
var targetSelector = Util.getSelectorFromElement(element);
if (targetSelector) {
target = $(targetSelector)[0];
}
if (target && (target.offsetWidth || target.offsetHeight)) {
// todo (fat): remove sketch reliance on jQuery position/offset
return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
}
}).filter(function (item) {
return item;
}).sort(function (a, b) {
return a[0] - b[0];
}).forEach(function (item) {
_this._offsets.push(item[0]);
_this._targets.push(item[1]);
});
}
}, {
key: '_getScrollTop',
// private
value: function _getScrollTop() {
return this._scrollElement === window ? this._scrollElement.scrollY : this._scrollElement.scrollTop;
}
}, {
key: '_getScrollHeight',
value: function _getScrollHeight() {
return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
}
}, {
key: '_process',
value: function _process() {
var scrollTop = this._getScrollTop() + this._config.offset;
var scrollHeight = this._getScrollHeight();
var maxScroll = this._config.offset + scrollHeight - this._scrollElement.offsetHeight;
if (this._scrollHeight !== scrollHeight) {
this.refresh();
}
if (scrollTop >= maxScroll) {
var target = this._targets[this._targets.length - 1];
if (this._activeTarget !== target) {
this._activate(target);
}
}
if (this._activeTarget && scrollTop < this._offsets[0]) {
this._activeTarget = null;
this._clear();
return;
}
for (var i = this._offsets.length; i--;) {
var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (this._offsets[i + 1] === undefined || scrollTop < this._offsets[i + 1]);
if (isActiveTarget) {
this._activate(this._targets[i]);
}
}
}
}, {
key: '_activate',
value: function _activate(target) {
this._activeTarget = target;
this._clear();
var selector = '' + this._selector + '[data-target="' + target + '"],' + ('' + this._selector + '[href="' + target + '"]');
// todo (fat): getting all the raw li's up the tree is not great.
var parentListItems = $(selector).parents(Selector.LI);
for (var i = parentListItems.length; i--;) {
$(parentListItems[i]).addClass(ClassName.ACTIVE);
var itemParent = parentListItems[i].parentNode;
if (itemParent && $(itemParent).hasClass(ClassName.DROPDOWN_MENU)) {
var closestDropdown = $(itemParent).closest(Selector.LI_DROPDOWN)[0];
$(closestDropdown).addClass(ClassName.ACTIVE);
}
}
$(this._scrollElement).trigger(Event.ACTIVATE, {
relatedTarget: target
});
}
}, {
key: '_clear',
value: function _clear() {
var activeParents = $(this._selector).parentsUntil(this._config.target, Selector.ACTIVE);
for (var i = activeParents.length; i--;) {
$(activeParents[i]).removeClass(ClassName.ACTIVE);
}
}
}], [{
key: 'VERSION',
// getters
get: function () {
return VERSION;
}
}, {
key: 'Default',
get: function () {
return Default;
}
}, {
key: '_jQueryInterface',
// static
value: function _jQueryInterface(config) {
return this.each(function () {
var data = $(this).data(DATA_KEY);
var _config = typeof config === 'object' && config || null;
if (!data) {
data = new ScrollSpy(this, _config);
$(this).data(DATA_KEY, data);
}
if (typeof config === 'string') {
data[config]();
}
});
}
}]);
return ScrollSpy;
})();
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
$(window).on(Event.LOAD, function () {
var scrollSpys = $.makeArray($(Selector.DATA_SPY));
for (var i = scrollSpys.length; i--;) {
var $spy = $(scrollSpys[i]);
ScrollSpy._jQueryInterface.call($spy, $spy.data());
}
});
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
*/
$.fn[NAME] = ScrollSpy._jQueryInterface;
$.fn[NAME].Constructor = ScrollSpy;
$.fn[NAME].noConflict = function () {
$.fn[NAME] = JQUERY_NO_CONFLICT;
return ScrollSpy._jQueryInterface;
};
return ScrollSpy;
})(jQuery);
//# sourceMappingURL=scrollspy.js.map
\ No newline at end of file
js/dist/scrollspy.js.map 0 → 100644
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This diff was suppressed by a .gitattributes entry.
js/modal.js deleted 100644 → 0
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js/src/scrollspy.js 0 → 100644
View file @ 2d91494d
import Util from './util'
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.0.0): scrollspy.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
const ScrollSpy = (($) => {
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
const NAME = 'scrollspy'
const VERSION = '4.0.0'
const DATA_KEY = 'bs.scrollspy'
const JQUERY_NO_CONFLICT = $.fn[NAME]
const TRANSITION_DURATION = 150
const Defaults = {
offset : 10
}
const Event = {
ACTIVATE : 'activate.bs.scrollspy',
SCROLL : 'scroll.bs.scrollspy',
LOAD : 'load.bs.scrollspy.data-api'
}
const ClassName = {
DROPDOWN_MENU : 'dropdown-menu',
ACTIVE : 'active'
}
const Selector = {
DATA_SPY : '[data-spy="scroll"]',
ACTIVE : '.active',
LI_DROPDOWN : 'li.dropdown',
LI : 'li'
}
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class ScrollSpy {
constructor(element, config) {
this._scrollElement = element.tagName === 'BODY' ? window : element
this._config = $.extend({}, Defaults, config)
this._selector = `${this._config.target || ''} .nav li > a`
this._offsets = []
this._targets = []
this._activeTarget = null
this._scrollHeight = 0
$(this._scrollElement).on(Event.SCROLL, this._process.bind(this))
this.refresh()
this._process()
}
// getters
static get VERSION() {
return VERSION
}
static get Default() {
return Default
}
// public
refresh() {
let offsetMethod = 'offset'
let offsetBase = 0
if (this._scrollElement !== this._scrollElement.window) {
offsetMethod = 'position'
offsetBase = this._getScrollTop()
}
this._offsets = []
this._targets = []
this._scrollHeight = this._getScrollHeight()
let targets = $.makeArray($(this._selector))
targets
.map((element) => {
let target
let targetSelector = Util.getSelectorFromElement(element)
if (targetSelector) {
target = $(targetSelector)[0]
}
if (target && (target.offsetWidth || target.offsetHeight)) {
// todo (fat): remove sketch reliance on jQuery position/offset
return [
$(target)[offsetMethod]().top + offsetBase,
targetSelector
]
}
})
.filter((item) => item)
.sort((a, b) => a[0] - b[0])
.forEach((item) => {
this._offsets.push(item[0])
this._targets.push(item[1])
})
}
// private
_getScrollTop() {
return this._scrollElement === window ?
this._scrollElement.scrollY : this._scrollElement.scrollTop
}
_getScrollHeight() {
return this._scrollElement.scrollHeight || Math.max(
document.body.scrollHeight,
document.documentElement.scrollHeight
)
}
_process() {
let scrollTop = this._getScrollTop() + this._config.offset
let scrollHeight = this._getScrollHeight()
let maxScroll = this._config.offset
+ scrollHeight
- this._scrollElement.offsetHeight
if (this._scrollHeight !== scrollHeight) {
this.refresh()
}
if (scrollTop >= maxScroll) {
let target = this._targets[this._targets.length - 1]
if (this._activeTarget !== target) {
this._activate(target)
}
}
if (this._activeTarget && scrollTop < this._offsets[0]) {
this._activeTarget = null
this._clear()
return
}
for (let i = this._offsets.length; i--;) {
let isActiveTarget = this._activeTarget !== this._targets[i]
&& scrollTop >= this._offsets[i]
&& (this._offsets[i + 1] === undefined ||
scrollTop < this._offsets[i + 1])
if (isActiveTarget) {
this._activate(this._targets[i])
}
}
}
_activate(target) {
this._activeTarget = target
this._clear()
let selector =
`${this._selector}[data-target="${target}"],` +
`${this._selector}[href="${target}"]`
// todo (fat): getting all the raw li's up the tree is not great.
let parentListItems = $(selector).parents(Selector.LI)
for (let i = parentListItems.length; i--;) {
$(parentListItems[i]).addClass(ClassName.ACTIVE)
let itemParent = parentListItems[i].parentNode
if (itemParent && $(itemParent).hasClass(ClassName.DROPDOWN_MENU)) {
let closestDropdown = $(itemParent)
.closest(Selector.LI_DROPDOWN)[0]
$(closestDropdown).addClass(ClassName.ACTIVE)
}
}
$(this._scrollElement).trigger(Event.ACTIVATE, {
relatedTarget: target
})
}
_clear() {
let activeParents = $(this._selector).parentsUntil(
this._config.target,
Selector.ACTIVE
)
for (let i = activeParents.length; i--;) {
$(activeParents[i]).removeClass(ClassName.ACTIVE)
}
}
// static
static _jQueryInterface(config) {
return this.each(function () {
let data = $(this).data(DATA_KEY)
let _config = typeof config === 'object' && config || null
if (!data) {
data = new ScrollSpy(this, _config)
$(this).data(DATA_KEY, data)
}
if (typeof config === 'string') {
data[config]()
}
})
}
}
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
$(window).on(Event.LOAD, function () {
let scrollSpys = $.makeArray($(Selector.DATA_SPY))
for (let i = scrollSpys.length; i--;) {
let $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
})(jQuery)
export default ScrollSpy
js/tests/index.html
View file @ 2d91494d
......@@ -137,9 +137,9 @@
<script src="../../js/dist/collapse.js"></script>
<script src="../../js/dist/dropdown.js"></script>
<script src="../../js/dist/modal.js"></script>
<script src="../../js/dist/scrollspy.js"></script>
<!-- Old Plugin sources -->
<script src="../../js/scrollspy.js"></script>
<script src="../../js/tab.js"></script>
<script src="../../js/tooltip.js"></script>
<script src="../../js/popover.js"></script>
......
js/tests/visual/scrollspy.html
View file @ 2d91494d
......@@ -24,21 +24,12 @@
<nav class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container-fluid">
<div class="navbar-header">
<button class="navbar-toggle collapsed" type="button" data-toggle="collapse" data-target=".js-navbar-scrollspy">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">Project Name</a>
</div>
<div class="collapse navbar-collapse js-navbar-scrollspy">
<div class="js-navbar-scrollspy">
<ul class="nav navbar-nav">
<li class=""><a href="#fat">@fat</a></li>
<li class=""><a href="#mdo">@mdo</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
<li class="nav-item active"><a class="nav-link" href="#fat">@fat</a></li>
<li class="nav-item"><a class="nav-link" href="#mdo">@mdo</a></li>
<li class="dropdown nav-item">
<a href="#" class="dropdown-toggle nav-link" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
<ul class="dropdown-menu" role="menu">
<li class=""><a href="#one" tabindex="-1">one</a></li>
<li><a href="#two" tabindex="-1">two</a></li>
......@@ -100,10 +91,10 @@
<!-- JavaScript Includes -->
<script src="../vendor/jquery.min.js"></script>
<script src="../../transition.js"></script>
<script src="../../scrollspy.js"></script>
<script src="../../dropdown.js"></script>
<script src="../../collapse.js"></script>
<script src="../../dist/util.js"></script>
<script src="../../dist/scrollspy.js"></script>
<script src="../../dist/dropdown.js"></script>
<script src="../../dist/collapse.js"></script>
</body>
</html>
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