infinite.js
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/*!
Waypoints Infinite Scroll Shortcut - 4.0.0
Copyright © 2011-2015 Caleb Troughton
Licensed under the MIT license.
https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
*/
(function() {
'use strict'
var $ = window.jQuery
var Waypoint = window.Waypoint
/* http://imakewebthings.com/waypoints/shortcuts/infinite-scroll */
function Infinite(options) {
this.options = $.extend({}, Infinite.defaults, options)
this.container = this.options.element
if (this.options.container !== 'auto') {
this.container = this.options.container
}
this.$container = $(this.container)
this.$more = $(this.options.more)
if (this.$more.length) {
this.setupHandler()
this.waypoint = new Waypoint(this.options)
}
}
/* Private */
Infinite.prototype.setupHandler = function() {
this.options.handler = $.proxy(function() {
this.options.onBeforePageLoad()
this.destroy()
this.$container.addClass(this.options.loadingClass)
$.get($(this.options.more).attr('href'), $.proxy(function(data) {
var $data = $($.parseHTML(data))
var $newMore = $data.find(this.options.more)
var $items = $data.find(this.options.items)
if (!$items.length) {
$items = $data.filter(this.options.items)
}
this.$container.append($items)
this.$container.removeClass(this.options.loadingClass)
if (!$newMore.length) {
$newMore = $data.filter(this.options.more)
}
if ($newMore.length) {
this.$more.replaceWith($newMore)
this.$more = $newMore
this.waypoint = new Waypoint(this.options)
}
else {
this.$more.remove()
}
this.options.onAfterPageLoad($items)
}, this))
}, this)
}
/* Public */
Infinite.prototype.destroy = function() {
if (this.waypoint) {
this.waypoint.destroy()
}
}
Infinite.defaults = {
container: 'auto',
items: '.infinite-item',
more: '.infinite-more-link',
offset: 'bottom-in-view',
loadingClass: 'infinite-loading',
onBeforePageLoad: $.noop,
onAfterPageLoad: $.noop
}
Waypoint.Infinite = Infinite
}())
;