Simplest infinite scroll module (194 bytes GZIPPED)

whenScrolled.js

(function() {
	'use strict';

	var modules = [];

	angular
		.module('directive.whenScrolled', modules)
		.directive('whenScrolled', whenScrolled);

	function whenScrolled() {
		return {
			restrict: 'A',
			link: function(scope, elem, attrs) {
				// we get a list of elements of size 1 and need the first element
				var raw = elem[0];

				// we load more elements when scrolled past a limit
				elem.bind('scroll', function() {
					if (raw.scrollTop + raw.offsetHeight + 5 >= raw.scrollHeight) {
						scope.loading = true;

						// we can give any function which loads more elements into the list
						scope.$apply(attrs.whenScrolled);
					}
				});
			}
		}
	}
})();