The pagination mechanism now relies on a jquery visible gem, which checks if/when the next link is visible

Gemfile

@@ -119,7 +119,7 @@ group :development, :test, :assets do
   # Use SASS for stylesheets
   gem 'sass-rails'
 
-  # Use jquery as the JavaScript library
+  # Use jquery and jquery-ui as the JavaScript library
   gem 'jquery-ui-rails'
   # Turbolinks makes following links in your web application
   # faster. Read more: https://github.com/rails/turbolinks
@@ -132,9 +132,9 @@ group :development, :test, :assets do
   # A superb font to use as icons
   gem 'font-awesome-sass'
 
-  # Carte openstreetmap
   source 'https://rails-assets.org' do
     gem 'rails-assets-jquery-sparkline'
+    gem 'rails-assets-jquery-visible'
     gem 'rails-assets-leaflet'
     gem 'rails-assets-leaflet.markercluster'
   end

Gemfile.lock

@@ -302,7 +302,10 @@ GEM
       bundler (>= 1.3.0)
       railties (= 5.2.0)
       sprockets-rails (>= 2.0.0)
+    rails-assets-jquery (3.3.1)
     rails-assets-jquery-sparkline (2.1.3)
+    rails-assets-jquery-visible (1.2.0)
+      rails-assets-jquery (> 1.6.0)
     rails-assets-leaflet (1.3.1)
     rails-assets-leaflet.markercluster (1.3.0)
       rails-assets-leaflet (>= 1.0.3)
@@ -491,6 +494,7 @@ DEPENDENCIES
   rack-livereload
   rails (>= 5.1.4)
   rails-assets-jquery-sparkline!
+  rails-assets-jquery-visible!
   rails-assets-leaflet!
   rails-assets-leaflet.markercluster!
   rails-controller-testing

app/assets/javascripts/application.js.coffee

@@ -15,6 +15,7 @@
 # For tags input
 #= require jquery-ui/widgets/autocomplete
 #= require jquery.tagsinput
+#= require jquery-visible
 #= require turbolinks
 #= require tinymce-jquery
 #= require modernizr

app/assets/javascripts/pagination.coffee

@@ -22,8 +22,7 @@ $(document).on 'turbolinks:load', ->
 				return $(this).parents('.pagination').remove()
 
 	# Go to the next page when page is scrolled
-	if $('.pagination .next a').size() > 0
 	$(document).scroll ->
-			if $(window).scrollTop() == $(document).height() - $(window).height() && $('.pagination .next a').is(':visible')
+		$('.pagination .next a:visible').filter =>
-				# "Next" link is also hidden while pagination is done
+			this.visible()
-				$('.pagination .next a').hide().click()
+		.hide().click() # "Next" link is hidden while pagination is done