Force change of aria-hidden when modal shows or hides

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

public/js/cover.js

@@ -32,6 +32,8 @@ require('./locale')
 require('../css/cover.css')
 require('../css/site.css')
 
+require('./fix-aria-hidden-for-modals')
+
 const options = {
   valueNames: ['id', 'text', 'timestamp', 'fromNow', 'time', 'tags', 'pinned'],
   item: `<li class="col-xs-12 col-sm-6 col-md-6 col-lg-4">

public/js/fix-aria-hidden-for-modals.js

@@ -0,0 +1,5 @@
+$(document).on('shown.bs.modal', function (event) {
+  $(event.target).attr('aria-hidden', 'false')
+}).on('hidden.bs.modal', function (event) {
+  $(event.target).attr('aria-hidden', 'true')
+})

public/js/index.js

@@ -93,6 +93,7 @@ require('../css/slide-preview.css')
 require('../css/site.css')
 
 require('highlight.js/styles/github-gist.css')
+require('./fix-aria-hidden-for-modals')
 
 let defaultTextHeight = 20
 let viewportMargin = 20