Make open source

app/assets/javascripts/guests.js

@@ -0,0 +1,13 @@
+// Place all the behaviors and hooks related to the matching controller here.
+// All this logic will automatically be available in application.js.
+
+$(function () {
+  var radioMatcher = '#guest-edit-form input[name="guest[attending]"]'
+  var radioButtons = $(radioMatcher)
+  function toggleAttendingOnly () {
+    var attending = $(radioMatcher + ':checked').val()
+    $('.guest-attending-only textarea').attr('disabled', attending !== 'true')
+  }
+  radioButtons.on('change', toggleAttendingOnly)
+  toggleAttendingOnly()
+})