Timeslider: Install an error handler

src/static/js/pad_utils.js

@@ -296,6 +296,7 @@ const padutils = {
 let globalExceptionHandler = null;
 padutils.setupGlobalExceptionHandler = () => {
   if (globalExceptionHandler == null) {
+    require('./vendors/gritter');
     globalExceptionHandler = (e) => {
       let type;
       let err;

src/static/js/timeslider.js

@@ -29,11 +29,13 @@ require('./vendors/jquery');
 const Cookies = require('./pad_utils').Cookies;
 const randomString = require('./pad_utils').randomString;
 const hooks = require('./pluginfw/hooks');
+const padutils = require('./pad_utils').padutils;
 const socketio = require('./socketio');
 
 let token, padId, exportLinks, socket, changesetLoader, BroadcastSlider;
 
 const init = () => {
+  padutils.setupGlobalExceptionHandler();
   $(document).ready(() => {
     // start the custom js
     if (typeof customStart === 'function') customStart(); // eslint-disable-line no-undef

src/templates/timeslider.html

@@ -29,6 +29,7 @@
     for the JavaScript code in this page.|
     */
   </script>
+  <script src="../../static/js/basic_error_handler.js?v=<%=settings.randomVersionString%>"></script>
   <meta charset="utf-8">
   <meta name="robots" content="noindex, nofollow">
   <meta name="referrer" content="no-referrer">