Merge pull request #238 from splitbrain/logjserrors

In debug mode: catch and log JS errors with file information

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/scripts/helpers.js b/lib/scripts/helpers.js
index 632c4bff2..0b32e8781 100644
--- a/lib/scripts/helpers.js
+++ b/lib/scripts/helpers.js
@@ -49,3 +49,18 @@ function bind(fnc/*, ... */) {
                          static_args.concat(Aps.call(arguments, 0)));
     };
 }
+
+/**
+ * Report an error from a JS file to the console
+ *
+ * @param e    The error object
+ * @param file The file in which the error occurred
+ */
+function logError(e, file) {
+    if (window.console && console.error) {
+        console.error('The error "%s: %s" occurred in file "%s". ' +
+            'If this is in a plugin try updating or disabling the plugin, ' +
+            'if this is in a template try updating the template or switching to the "dokuwiki" template.',
+            e.name, e.message, file);
+    }
+}