From 695deb09470745a748c2bd89698622861d8ab54c Mon Sep 17 00:00:00 2001
From: j <j@mailb.org>
Date: Tue, 23 Feb 2016 13:45:37 +0530
Subject: [PATCH] log js errors

---
 oml/api.py       | 13 +++++++++++++
 static/js/oml.js | 14 ++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/oml/api.py b/oml/api.py
index 2bf89f1..f2f5448 100644
--- a/oml/api.py
+++ b/oml/api.py
@@ -13,6 +13,8 @@ import item.api
 import user.api
 import update
 
+import logging
+logger = logging.getLogger(__name__)
 
 def selectFolder(data):
     '''
@@ -88,3 +90,14 @@ def quit(data):
     state.main.stop()
     return {}
 actions.register(quit, cache=False)
+
+def logError(data):
+    '''
+        takes {
+        }
+        returns {
+        }
+    '''
+    #logger.debug('frontend error %s', data)
+    return {}
+actions.register(logError, cache=False)
diff --git a/static/js/oml.js b/static/js/oml.js
index bebdf4c..d94a2bb 100644
--- a/static/js/oml.js
+++ b/static/js/oml.js
@@ -1,6 +1,20 @@
 'use strict';
 
 (function() {
+    window.onerror = function(error, url, line, column, errorObj) {
+        if (error == 'TypeError: Attempted to assign to readonly property.') {
+            return;
+        }
+        try {
+            var stack = (errorObj && errorObj.stack) || "(no stack trace available)";
+
+            !/^resource:/.test(url) && oml.api.logError({
+                text: error + "\n\n" + stack,
+                url: document.location.pathname + ' at ' + url,
+                line: line
+            });
+        } catch(e) {}
+    };
 
     var animationInterval,
         enableDebugMode = getLocalStorage('oml.enableDebugMode'),