Escape % in eventsource to prevent decoding problems

brycekahle · brycekahle · commit b417cd704b86 · 2020-08-02T15:54:04.000-04:00
Since `decodeUri` is used on client side, we should escape % to prevent problems. See sockjs/sockjs-client#490 for a reported issue.
diff --git a/src/trans-eventsource.coffee b/src/trans-eventsource.coffee
@@ -14,7 +14,7 @@ class EventSourceReceiver extends transport.ResponseReceiver
     doSendFrame: (payload) ->
         # Beware of leading whitespace
         data = ['data: ',
-                utils.escape_selected(payload, '\r\n\x00'),
+                utils.escape_selected(payload, '%\r\n\x00'),
                 '\r\n\r\n']
         super(data.join(''))
 
