From 9fde58721145d270b7315540387f862fa167a422 Mon Sep 17 00:00:00 2001
From: blagoev <lubo@blagoev.com>
Date: Mon, 2 Oct 2017 13:29:53 +0300
Subject: [PATCH] throw Error object always

---
 lib/browser/rpc.js | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/lib/browser/rpc.js b/lib/browser/rpc.js
index 4bcb755d..bd0d6eed 100644
--- a/lib/browser/rpc.js
+++ b/lib/browser/rpc.js
@@ -247,13 +247,16 @@ function sendRequest(command, data, host = sessionHost) {
             error = error.replace(/^[a-z]+: /i, '');
         }
         else if (error.type && error.type == 'dict') {
-            let responseError = deserialize_json_value(error);
+            const responseError = deserialize_json_value(error);
+            let responeMessage;
             if (response.message && response.message !== '') {
                 // Remove the type prefix from the error message (e.g. "Error: ").
-                responseError.message = response.message.replace(/^[a-z]+: /i, '');
+                responeMessage = response.message.replace(/^[a-z]+: /i, '');
             }
-                    
-            throw responseError;
+            
+            const exceptionToReport = new Error(responeMessage);
+            Object.assign(exceptionToReport, responseError);
+            throw exceptionToReport;
         }
 
         throw new Error(error || `Invalid response for "${command}"`);