From a8f6077fffbf77cde77cf7caad27dd402e250160 Mon Sep 17 00:00:00 2001
From: sebv <seb.vincent@gmail.com>
Date: Tue, 4 Nov 2014 02:14:38 +0800
Subject: [PATCH] log stripColors fix

---
 lib/server/logger.js | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/lib/server/logger.js b/lib/server/logger.js
index 3b340c052..fa861f58f 100644
--- a/lib/server/logger.js
+++ b/lib/server/logger.js
@@ -30,8 +30,21 @@ var timestamp = function () {
   return date.toFormat("YYYY-MM-DD HH24:MI:SS:LL");
 };
 
+// Strip the color marking within messages.
+// We need to patch the transports, because the stripColor functionality in
+// Winston is wrongly implemented at the logger level, and we want to avoid
+// having to create 2 loggers.
+function applyStripColorPatch(transport) {
+  var _log = transport.log.bind(transport);
+  transport.log = function (level, msg, meta, callback) {
+    var code = /\u001b\[(\d+(;\d+)*)?m/g;
+    msg = ('' + msg).replace(code, '');
+    _log(level, msg, meta, callback);
+  };
+}
+
 var _createConsoleTransport = function (args, logLvl) {
-  return new (winston.transports.Console)({
+  var transport = new (winston.transports.Console)({
     name: "console"
     , timestamp: args.logTimestamp ? timestamp : undefined
     , colorize: !args.logNoColors
@@ -40,10 +53,12 @@ var _createConsoleTransport = function (args, logLvl) {
     , json: false
     , level: logLvl
   });
+  if (args.logNoColors) applyStripColorPatch(transport);
+  return transport;
 };
 
 var _createFileTransport = function (args, logLvl) {
-  return new (winston.transports.File)({
+  var transport = new (winston.transports.File)({
       name: "file"
       , timestamp: timestamp
       , filename: args.log
@@ -54,6 +69,8 @@ var _createFileTransport = function (args, logLvl) {
       , level: logLvl
     }
   );
+  applyStripColorPatch(transport);
+  return transport;
 };
 
 var _createWebhookTransport = function (args, logLvl) {
@@ -66,7 +83,7 @@ var _createWebhookTransport = function (args, logLvl) {
     port = parseInt(hostAndPort[1], 10);
   }
 
-  return new (winston.transports.Webhook)({
+  var transport = new (winston.transports.Webhook)({
     name: "webhook"
     , host: host || '127.0.0.1'
     , port: port || 9003
@@ -76,6 +93,8 @@ var _createWebhookTransport = function (args, logLvl) {
     , json: false
     , level: logLvl
   });
+  applyStripColorPatch(transport);
+  return transport;
 };
 
 var _createTransports = function (args) {