Fix JSHint warnings

Fix JSHint warnings

lib/helpers.js

@@ -49,6 +49,6 @@ function is_valid_packet(fields) {
             return true;
     }
 
-};
+}
 
 exports.is_valid_packet = is_valid_packet;

proxy.js

@@ -1,3 +1,5 @@
+/*jshint node:true, laxcomma:true */
+
 var dgram    = require('dgram')
   , net      = require('net')
   , events   = require('events')
@@ -26,7 +28,7 @@ configlib.configFile(process.argv[2], function (conf, oldConfig) {
   var logPrefix = "[" + process.pid + "] ";
   var log = function(msg, type) {
     l.log(logPrefix + msg, type);
-  }
+  };
 
 
   if (forkCount > 1 && cluster.isMaster) {
@@ -68,15 +70,18 @@ configlib.configFile(process.argv[2], function (conf, oldConfig) {
   var server = servermod.start(config, function (msg, rinfo) {
     // Convert the raw packet to a string (defaults to UTF8 encoding)
     var packet_data = msg.toString();
+    var current_metric
+      , bits
+      , key;
     // If the packet contains a \n then it contains multiple metrics
     if (packet_data.indexOf("\n") > -1) {
       var metrics;
       metrics = packet_data.split("\n");
       // Loop through the metrics and split on : to get mertric name for hashing
       for (var midx in metrics) {
-        var current_metric = metrics[midx];
-        var bits = current_metric.split(':');
-        var key = bits.shift();
+        current_metric = metrics[midx];
+        bits = current_metric.split(':');
+        key = bits.shift();
         if (current_metric !== '') {
           var new_msg = new Buffer(current_metric);
           packet.emit('send', key, new_msg);
@@ -85,9 +90,9 @@ configlib.configFile(process.argv[2], function (conf, oldConfig) {
 
     } else {
       // metrics needs to be an array to fake it for single metric packets
-      var current_metric = packet_data;
-      var bits = current_metric.split(':');
-      var key = bits.shift();
+      current_metric = packet_data;
+      bits = current_metric.split(':');
+      key = bits.shift();
       if (current_metric !== '') {
         packet.emit('send', key, msg);
       }

stats.js

@@ -206,11 +206,12 @@ config.configFile(process.argv[2], function (config) {
     var handlePacket = function (msg, rinfo) {
       backendEvents.emit('packet', msg, rinfo);
       counters[packets_received]++;
+      var metrics;
       var packet_data = msg.toString();
       if (packet_data.indexOf("\n") > -1) {
-        var metrics = packet_data.split("\n");
+        metrics = packet_data.split("\n");
       } else {
-        var metrics = [ packet_data ] ;
+        metrics = [ packet_data ] ;
       }
 
       for (var midx in metrics) {
@@ -278,16 +279,16 @@ config.configFile(process.argv[2], function (config) {
       }
 
       stats.messages.last_msg_seen = Math.round(new Date().getTime() / 1000);
-    }
+    };
 
     // If config.servers isn't specified, use the top-level config for backwards-compatibility
-    var server_config = config.servers || [config]
+    var server_config = config.servers || [config];
     for (var i = 0; i < server_config.length; i++) {
       // The default server is UDP
-      var server = server_config[i].server || './servers/udp'
-      startServer(server_config[i], server, handlePacket)
+      var server = server_config[i].server || './servers/udp';
+      startServer(server_config[i], server, handlePacket);
     }
-    serversLoaded = true
+    serversLoaded = true;
 
     mgmtServer = net.createServer(function(stream) {
       stream.setEncoding('ascii');
@@ -431,8 +432,8 @@ config.configFile(process.argv[2], function (config) {
     config.flushInterval = flushInterval;
 
     if (config.backends) {
-      for (var i = 0; i < config.backends.length; i++) {
-        loadBackend(config, config.backends[i]);
+      for (var j = 0; j < config.backends.length; j++) {
+        loadBackend(config, config.backends[j]);
       }
     } else {
       // The default backend is graphite