code check with eslint

.eslintrc.js

@@ -0,0 +1,10 @@
+module.exports = {
+    "env": {
+      "node": true,
+      "commonjs": true
+    },
+    "extends": "eslint:recommended",
+    "rules": {
+      "no-console": 0
+    }
+};

lib/asn1ber.js

@@ -262,7 +262,7 @@ exports.encodeSequence = function (contents) {
 // Encode an OctetString, which is a wrapper of type `04`.
 
 exports.encodeOctetString = function (string) {
-    var buf, contents;
+    var contents;
 
     if (typeof string === 'string') {
         contents = new Buffer(string);
@@ -340,7 +340,7 @@ exports.encodeRequest = function (type, contents) {
 
 // Parse and return type, data length and header length.
 function typeAndLength(buf) {
-    var res, len, i;
+    var res, i;
 
     res = { type: buf[0], len: 0, header: 1 };
     if (buf[1] < 128) {
@@ -453,13 +453,12 @@ exports.parseOid = function (buf) {
 // This is for example an IpAddress.
 
 exports.parseArray = function (buf) {
-    var i, nelem, array;
+    var i, array;
 
     if (buf[0] !== T.IpAddress) {
         throw new Error('Buffer does not appear to be an array type.');
     }
 
-    nelem = buf[1];
     array = [];
 
     for (i = 0; i < buf[1]; i++) {

lib/snmp.js

@@ -85,8 +85,6 @@ function concatBuffers(buffers) {
 // Clear a pending packet when it times out or is successfully received.
 
 function clearRequest(reqs, reqid) {
-    var self = this;
-
     var entry = reqs[reqid];
     if (entry) {
         if (entry.timeout) {
@@ -132,7 +130,7 @@ function parseOids(options) {
 // Update targ with attributes from _defs.
 // Any existing attributes on targ are untouched.
 
-function defaults(targ, _defs) {
+function defaults(targ) {
     [].slice.call(arguments, 1).forEach(function (def) {
         Object.keys(def).forEach(function (key) {
             if (!targ.hasOwnProperty(key)) {
@@ -213,7 +211,7 @@ exports.encode = encode;
 // make us blow up.
 
 function parse(buf) {
-    var pkt, oid, bvb, vb, hdr, vbhdr;
+    var pkt, bvb, vb, hdr;
 
     pkt = new Packet();
 
@@ -571,7 +569,7 @@ Session.prototype.sendMsg = function (pkt, options, callback) {
         }
 
         // Send the message.
-        self.socket.send(buf, 0, buf.length, options.port, options.host, function (err, bytes) {
+        self.socket.send(buf, 0, buf.length, options.port, options.host, function (err) {
             var entry = self.reqs[reqid];
 
             if (err) {
@@ -659,7 +657,7 @@ Session.prototype.getAll = function (options, callback) {
     }
 
     function getOne(c) {
-        var oid, pkt, m, vb;
+        var pkt, m, vb;
 
         pkt = new Packet();
         pkt.community = options.community;

package.json

@@ -15,15 +15,15 @@
   "main": "lib/snmp.js",
   "scripts": {
     "test": "NODE_PATH=lib mocha -R spec",
-    "hint": "jshint *.js lib/*.js",
+    "lint": "eslint lib",
     "doc": "docco lib/* example.js 2>/dev/null",
     "cov": "jscoverage lib lib-cov && EXPRESS_COV=1 NODE_PATH=lib-cov mocha -R html-cov > docs/coverage.html"
   },
   "dependencies": {},
   "devDependencies": {
     "docco": "~0.6.2",
+    "eslint": "^3.13.1",
     "jscoverage": "~0.3.6",
-    "jshint": "~1.1.0",
     "mocha": "~1.9.0",
     "should": "~1.2.2",
     "snmpjs": "~0.1.3"