Remove unused variables.

.jshintrc

@@ -1,13 +1,14 @@
 {
+  "boss": true,
   "curly": true,
   "eqeqeq": true,
+  "eqnull": true,
   "immed": true,
   "latedef": true,
   "newcap": true,
   "noarg": true,
+  "node": true,
   "sub": true,
   "undef": true,
-  "boss": true,
-  "eqnull": true,
-  "node": true
+  "unused": true
 }

Gruntfile.js

@@ -27,7 +27,7 @@ module.exports = function(grunt) {
     nodeunit: {
       tests: ['test/*_test.js'],
     },
-    
+
     // clean tmp dir
     clean: {
       tests: ['tmp']
@@ -54,8 +54,7 @@ module.exports = function(grunt) {
   // Tests nodeunit with tap reporter
   grunt.registerTask('test-tap', function(which) {
     var test = path.join('test', 'fixtures', which + '.js');
-    var tap = path.join('tmp', which + '.js.tap');
-
+
     if (grunt.file.exists(test)) {
       grunt.config('nodeunit.tests', test);
     }
@@ -65,12 +64,12 @@ module.exports = function(grunt) {
     grunt.task.run('clean');
     grunt.task.run('nodeunit');
   });
-  
+
   // Tests nodeunit with tap reporter and output saved to a file
   grunt.registerTask('test-tap-out', function(which) {
     var test = path.join('test', 'fixtures', which + '.js');
     var tap = path.join('tmp', which + '.js.tap');
-    
+
     if (grunt.file.exists(test)) {
       grunt.config('nodeunit.tests', test);
     }
@@ -86,7 +85,7 @@ module.exports = function(grunt) {
   grunt.registerTask('test-junit', function(which) {
     var test = path.join('test', 'fixtures', which + '.js');
     var outDir = path.join('tmp', which + '.junit');
-    
+
     if (grunt.file.exists(test)) {
       grunt.config('nodeunit.tests', test);
     }
@@ -102,7 +101,7 @@ module.exports = function(grunt) {
   grunt.registerTask('test-minimal', function(which) {
     var test = path.join('test', 'fixtures', which + '.js');
     var out = path.join('tmp', which + '.js.out');
-    
+
     if (grunt.file.exists(test)) {
       grunt.config('nodeunit.tests', test);
     }

package.json

@@ -27,9 +27,9 @@
     "grunt": "^0.4.5",
     "grunt-cli": "^0.1.13",
     "grunt-contrib-clean": "^0.6.0",
-    "grunt-contrib-internal": "^0.4.6",
+    "grunt-contrib-internal": "^0.4.12",
     "grunt-contrib-jshint": "^0.11.0",
-    "tap": "^0.5.0"
+    "tap": "^0.7.0"
   },
   "peerDependencies": {
     "grunt": ">=0.4.0"

tasks/nodeunit.js

@@ -117,7 +117,7 @@ module.exports = function(grunt) {
   // Keep track of failed assertions for pretty-printing.
   var failedAssertions = [];
   function logFailedAssertions() {
-    var assertion, stack;
+    var assertion;
     // Print each assertion error + stack.
     while (assertion = failedAssertions.shift()) {
       betterErrors(assertion);

test/nodeunit_test.js

@@ -26,7 +26,7 @@ exports.nodeunit = {
     grunt.util.spawn({
       grunt: true,
       args: ['test-tap:fail', '--no-color'],
-    }, function(err, result, code) {
+    }, function(err, result) {
       // stdout message
       test.ok(result.stdout.indexOf('# fail - fail') !== -1, 'First test should fail');
       test.ok(result.stdout.indexOf('not ok 1 this value should be truthy') !== -1, 'First test failure notice');
@@ -43,8 +43,8 @@ exports.nodeunit = {
     grunt.util.spawn({
       grunt: true,
       args: ['test-tap-out:fail', '--no-color'],
-    }, function(err, result, code) {
-      // stdout message  
+    }, function(err, result) {
+      // stdout message
       test.ok(result.stdout.indexOf('fail.js.tap" created') !== -1, 'File creation notice should be displayed.');
 
       // verify parts of the fail.js.tap contents against ours
@@ -66,7 +66,7 @@ exports.nodeunit = {
     grunt.util.spawn({
       grunt: true,
       args: ['test-junit:fail', '--no-color'],
-    }, function(err, result,code) {
+    }, function(err, result) {
       // verify the junit directory exists
       var junitDir = path.join('tmp', 'fail.junit');
       var junitFile = path.join(junitDir, 'fail.js.xml');
@@ -85,7 +85,7 @@ exports.nodeunit = {
     grunt.util.spawn({
       grunt: true,
       args: ['test-minimal:fail', '--no-color'],
-    }, function(err, result, code) {
+    }, function(err, result) {
       // stdout message
       test.ok(result.stdout.indexOf('fail.js.out" created') !== -1, 'File creation notice should be displayed.');