resolves yargalot#25

.eslintrc

@@ -1,4 +1,10 @@
 {
+  "env": {
+    "node": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 6
+  },
   "extends": "eslint:recommended",
   "rules": {
     "semi": [2, "always"],

gulpfile.js

@@ -1,11 +1,12 @@
+/* eslint-disable no-console */
+
 var del = require('del');
 var gulp   = require('gulp');
 var rename = require('gulp-rename');
 var jshint = require('gulp-jshint');
 var stylish = require('jshint-stylish');
 var nodeunit = require('gulp-nodeunit');
 var runSequence = require('run-sequence');
-var accessSniff = require('access-sniff');
 var access = require('./index.js');
 
 gulp.task('clean', function(cb) {
@@ -14,7 +15,6 @@ gulp.task('clean', function(cb) {
   ], cb);
 });
 
-
 gulp.task('lint', function() {
   return gulp.src(['./libs/*.js', 'gulpfile.js'])
     .pipe(jshint())

index.js

@@ -3,13 +3,10 @@
 // ------------------------
 
 // through2 is a thin wrapper around node transform streams
-const _ = require('lodash');
-const gutil = require('gulp-util');
 const through = require('through2');
 const accessSniff = require('access-sniff');
-const StringDecoder = require('string_decoder').StringDecoder
-
-const PluginError = gutil.PluginError;
+const StringDecoder = require('string_decoder').StringDecoder;
+const PluginError = require('plugin-error');
 
 // Consts
 const PLUGIN_NAME = 'gulp-accessibility';
@@ -21,7 +18,7 @@ var accessSniffPlugin = function(options) {
   return through.obj(function(file, enc, callback) {
 
     if (file.isNull()) {
-      cb(null, file);
+      callback(null, file);
     }
 
     if (file.isStream()) {
@@ -47,7 +44,7 @@ var accessSniffPlugin = function(options) {
 
   });
 
-}
+};
 
 accessSniffPlugin.report = function(options) {
   const gulpOptions = options ? options : {};
@@ -56,7 +53,7 @@ accessSniffPlugin.report = function(options) {
   return through.obj(function(file, enc, callback) {
 
     if (file.isNull()) {
-      cb(null, file);
+      callback(null, file);
     }
 
     if (file.isStream()) {