Fix all lib/ files with ESLint rules with 0 errors.

lib/util/keyutil.js

@@ -7,15 +7,12 @@ var keyutil = module.exports = Object.create(null)
 
 keyutil.parseKeyCharacterMap = function(stream) {
   var resolver = Promise.defer()
-    , state = 'type_t'
-    , keymap = {
+  var state = 'type_t'
+  var keymap = {
         type: null
       , keys: []
       }
-    , lastKey
-    , lastRule
-    , lastModifier
-    , lastBehavior
+  var lastKey, lastRule, lastModifier, lastBehavior
 
   function fail(char, state) {
     throw new Error(util.format(
@@ -431,8 +428,8 @@ keyutil.parseKeyCharacterMap = function(stream) {
 
   function readableListener() {
     var chunk = stream.read()
-      , i = 0
-      , l = chunk.length
+    var i = 0
+    var l = chunk.length
 
     try {
       while (i < l) {
@@ -461,7 +458,7 @@ keyutil.parseKeyCharacterMap = function(stream) {
 
 keyutil.namedKey = function(name) {
   var key = adb.Keycode['KEYCODE_' + name.toUpperCase()]
-  if (key === void 0) {
+  if (typeof key === 'undefined') {
     throw new Error(util.format('Unknown key "%s"', name))
   }
   return key