Added JSHint and JSXHint for linting the code.

assets/js/helpers/changeExtensionIcon.js

@@ -1,3 +1,5 @@
+/* global chrome */
+
 var config = require('../config');
 
 /**
@@ -6,7 +8,9 @@ var config = require('../config');
  *
  * @param color
  */
-function changeExtensionIcon(color = '') {
+function changeExtensionIcon(color) {
+
+    color = color ? color : '';
 
     var path = null;
 
@@ -43,4 +47,4 @@ function changeExtensionIcon(color = '') {
 
 }
 
-export default changeExtensionIcon;
+module.exports = changeExtensionIcon;

assets/js/helpers/changeExtensionState.js

@@ -10,7 +10,7 @@ var in_array = require('./in_array');
  *
  * @param state
  */
-function changeExtensionState(state){
+function changeExtensionState(state) {
     if (! in_array(state, config.states)) {
         throw new Error('Not a valid state!');
     }
@@ -31,4 +31,4 @@ function changeExtensionState(state){
     }
 }
 
-export default changeExtensionState;
+module.exports = changeExtensionState;

assets/js/helpers/changeExtensionTooltip.js

@@ -1,3 +1,5 @@
+/* global chrome */
+
 var config = require('../config');
 
 /**
@@ -17,4 +19,4 @@ function changeExtensionTooltip(text) {
     chrome.browserAction.setTitle({title: text});
 }
 
-export default changeExtensionTooltip;
+module.exports = changeExtensionTooltip;

assets/js/helpers/currentTimestamp.js

@@ -3,8 +3,8 @@
  *
  * @returns {number}
  */
-function currentTimestamp(){
+function currentTimestamp() {
     return Math.round((new Date()).getTime() / 1000);
 }
 
-export default currentTimestamp;
+module.exports = currentTimestamp;

assets/js/helpers/getDomainFromUrl.js

@@ -10,4 +10,4 @@ function getDomainFromUrl(url) {
     return parts[0] + "//" + parts[2];
 }
 
-export default getDomainFromUrl;
+module.exports = getDomainFromUrl;

assets/js/helpers/in_array.js

@@ -9,11 +9,10 @@ function in_array(needle, haystack) {
     for (var i = 0; i < haystack.length; i ++) {
         if (needle == haystack[i]) {
             return true;
-            break;
         }
     }
 
     return false;
 }
 
-export default in_array;
+module.exports = in_array;