Fix Scruntinizer issues

src/drivers/phantomjs/driver.js

@@ -175,7 +175,7 @@
 				};
 
 				page.open(url, function(status) {
-					var html, environmentVars;
+					var html, environmentVars = '';
 
 					if ( status === 'success' ) {
 						html = page.content;
@@ -186,7 +186,7 @@
 
 						// Collect environment variables
 						environmentVars = page.evaluate(function() {
-							var i, environmentVars;
+							var i, environmentVars = '';
 
 							for ( i in window ) {
 								environmentVars += i + ' ';

src/drivers/webextension/js/driver.js

@@ -2,6 +2,11 @@
  * WebExtension driver
  */
 
+/** global: browser */
+/** global: chrome */
+/** global: wappalyzer */
+/** global: XMLHttpRequest */
+
 (function() {
 	if ( wappalyzer == null ) {
 		return;

src/drivers/webextension/js/i18n.js

@@ -1,6 +1,8 @@
+/** global: browser */
+
 document.addEventListener('DOMContentLoaded', function() {
 	var
-		i, value,
+		i, value, attr,
 		nodes = document.getElementsByTagName('*');
 
 	for ( i = 0; i < nodes.length; i ++ ) {

src/drivers/webextension/js/inject.js

@@ -10,5 +10,7 @@
 
 		document.getElementById('wappalyzerData').appendChild(document.createComment(environmentVars));
 		document.getElementById('wappalyzerData').dispatchEvent(e);
-	} catch(e) { }
+	} catch(e) {
+		// Fail quietly
+ 	}
 }());

src/drivers/webextension/js/options.js

@@ -1,4 +1,5 @@
-/** global: localStorage */
+/** global: browser */
+/** global: wappalyzer */
 
 document.addEventListener('DOMContentLoaded', function() {
 	var d = document;
@@ -7,9 +8,17 @@ document.addEventListener('DOMContentLoaded', function() {
 		init: function() {
 			options.load();
 
-			d.querySelector('#github'    ).addEventListener('click', function() { open(wappalyzer.config.githubURL);  });
-			d.querySelector('#twitter'   ).addEventListener('click', function() { open(wappalyzer.config.twitterURL); });
-			d.querySelector('#wappalyzer').addEventListener('click', function() { open(wappalyzer.config.websiteURL); });
+			d.querySelector('#github').addEventListener('click', function() {
+				open(wappalyzer.config.githubURL);
+			});
+
+			d.querySelector('#twitter').addEventListener('click', function() {
+			 	open(wappalyzer.config.twitterURL);
+			});
+
+			d.querySelector('#wappalyzer').addEventListener('click', function() {
+				open(wappalyzer.config.websiteURL);
+			});
 		},
 
 		get: function(name, defaultValue, callback) {

src/wappalyzer.js

@@ -385,6 +385,7 @@ var wappalyzer = (function() {
 							});
 
 							break;
+						default:
 					}
 				}
 			}