[JENKINS-35020] Fixed some JSHint errors (#2368)

* [JENKINS-35020] Fixed some JSHint errors

* [JENKINS-35020] @kzantow's comment was addressed

* [JENKINS-35020] @kzantow's comment was addressed

war/src/main/js/pluginSetupWizardGui.js

@@ -427,7 +427,7 @@ var createPluginSetupWizard = function(appendTarget) {
 	};
 	
 	// Define actions
-	var showInstallProgress = function(state) {
+	var showInstallProgress = function() {
 		// check for installing plugins that failed
 		if(failedPluginNames.length > 0) {
 			setPanel(pluginSuccessPanel, { installingPlugins : installingPlugins, failedPlugins: true });
@@ -525,7 +525,7 @@ var createPluginSetupWizard = function(appendTarget) {
 				}
 
 				// keep polling while install is running
-				if(complete < total || data.state == 'INITIAL_PLUGINS_INSTALLING') {
+				if(complete < total || data.state === 'INITIAL_PLUGINS_INSTALLING') {
 					setPanel(progressPanel, { installingPlugins : installingPlugins });
 					// wait a sec
 					setTimeout(updateStatus, 250);
@@ -795,7 +795,7 @@ var createPluginSetupWizard = function(appendTarget) {
 		}
 		
 		try {
-			if(JSON.parse(data).status == 'ok') {
+			if(JSON.parse(data).status === 'ok') {
 				showStatePanel();
 				return;
 			}
@@ -950,7 +950,8 @@ var createPluginSetupWizard = function(appendTarget) {
 	
 	// Process extensions
 	var extensionTranslationOverrides = [];
-	if ('undefined' != typeof(setupWizardExtensions)) {
+	/* globals setupWizardExtensions: true */
+	if ('undefined' !== typeof(setupWizardExtensions)) {
 		$.each(setupWizardExtensions, function() {
 			this.call(self, {
 				'$': $,

war/src/main/js/upgradeWizard.js

+/* globals onSetupWizardInitialized: true */
 onSetupWizardInitialized(function(wizard) {
-	var $ = wizard.$; // jQuery
 	var jenkins = wizard.jenkins; // wizard-provided jenkins api
 	var pluginManager = wizard.pluginManager;
-	
+
 	var upgradePanel = require('./templates/upgradePanel.hbs');
 	var upgradeSuccessPanel = require('./templates/upgradeSuccessPanel.hbs');
 	var upgradeSkippedPanel = require('./templates/upgradeSkippedPanel.hbs');
-	
+
 	wizard.addActions({
 		'.skip-recommended-plugins': function() {
 			wizard.setPanel(upgradeSkippedPanel);
@@ -15,7 +15,7 @@ onSetupWizardInitialized(function(wizard) {
 			jenkins.goTo('/setupWizard/installState/UPGRADE/hideUpgradeWizard');
 		}
 	});
-	
+
 	wizard.addStateHandlers({
 		UPGRADE: function() {
 			wizard.loadPluginCategories(function(){

war/src/main/js/util/jenkins.js

@@ -193,12 +193,13 @@ exports.loadTranslations = function(bundleName, handler, onError) {
 			}
 			throw 'Unable to load localization data: ' + res.message;
 		}
-		
+
 		var translations = res.data;
-		
-		if('undefined' !== typeof(Proxy)) {
+
+		/* globals Proxy: true */
+		if('undefined' !== typeof Proxy) {
 			translations = new Proxy(translations, {
-				get: function(target, property, receiver) {
+				get: function(target, property) {
 					if(property in target) {
 						return target[property];
 					}