JS style updates

public/js/src/anime.js

@@ -18,8 +18,8 @@ const search = (query) => {
 };
 
 if (_.hasElement('.anime #search')) {
-	_.on('#search', 'keyup', _.throttle(250, function () {
-		const query = encodeURIComponent(this.value);
+	_.on('#search', 'keyup', _.throttle(250, (e) => {
+		const query = encodeURIComponent(e.target.value);
 		if (query === '') {
 			return;
 		}
@@ -82,7 +82,7 @@ _.on('body.anime.list', 'click', '.plus_one', (e) => {
 			_.$('.completed_number', parentSel)[ 0 ].textContent = ++watchedCount;
 			_.scrollToTop();
 		},
-		error: (xhr, errorType, error) => {
+		error: () => {
 			_.hide(_.$('#loading-shadow')[ 0 ]);
 			_.showMessage('error', `Failed to update ${title}. `);
 			_.scrollToTop();

public/js/src/base/AnimeClient.js

@@ -193,8 +193,8 @@ function delegateEvent(sel, target, event, listener) {
  * @param  {function} [listener] - event listener callback
  * @return {void}
  */
-AnimeClient.on = function (sel, event, target, listener) {
-	if (arguments.length === 3) {
+AnimeClient.on = (sel, event, target, listener) => {
+	if (listener === undefined) {
 		listener = target;
 		AnimeClient.$(sel).forEach((el) => {
 			addEvent(el, event, listener);
@@ -246,15 +246,21 @@ function ajaxSerialize(data) {
  * @param  {Object} config  - the configuration object
  * @return {void}
  */
-AnimeClient.ajax = function(url, config) {
+AnimeClient.ajax = (url, config) => {
 	// Set some sane defaults
-	config = config || {};
-	config.data = config.data || {};
-	config.type = config.type || 'GET';
-	config.dataType = config.dataType || '';
-	config.success = config.success || AnimeClient.noop;
-	config.mimeType = config.mimeType || 'application/x-www-form-urlencoded';
-	config.error = config.error || AnimeClient.noop;
+	const defaultConfig = {
+		data: {},
+		type: 'GET',
+		dataType: '',
+		success: AnimeClient.noop,
+		mimeType: 'application/x-www-form-urlencoded',
+		error: AnimeClient.noop
+	}
+
+	config = {
+		...defaultConfig,
+		...config,
+	}
 
 	let request = new XMLHttpRequest();
 	let method = String(config.type).toUpperCase();
@@ -312,7 +318,7 @@ AnimeClient.ajax = function(url, config) {
  * @param {object|function} data
  * @param {function} [callback]
  */
-AnimeClient.get = function(url, data, callback = null) {
+AnimeClient.get = (url, data, callback = null) => {
 	if (callback === null) {
 		callback = data;
 		data = {};

public/js/src/base/events.js

@@ -3,8 +3,8 @@ import _ from './AnimeClient.js';
  * Event handlers
  */
 // Close event for messages
-_.on('header', 'click', '.message', function () {
-	_.hide(this);
+_.on('header', 'click', '.message', (e) => {
+	_.hide(e.target);
 });
 
 // Confirm deleting of list or library items

public/js/src/manga.js

@@ -11,8 +11,8 @@ const search = (query) => {
 };
 
 if (_.hasElement('.manga #search')) {
-	_.on('#search', 'keyup', _.throttle(250, function (e) {
-		let query = encodeURIComponent(this.value);
+	_.on('#search', 'keyup', _.throttle(250, (e) => {
+		let query = encodeURIComponent(e.target.value);
 		if (query === '') {
 			return;
 		}