some eslint-related fixes

1 files changed, 16 insertions, 15 deletions

diff --git a/js/index.js b/js/index.js
index b16a742..c0f2e84 100644
--- a/js/index.js
+++ b/js/index.js
@@ -1,11 +1,13 @@
 'use strict';
 
-var _dl_progress_timeout;
+/* global localforage */
+
+let _dl_progress_timeout;
 
 function cache_refresh(force) {
 	if ('serviceWorker' in navigator) {
 		localforage.getItem("epube.cache-timestamp").then(function(stamp) {
-			var ts = parseInt(new Date().getTime()/1000);
+			const ts = parseInt(new Date().getTime()/1000);
 
 			if (force || !stamp || ts - stamp > 3600 * 24 * 7) {
 				console.log('asking worker to refresh cache');
@@ -20,13 +22,13 @@ function cache_refresh(force) {
 }
 
 function toggle_fav(elem) {
-	var bookId = elem.getAttribute("data-book-id");
+	const bookId = elem.getAttribute("data-book-id");
 
 	if (elem.getAttribute("data-is-fav") == "0" || confirm("Remove favorite?")) {
 
 		$.post("backend.php", {op: "togglefav", id: bookId}, function(data) {
 			if (data) {
-				var msg = "[Error]";
+				let msg = "[Error]";
 
 				if (data.status == 0) {
 					msg = "Add to favorites";
@@ -48,8 +50,8 @@ function toggle_fav(elem) {
 
 function mark_offline(elem) {
 
-	var bookId = elem.getAttribute("data-book-id");
-	var cacheId = "epube-book." + bookId;
+	const bookId = elem.getAttribute("data-book-id");
+	const cacheId = "epube-book." + bookId;
 
 	localforage.getItem(cacheId).then(function(book) {
 		if (book) {
@@ -77,7 +79,7 @@ function mark_offline(elem) {
 }
 
 function mark_offline_books() {
-	var elems = $(".offline_dropitem");
+	const elems = $(".offline_dropitem");
 
 	$.each(elems, function (i, elem) {
 		mark_offline(elem);
@@ -90,13 +92,13 @@ function offline_cache(bookId, callback) {
 	$.post("backend.php", {op: "getinfo", id: bookId}, function(data) {
 
 		if (data) {
-			var cacheId = 'epube-book.' + bookId;
+			const cacheId = 'epube-book.' + bookId;
 
 			localforage.setItem(cacheId, data).then(function(data) {
 
 				console.log(cacheId + ' got data');
 
-				var promises = [];
+				const promises = [];
 
 				promises.push(fetch('backend.php?op=download&id=' + data.epub_id, {credentials: 'same-origin'}).then(function(resp) {
 					if (resp.status == 200) {
@@ -158,11 +160,11 @@ function offline_cache(bookId, callback) {
 }
 
 function show_summary(elem) {
-	var id = elem.getAttribute("data-book-id");
+	const id = elem.getAttribute("data-book-id");
 
 	$.post("backend.php", {op: 'getinfo', id: id}, function(data) {
 
-		var comment = data.comment ? data.comment : 'No description available';
+		const comment = data.comment ? data.comment : 'No description available';
 
 		$("#summary-modal .modal-title").html(data.title);
 		$("#summary-modal .book-summary").html(comment);
@@ -179,12 +181,12 @@ function offline_get_all() {
 	if (confirm("Download all books on this page?")) {
 
 		$(".index_cell").each(function (i, row) {
-			var bookId = $(row).attr("id").replace("cell-", "");
-			var dropitem = $(row).find(".offline_dropitem")[0];
+			const bookId = $(row).attr("id").replace("cell-", "");
+			const dropitem = $(row).find(".offline_dropitem")[0];
 
 			if (bookId) {
 
-				var cacheId = 'epube-book.' + bookId;
+				const cacheId = 'epube-book.' + bookId;
 				localforage.getItem(cacheId).then(function(book) {
 
 					if (!book) {
@@ -200,4 +202,3 @@ function offline_get_all() {
 	}
 
 }
-