openLastRead: use book global

1 files changed, 9 insertions, 2 deletions

diff --git a/js/reader.js b/js/reader.js
index d1868ac..4540664 100644
--- a/js/reader.js
+++ b/js/reader.js
@@ -230,7 +230,7 @@ const Reader = {
 		Reader.initModals();
 		Reader.initToc(book);
 		Reader.initStyleHooks(book);
-		Reader.Page.openLastRead(rendition);
+		Reader.Page.openLastRead();
 	},
 	showBookInfo: async function(book) {
 		const bookinfo = await localforage.getItem(Reader.cacheId());
@@ -1312,7 +1312,14 @@ const Reader = {
 				await window.book.rendition.display(window.book.locations.cfiFromPercentage(0));
 			}
 		},
-		openLastRead: async function(rendition) {
+		openLastRead: async function() {
+			const rendition = window.book.rendition;
+
+			if (!rendition) {
+				console.error('no rendition to work on');
+				return;
+			}
+
 			let location_found = false;
 
 			const lr_local = await localforage.getItem(Reader.cacheId("lastread")) || {};