[PR] use unique keys (#31)

Use unique keys for page elements
janbaykara · Jun 2, 2022 · ca5bc47 · ca5bc47
2 parents a19b52c + 998c73d
commit ca5bc47
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/js/popup/Popup.tsx b/src/js/popup/Popup.tsx
@@ -133,6 +133,7 @@ const Popup: React.SFC = () => {
         book.pages.map((url, i, arr) => (
           <Page
             url={url}
+            key={url}
             moveUp={i > 0 ? () => updatePageOrder(i, i - 1) : undefined}
             moveDown={
               i + 1 < arr.length ? () => updatePageOrder(i, i + 1) : undefined