Fixed: restoring scroll position when going back to index page

frontend/src/Components/Link/Link.js

@@ -38,7 +38,7 @@ class Link extends Component {
     const linkProps = { target };
     let el = component;
 
-    if (to) {
+    if (to && typeof to === 'string') {
       if ((/\w+?:\/\//).test(to)) {
         el = 'a';
         linkProps.href = to;
@@ -56,6 +56,18 @@ class Link extends Component {
         linkProps.to = `${window.Lidarr.urlBase}/${to.replace(/^\//, '')}`;
         linkProps.target = target;
       }
+    } else if (to && typeof to === 'object') {
+      el = RouterLink;
+      linkProps.target = target;
+      if (to.pathname.startsWith(`${window.Lidarr.urlBase}/`)) {
+        linkProps.to = to;
+      } else {
+        const pathname = `${window.Lidarr.urlBase}/${to.pathname.replace(/^\//, '')}`;
+        linkProps.to = {
+          ...to,
+          pathname
+        };
+      }
     }
 
     if (el === 'button' || el === 'input') {
@@ -86,7 +98,7 @@ class Link extends Component {
 Link.propTypes = {
   className: PropTypes.string,
   component: PropTypes.oneOfType([PropTypes.string, PropTypes.func]),
-  to: PropTypes.string,
+  to: PropTypes.oneOfType([PropTypes.string, PropTypes.object]),
   target: PropTypes.string,
   isDisabled: PropTypes.bool,
   noRouter: PropTypes.bool,

frontend/src/Components/Page/Header/PageHeader.js

@@ -53,7 +53,10 @@ class PageHeader extends Component {
         <div className={styles.logoContainer}>
           <Link
             className={styles.logoLink}
-            to={`${window.Lidarr.urlBase}/`}
+            to={{
+              pathname: '/',
+              state: { restoreScrollPosition: true }
+            }}
           >
             <img
               className={styles.logo}

frontend/src/Components/Table/VirtualTable.js

@@ -47,6 +47,7 @@ class VirtualTable extends Component {
     const {
       items,
       scrollIndex,
+      scrollTop,
       onRecompute
     } = this.props;
 
@@ -68,6 +69,10 @@ class VirtualTable extends Component {
         columnIndex: 0
       });
     }
+
+    if (this._grid && scrollTop !== undefined && scrollTop !== 0) {
+      this._grid.scrollToPosition({ scrollTop });
+    }
   }
 
   //
@@ -95,6 +100,7 @@ class VirtualTable extends Component {
       className,
       items,
       scroller,
+      scrollTop: ignored,
       header,
       headerHeight,
       rowHeight,
@@ -179,6 +185,7 @@ VirtualTable.propTypes = {
   className: PropTypes.string.isRequired,
   items: PropTypes.arrayOf(PropTypes.object).isRequired,
   scrollIndex: PropTypes.number,
+  scrollTop: PropTypes.number,
   scroller: PropTypes.instanceOf(Element).isRequired,
   header: PropTypes.node.isRequired,
   headerHeight: PropTypes.number.isRequired,

frontend/src/Components/withScrollPosition.js

@@ -8,7 +8,7 @@ function withScrollPosition(WrappedComponent, scrollPositionKey) {
       history
     } = props;
 
-    const scrollTop = history.action === 'POP' ?
+    const scrollTop = history.action === 'POP' || (history.location.state && history.location.state.restoreScrollPosition) ?
       scrollPositions[scrollPositionKey] :
       0;