perf(neon_news): do not use the spread operator for building lists

Signed-off-by: Nikolas Rimikis <leptopoda@users.noreply.github.com>

packages/neon/neon_news/lib/dialogs/add_feed.dart

@@ -71,19 +71,20 @@ class _NewsAddFeedDialogState extends State<NewsAddFeedDialog> {
                       submit();
                     },
                   ),
-                  if (widget.folderID == null) ...[
+                  if (widget.folderID == null && folders.hasError)
                     Center(
                       child: NeonError(
                         folders.error,
                         onRetry: widget.bloc.refresh,
                       ),
                     ),
+                  if (widget.folderID == null)
                     Center(
                       child: NeonLinearProgressIndicator(
                         visible: folders.isLoading,
                       ),
                     ),
-                    if (folders.hasData) ...[
+                  if (widget.folderID == null && folders.hasData)
                     NewsFolderSelect(
                       folders: folders.requireData,
                       value: folder,
@@ -93,8 +94,6 @@ class _NewsAddFeedDialogState extends State<NewsAddFeedDialog> {
                         });
                       },
                     ),
-                    ],
-                  ],
                   ElevatedButton(
                     onPressed: folders.hasData ? submit : null,
                     child: Text(NewsLocalizations.of(context).feedAdd),

packages/neon/neon_news/lib/pages/article.dart

@@ -146,7 +146,7 @@ class _NewsArticlePageState extends State<NewsArticlePage> {
                   );
                 },
               ),
-              if (widget.url != null) ...[
+              if (widget.url != null)
                 IconButton(
                   onPressed: () async {
                     await launchUrlString(
@@ -157,6 +157,7 @@ class _NewsArticlePageState extends State<NewsArticlePage> {
                   tooltip: NewsLocalizations.of(context).articleOpenLink,
                   icon: const Icon(Icons.open_in_new),
                 ),
+              if (widget.url != null)
                 IconButton(
                   onPressed: () async {
                     await Share.share(await _getURL());
@@ -165,7 +166,6 @@ class _NewsArticlePageState extends State<NewsArticlePage> {
                   icon: const Icon(Icons.share),
                 ),
             ],
-            ],
           ),
           body: SafeArea(
             child: widget.useWebView

packages/neon/neon_news/lib/widgets/articles_view.dart

@@ -63,30 +63,20 @@ class _NewsArticlesViewState extends State<NewsArticlesView> {
                       isExpanded: true,
                       value: selectedFilterTypeSnapshot.data,
                       items: [
+                        _buildDropdownItem(
                           FilterType.all,
+                          NewsLocalizations.of(context).articlesFilterAll,
+                        ),
+                        _buildDropdownItem(
                           FilterType.unread,
-                        if (widget.bloc.listType == null) ...[
+                          NewsLocalizations.of(context).articlesFilterUnread,
+                        ),
+                        if (widget.bloc.listType == null)
+                          _buildDropdownItem(
                             FilterType.starred,
+                            NewsLocalizations.of(context).articlesFilterStarred,
+                          ),
                       ],
-                      ].map<DropdownMenuItem<FilterType>>(
-                        (final a) {
-                          late final String label;
-                          switch (a) {
-                            case FilterType.all:
-                              label = NewsLocalizations.of(context).articlesFilterAll;
-                            case FilterType.unread:
-                              label = NewsLocalizations.of(context).articlesFilterUnread;
-                            case FilterType.starred:
-                              label = NewsLocalizations.of(context).articlesFilterStarred;
-                            default:
-                              throw Exception('FilterType $a should not be shown');
-                          }
-                          return DropdownMenuItem(
-                            value: a,
-                            child: Text(label),
-                          );
-                        },
-                      ).toList(),
                       onChanged: (final value) {
                         widget.bloc.setFilterType(value!);
                       },
@@ -99,6 +89,11 @@ class _NewsArticlesViewState extends State<NewsArticlesView> {
         ),
       );
 
+  DropdownMenuItem<FilterType> _buildDropdownItem(final FilterType value, final String label) => DropdownMenuItem(
+        value: value,
+        child: Text(label),
+      );
+
   Widget _buildArticle(
     final BuildContext context,
     final news.Article article,
@@ -116,14 +111,13 @@ class _NewsArticlesViewState extends State<NewsArticlesView> {
                     : Theme.of(context).textTheme.titleMedium!.copyWith(color: Theme.of(context).disabledColor),
               ),
             ),
-            if (article.mediaThumbnail != null) ...[
+            if (article.mediaThumbnail != null)
               NeonUrlImage(
                 url: article.mediaThumbnail!,
                 size: const Size(100, 50),
                 fit: BoxFit.cover,
               ),
           ],
-          ],
         ),
         subtitle: Row(
           children: [

packages/neon/neon_news/lib/widgets/feeds_view.dart

@@ -42,42 +42,8 @@ class NewsFeedsView extends StatelessWidget {
     final BuildContext context,
     final news.Feed feed,
     final List<news.Folder> folders,
-  ) =>
-      ListTile(
-        title: Text(
-          feed.title,
-          style: feed.unreadCount! == 0
-              ? Theme.of(context).textTheme.titleMedium!.copyWith(color: Theme.of(context).disabledColor)
-              : null,
-        ),
-        subtitle: feed.unreadCount! > 0
-            ? Text(NewsLocalizations.of(context).articlesUnread(feed.unreadCount!))
-            : const SizedBox(),
-        leading: NewsFeedIcon(feed: feed),
-        trailing: Row(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            if (feed.updateErrorCount > 0) ...[
-              IconButton(
-                onPressed: () async {
-                  await showDialog<void>(
-                    context: context,
-                    builder: (final context) => NewsFeedUpdateErrorDialog(
-                      feed: feed,
-                    ),
-                  );
-                },
-                tooltip: NewsLocalizations.of(context).feedShowErrorMessage,
-                iconSize: 30,
-                icon: Text(
-                  feed.updateErrorCount.toString(),
-                  style: TextStyle(
-                    color: Theme.of(context).colorScheme.error,
-                  ),
-                ),
-              ),
-            ],
-            PopupMenuButton<NewsFeedAction>(
+  ) {
+    Widget trailing = PopupMenuButton<NewsFeedAction>(
       itemBuilder: (final context) => [
         PopupMenuItem(
           value: NewsFeedAction.showURL,
@@ -145,9 +111,46 @@ class NewsFeedsView extends StatelessWidget {
             }
         }
       },
+    );
+    if (feed.updateErrorCount > 0) {
+      trailing = Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          IconButton(
+            onPressed: () async {
+              await showDialog<void>(
+                context: context,
+                builder: (final context) => NewsFeedUpdateErrorDialog(
+                  feed: feed,
+                ),
+              );
+            },
+            tooltip: NewsLocalizations.of(context).feedShowErrorMessage,
+            iconSize: 30,
+            icon: Text(
+              feed.updateErrorCount.toString(),
+              style: TextStyle(
+                color: Theme.of(context).colorScheme.error,
+              ),
             ),
+          ),
+          trailing,
         ],
+      );
+    }
+
+    return ListTile(
+      title: Text(
+        feed.title,
+        style: feed.unreadCount! == 0
+            ? Theme.of(context).textTheme.titleMedium!.copyWith(color: Theme.of(context).disabledColor)
+            : null,
       ),
+      subtitle: feed.unreadCount! > 0
+          ? Text(NewsLocalizations.of(context).articlesUnread(feed.unreadCount!))
+          : const SizedBox(),
+      leading: NewsFeedIcon(feed: feed),
+      trailing: trailing,
       onLongPress: () {
         if (feed.unreadCount! > 0) {
           bloc.markFeedAsRead(feed.id);
@@ -165,6 +168,7 @@ class NewsFeedsView extends StatelessWidget {
       },
     );
   }
+}
 
 enum NewsFeedAction {
   showURL,

packages/neon/neon_notes/lib/dialogs/create_note.dart

@@ -53,19 +53,18 @@ class _NotesCreateNoteDialogState extends State<NotesCreateNoteDialog> {
                       submit();
                     },
                   ),
-                  if (widget.category == null) ...[
+                  if (widget.category == null && notes.hasError)
                     Center(
                       child: NeonError(
                         notes.error,
                         onRetry: widget.bloc.refresh,
                       ),
                     ),
-                    Center(
-                      child: NeonLinearProgressIndicator(
-                        visible: notes.isLoading,
-                      ),
+                  if (widget.category == null && notes.isLoading)
+                    const Center(
+                      child: NeonLinearProgressIndicator(),
                     ),
-                    if (notes.hasData) ...[
+                  if (widget.category == null && notes.hasData)
                     NotesCategorySelect(
                       categories: notes.requireData.map((final note) => note.category).toSet().toList(),
                       onChanged: (final category) {
@@ -73,8 +72,6 @@ class _NotesCreateNoteDialogState extends State<NotesCreateNoteDialog> {
                       },
                       onSubmitted: submit,
                     ),
-                    ],
-                  ],
                   ElevatedButton(
                     onPressed: submit,
                     child: Text(NotesLocalizations.of(context).noteCreate),