feat: add padding api to InfiniteList (#9)

CHANGELOG.md

@@ -1,7 +1,11 @@
+## [0.2.1] - 02/19/21
+
+- feat: add `padding` api to `InfiniteList`
+
 ## [0.2.0] - 02/17/21
 
-- feat: add reverse
-- feat: support custom scroll controller
+- feat: add `reverse` api to `InfiniteList`
+- feat: add `ScrollController` to `InfiniteList`
 
 ## [0.1.1] - 02/11/21
 

example/lib/main.dart

@@ -94,6 +94,7 @@ class _CustomInfiniteList extends StatelessWidget {
     return Scaffold(
       appBar: AppBar(title: const Text('Custom Infinite List')),
       body: InfiniteList<String>(
+        padding: const EdgeInsets.all(0),
         itemLoader: _itemLoader,
         builder: InfiniteListBuilder<String>(
           empty: (context) => _Empty(),

lib/very_good_infinite_list.dart

@@ -117,6 +117,7 @@ class InfiniteList<T> extends StatefulWidget {
     this.debounceDuration,
     this.reverse = false,
     this.onError,
+    this.padding,
     ScrollController scrollController,
     double scrollOffsetThreshold,
   })  : assert(itemLoader != null),
@@ -128,6 +129,9 @@ class InfiniteList<T> extends StatefulWidget {
             scrollOffsetThreshold ?? _kScrollOffsetThreshold,
         super(key: key);
 
+  /// The amount of space by which to inset the children of the [builder].
+  final EdgeInsetsGeometry padding;
+
   /// {@macro infinite_list_builder}
   final InfiniteListBuilder<T> builder;
 
@@ -274,6 +278,7 @@ class _InfiniteListState<T> extends State<InfiniteList<T>> {
         }
 
         return ListView.builder(
+          padding: widget.padding,
           reverse: widget.reverse,
           controller: _scrollController,
           itemCount: itemCount,

pubspec.yaml

@@ -2,7 +2,7 @@ name: very_good_infinite_list
 description: >-
   A Very Good Infinite List Widget created by Very Good Ventures.
   Comes in handy when making activity feeds, news feeds, etc.
-version: 0.2.0
+version: 0.2.1
 repository: https://github.com/VeryGoodOpenSource/very_good_infinite_list
 issue_tracker: https://github.com/VeryGoodOpenSource/very_good_infinite_list/issues
 homepage: https://github.com/VeryGoodOpenSource/very_good_infinite_list

test/very_good_infinite_list_test.dart

@@ -127,6 +127,25 @@ void main() {
       expect(listView.reverse, isFalse);
     });
 
+    testWidgets('list view supports custom padding', (tester) async {
+      final itemLoader = (int limit, {int start}) async {
+        return List.generate(15, (i) => i);
+      };
+      const padding = EdgeInsets.all(16);
+      await tester.pumpApp(
+        InfiniteList(
+          padding: padding,
+          itemLoader: itemLoader,
+          builder: InfiniteListBuilder(success: (_, __) => const SizedBox()),
+        ),
+      );
+
+      await tester.pump();
+
+      final listView = tester.widget<ListView>(find.byType(ListView));
+      expect(listView.padding, equals(padding));
+    });
+
     testWidgets('invokes itemLoader immediately', (tester) async {
       var itemLoaderCallCount = 0;
       final itemLoader = (int limit, {int start}) {