#41: Added replace where

icapps · Apr 17, 2021 · 8a62869 · 8a62869
1 parent 2d8d679
commit 8a62869
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diff --git a/lib/src/extension/list_extensions.dart b/lib/src/extension/list_extensions.dart
@@ -16,6 +16,18 @@ extension ListExtensions<T> on List<T> {
     insert(index, newData);
   }
 
+  ///Replaces all items that matches where  with [newData]
+  void replaceWhere(bool Function(T) where, T newData) {
+    final whereResult = this.where(where);
+    print(whereResult);
+    whereResult.forEach((result) {
+      if (result == null) return;
+      final index = indexOf(result);
+      removeAt(index);
+      insert(index, newData);
+    });
+  }
+
   /// Sorts the list based on the comparable returned by [by]. By default
   /// the sorting is [ascending]
   void sortBy<R>(Comparable<R>? by(T item), {bool ascending = true}) {

diff --git a/test/extension/list_extension_test.dart b/test/extension/list_extension_test.dart
@@ -18,6 +18,15 @@ void main() {
       expect(sut..replaceFirstWhere((item) => item == 2, 100),
           [1, 100, 3, 4, 5, 6, 7, 8, 9, 10]);
     });
+    test('Test replaceWhere', () {
+      expect(sut, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
+      expect(
+          sut
+            ..replaceWhere(
+                (item) => item == 2 || item == 4 || item == 1 || item == 9,
+                100),
+          [100, 100, 3, 100, 5, 6, 7, 8, 100, 10]);
+    });
     test('Test sort by', () {
       sut.sortBy((e) => 10 - e);
       expect(sut, [10, 9, 8, 7, 6, 5, 4, 3, 2, 1]);