From 374144259a2e9dfa9ce83cfea6b7bd3a9e74d45e Mon Sep 17 00:00:00 2001
From: uvok
Date: Sat, 2 Aug 2025 13:18:32 +0200
Subject: Move extension methods

---
 lib/extensions/list_ext.dart | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 lib/extensions/list_ext.dart

(limited to 'lib/extensions/list_ext.dart')

diff --git a/lib/extensions/list_ext.dart b/lib/extensions/list_ext.dart
new file mode 100644
index 0000000..8ef2713
--- /dev/null
+++ b/lib/extensions/list_ext.dart
@@ -0,0 +1,39 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+extension ListExt<T> on List<T> {
+  /// If predicate is true for any element on the list, replace first element on that position.
+  /// Otherwise, add element.
+  void addOrReplaceWhere(T dev, bool Function(T exDev) predicate) {
+    int idx = indexWhere(predicate);
+
+    if (idx == -1) {
+      add(dev);
+    } else {
+      removeAt(idx);
+      insert(idx, dev);
+    }
+  }
+
+  /// An element if the predicate is true only for all elements.
+  /// predicate is passed all existing elements.
+  bool addIf(T dev, bool Function(T exDev) predicate) {
+    if (every(predicate)) {
+      add(dev);
+      return true;
+    }
+    return false;
+  }
+}
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