Add setNestedValueOnMapExtension to collections

Author: robmllze

lib/src/_all_src.g.dart

@@ -25,6 +25,7 @@ export 'collections/src/non_nulls_on_map_extension.dart';
 export 'collections/src/null_filtered.dart';
 export 'collections/src/null_if_empty_extensions.dart';
 export 'collections/src/second_to_ninth_element_on_iterable_extension.dart';
+export 'collections/src/set_nested_value_on_map_extension.dart';
 export 'collections/src/unique_entries.dart';
 export 'core/src/ansi_styled_string.dart';
 export 'core/src/callbacks.dart';

lib/src/collections/src/set_nested_value_on_map_extension.dart

@@ -0,0 +1,34 @@
+//.title
+// ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓
+//
+// 🇽🇾🇿 & Dev
+//
+// Copyright Ⓒ Robert Mollentze, xyzand.dev
+//
+// Licensing details can be found in the LICENSE file in the root directory.
+//
+// ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓
+//.title~
+
+extension SetNestedValueOnMapExtension on Map {
+  /// Sets a [value] in a nested map structure, creating intermediate maps as
+  /// needed.
+  ///
+  /// Traverses the [keyPath] in the map, creating empty maps for any missing
+  /// intermediate keys, and sets the [value] at the final key in the path.
+  ///
+  /// **Example:**
+  ///
+  /// ```dart
+  /// final map = <String, dynamic>{};
+  /// map.setNestedValue(['hello', 'world'], 'oh hey there!');
+  /// print(map); // {hello: {world: oh hey there!}}
+  /// ```
+  void setNestedValue(List<dynamic> keyPath, dynamic value) {
+    var currentLevel = this;
+    for (var n = 0; n < keyPath.length - 1; n++) {
+      currentLevel = currentLevel.putIfAbsent(keyPath[n], () => {});
+    }
+    currentLevel[keyPath.last] = value;
+  }
+}

pubspec.yaml

@@ -13,7 +13,7 @@
 name: xyz_utils
 description: This package provides a set of utilities that are commonly used in Dart apps. It is also the foundation for other packages in the XYZ ecosystem.
 repository: https://github.com/robmllze/xyz_utils
-version: 0.60.0
+version: 0.61.0
 
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