Merge pull request #117 from AckeeCZ/publisher-extensions

Publisher extensions
AckeeCZ · Mar 31, 2022 · 1bb67ae · 1bb67ae
2 parents 3598470 + a2b2baa
commit 1bb67ae
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diff --git a/ACKategories.xcodeproj/project.pbxproj b/ACKategories.xcodeproj/project.pbxproj
@@ -21,6 +21,7 @@
 /* End PBXAggregateTarget section */
 
 /* Begin PBXBuildFile section */
+		0E3478AB27E37DC1004548B3 /* PublisherExtensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0E3478AA27E37DC1004548B3 /* PublisherExtensions.swift */; };
 		6914B1142728231300FF177E /* TagListView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6914B1132728231300FF177E /* TagListView.swift */; };
 		692154722773A634007A5A5B /* IntExtensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69F7058D273ADBA3004DD190 /* IntExtensions.swift */; };
 		6922A08B273B2630004B2B1F /* IntTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6922A08A273B2630004B2B1F /* IntTests.swift */; };
@@ -193,6 +194,7 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		0E3478AA27E37DC1004548B3 /* PublisherExtensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PublisherExtensions.swift; sourceTree = "<group>"; };
 		6914B1132728231300FF177E /* TagListView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TagListView.swift; sourceTree = "<group>"; };
 		6922A08A273B2630004B2B1F /* IntTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IntTests.swift; sourceTree = "<group>"; };
 		69372704257FAF02007CE25C /* UINavigationControllerExtensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UINavigationControllerExtensions.swift; sourceTree = "<group>"; };
@@ -431,6 +433,7 @@
 				69F7058D273ADBA3004DD190 /* IntExtensions.swift */,
 				6950964A23C7751E00E8F457 /* NSAttributedStringExtensions.swift */,
 				6950964F23C7753500E8F457 /* NumberFormatterExtensions.swift */,
+				0E3478AA27E37DC1004548B3 /* PublisherExtensions.swift */,
 				6950965523C7754D00E8F457 /* Reusable.swift */,
 				6950965823C78AB900E8F457 /* StringExtensions.swift */,
 				6950967923C78AD000E8F457 /* UserDefaultsExtensions.swift */,
@@ -964,6 +967,7 @@
 			files = (
 				69F7058E273ADBA3004DD190 /* IntExtensions.swift in Sources */,
 				F885BDA3245ACD010071073D /* Randomizable.swift in Sources */,
+				0E3478AB27E37DC1004548B3 /* PublisherExtensions.swift in Sources */,
 				6950964423C774DB00E8F457 /* ConditionalAssignment.swift in Sources */,
 				6950963C23C774DB00E8F457 /* DictionaryExtensions.swift in Sources */,
 				6950963E23C774DB00E8F457 /* CollectionExtensions.swift in Sources */,

diff --git a/ACKategoriesCore/PublisherExtensions.swift b/ACKategoriesCore/PublisherExtensions.swift
@@ -0,0 +1,11 @@
+import Combine
+
+@available(macOS 10.15, iOS 13.0, *)
+extension Publisher where Failure == Never {
+    /// Weakifies `Root` object and assigns `Output` to `keyPath` on `Root`.
+    public func weakAssign<Root: AnyObject>(to keyPath: ReferenceWritableKeyPath<Root, Output>, on object: Root) -> AnyCancellable {
+        sink { [weak object] value in
+            object?[keyPath: keyPath] = value
+        }
+    }
+}
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,7 @@
 ```
 
 ## Next
+- Create `PublisherExtensions.swift` and add `weakAssign(on:to:)`. ([#116](https://github.com/AckeeCZ/ACKategories/pull/116), kudos to @vendulasvastal)
 
 - Add option to implement custom push transition ([#115](https://github.com/AckeeCZ/ACKategories/pull/115), kudos to @leinhauplk)
-Original file line number
+Diff line change
@@ Expand Up / @@ -7,6 +7,7 @@ @@
     ```
     ## Next
+    - Create `PublisherExtensions.swift` and add `weakAssign(on:to:)`. ([#116](https://github.com/AckeeCZ/ACKategories/pull/116), kudos to @vendulasvastal)
     - Add option to implement custom push transition ([#115](https://github.com/AckeeCZ/ACKategories/pull/115), kudos to @leinhauplk)
@@ Expand Down @@