Remove duplicates when propagating state (#31)

reddavis · Jun 10, 2022 · 7d2c96a · 7d2c96a
1 parent aad29dc
commit 7d2c96a
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/RedUx/Source/Store.swift b/RedUx/Source/Store.swift
@@ -7,7 +7,7 @@ import SwiftUI
 /// Generally an application will have one store and then use the scope function to create sub stores for
 /// different components of the app.
 @MainActor
-public final class Store<State, Event, Environment> {    
+public final class Store<State, Event, Environment> where State: Equatable {    
     /// The state of the store.
     public private(set) var state: State {
         didSet {
@@ -153,6 +153,7 @@ extension Store {
 
         // Propagate changes to state to scoped store.
         scopedStore.parentStatePropagationTask = self.stateSequence
+            .removeDuplicates()
             .sink(priority: .high) { [weak scopedStore] in
                 scopedStore?.state = toScopedState($0)
             }

diff --git a/RedUx/Source/SwiftUI/UnwrapStore.swift b/RedUx/Source/SwiftUI/UnwrapStore.swift
@@ -1,7 +1,8 @@
 import SwiftUI
 
 @MainActor
-public struct UnwrapStore<State, Event, Environment, Content>: View where Content: View {
+public struct UnwrapStore<State, Event, Environment, Content>: View
+where Content: View, State: Equatable {
     private let content: (Store<State?, Event, Environment>) -> Content
     private let store: Store<State?, Event, Environment>