d

Modules/BusX/BusUI/src/BusUI.ManyButton.swift

@@ -0,0 +1,35 @@
+import Combine
+
+extension BusUI {
+  public final class ManyButton: ObservableObject {
+    let key: String
+    public let v = PassthroughSubject<Void, Never>()
+    @Published public var id: String?
+    var sub = [AnyCancellable]()
+    var subscriptions = [AnyCancellable]()
+   
+    public init(_ key: String) {
+      self.key = key
+
+      $id
+        .sink { [weak self] id in self?.setup(id) }
+        .store(in: &sub)
+    }
+
+    private func setup(_ id: String?) {
+      subscriptions = []
+
+      Bus.sendSync(
+        key,
+        v
+          .compactMap { v -> Any? in
+            guard let id else { return nil }
+            var d = [String: Bool]()
+            return MPAK.Many([id], d)
+          }
+          .eraseToAnyPublisher(),
+        &subscriptions
+      )
+    }
+  }
+}