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Modules/CordX/src/Cord.Button.swift

@@ -0,0 +1,17 @@
+import BusX
+import Combine
+
+extension Cord {
+  public final class Button: ObservableObject {
+    public let press = PassthroughSubject<Void, Never>()
+    var subscriptions = [AnyCancellable]()
+   
+    public init(_ key: String) {
+      Bus.send(
+        key,
+        press.eraseToAnyPublisher(),
+        sub: &subscriptions
+      )
+    }
+  }
+}

Modules/CordX/src/Cord.Onlys.swift

@@ -0,0 +1,9 @@
+extension Cord {
+  /// Пропускаем лишь значения от UI
+  ///
+  /// - Returns: Значение без префиксов "a:"/"u:"
+  static func onlyUIText(_ s: String) -> String? {
+    guard s.hasPrefix("u:") else { return nil }
+    return String(s.dropFirst(2))
+  }
+}

Modules/CordX/src/Cord.Receive.swift

@@ -0,0 +1,21 @@
+import BusX
+import Combine
+
+extension Cord {
+  public final class Receive<T>: ObservableObject {
+    @Published public var value: T
+    var subscriptions = [AnyCancellable]()
+   
+    public init(
+      _ key: String,
+      _ defaultValue: T
+    ) {
+      value = defaultValue
+      Bus.receive(
+        [key],
+        { [weak self] (_, v: T) in self?.value = v },
+        sub: &subscriptions
+      )
+    }
+  }
+}

Modules/CordX/src/Cord.TextField.swift

@@ -0,0 +1,30 @@
+import BusX
+import Combine
+import SwiftUI
+
+extension Cord {
+  public final class TextField: ObservableObject {
+    @Published public var value = "a:"
+    var subscriptions = [AnyCancellable]()
+   
+    public init(
+      _ textApp: String,
+      _ textUI: String
+    ) {
+      Bus.send(
+        textUI,
+        $value
+          .removeDuplicates()
+          .compactMap(onlyUIText)
+          .eraseToAnyPublisher(),
+        sub: &subscriptions
+      )
+   
+      Bus.receive(
+        [textApp],
+        { [weak self] (_, v: String) in self?.value = "a:\(v)" },
+        sub: &subscriptions
+      )
+    }
+  }
+}

Modules/CordX/src/Cord.TextFieldValueOwner.swift

@@ -0,0 +1,19 @@
+import Foundation
+
+extension Cord {
+  public final class TextFieldValueOwner: Formatter {
+    public override func string(for obj: Any?) -> String? {
+      guard let str = obj as? String else { return nil }
+      return String(str.dropFirst(2))
+    }
+
+    public override func getObjectValue(
+      _ obj: AutoreleasingUnsafeMutablePointer<AnyObject?>?,
+      for string: String,
+      errorDescription error: AutoreleasingUnsafeMutablePointer<NSString?>?
+    ) -> Bool {
+      obj?.pointee = "u:\(string)" as AnyObject
+      return true
+    }
+  }
+}

Modules/CordX/src/Cord.swift

@@ -0,0 +1 @@
+public enum Cord { }