Merge pull request #26 from phranck/refactor/eliminate-terminal-singleton

Refactor: Eliminate Terminal singleton

Sources/TUIkit/App/App.swift

@@ -74,7 +74,7 @@ internal final class AppRunner<A: App> {
 
     init(app: A) {
         self.app = app
-        self.terminal = Terminal.shared
+        self.terminal = Terminal()
         self.statusBar = StatusBarState()
         self.focusManager = FocusManager()
         self.tuiContext = TUIContext()
@@ -203,7 +203,7 @@ internal protocol SceneRenderable {
 extension WindowGroup: SceneRenderable {
     func renderScene(context: RenderContext) {
         let buffer = renderToBuffer(content, context: context)
-        let terminal = Terminal.shared
+        let terminal = context.terminal
         let terminalWidth = terminal.width
         let terminalHeight = context.availableHeight
 

Sources/TUIkit/Rendering/Renderable.swift

@@ -91,7 +91,7 @@ public struct RenderContext {
     ///   - environment: The environment values (defaults to empty).
     ///   - tuiContext: The TUI context (defaults to a fresh instance).
     public init(
-        terminal: Terminal = .shared,
+        terminal: Terminal = Terminal(),
         availableWidth: Int? = nil,
         availableHeight: Int? = nil,
         environment: EnvironmentValues = EnvironmentValues(),

Sources/TUIkit/Rendering/Terminal.swift

@@ -32,9 +32,6 @@ import Foundation
 /// - Raw mode configuration
 /// - Safe input and output
 public final class Terminal: @unchecked Sendable {
-    /// The shared terminal instance.
-    public static let shared = Terminal()
-
     /// The width of the terminal in characters.
     public var width: Int {
         getSize().width
@@ -51,8 +48,8 @@ public final class Terminal: @unchecked Sendable {
     /// The original terminal settings.
     private var originalTermios: termios?
 
-    /// Private initializer for singleton.
-    private init() {}
+    /// Creates a new terminal instance.
+    public init() {}
 
     /// Destructor ensures raw mode is disabled.
     deinit {

Sources/TUIkit/Rendering/ViewRenderer.swift

@@ -30,7 +30,7 @@ public final class ViewRenderer {
     /// Creates a new ViewRenderer.
     ///
     /// - Parameter terminal: The target terminal.
-    public init(terminal: Terminal = .shared) {
+    public init(terminal: Terminal = Terminal()) {
         self.terminal = terminal
     }