Remove NodePresetStencilContext (#586)

* Remove NodePresetStencilContext

* Rename NodePreset to Preset

* Fix invalid preset tests

Author: tinder-cfuller

Sources/NodesXcodeTemplatesGenerator/Preset.swift

@@ -0,0 +1,28 @@
+//
+//  Copyright © 2023 Tinder (Match Group, LLC)
+//
+
+public enum Preset: String {
+
+    case app = "App"
+    case scene = "Scene"
+    case window = "Window"
+    case root = "Root"
+
+    public var nodeName: String {
+        rawValue
+    }
+
+    public var isViewInjected: Bool {
+        switch self {
+        case .app:
+            return true
+        case .scene:
+            return true
+        case .window:
+            return true
+        case .root:
+            return false
+        }
+    }
+}

Sources/NodesXcodeTemplatesGenerator/StencilContext.swift

@@ -7,11 +7,14 @@ import Foundation
 public enum StencilContextError: LocalizedError, Equatable {
 
     case reservedNodeName(String)
+    case invalidPreset(String)
 
     public var errorDescription: String? {
         switch self {
         case let .reservedNodeName(nodeName):
             return "ERROR: Reserved Node Name (\(nodeName))"
+        case let .invalidPreset(preset):
+            return "ERROR: Invalid Preset (\(preset))"
         }
     }
 }