Yattee v2 rewrite

Yattee/Extensions/View+Conditional.swift

@@ -0,0 +1,50 @@
+//
+//  View+Conditional.swift
+//  Yattee
+//
+//  Conditional view modifier extension.
+//
+
+import SwiftUI
+
+extension View {
+    /// Conditionally applies a transformation to the view.
+    @ViewBuilder
+    func `if`<Transform: View>(
+        _ condition: Bool,
+        transform: (Self) -> Transform
+    ) -> some View {
+        if condition {
+            transform(self)
+        } else {
+            self
+        }
+    }
+
+    /// Conditionally applies one of two transformations.
+    @ViewBuilder
+    func `if`<TrueContent: View, FalseContent: View>(
+        _ condition: Bool,
+        then trueTransform: (Self) -> TrueContent,
+        else falseTransform: (Self) -> FalseContent
+    ) -> some View {
+        if condition {
+            trueTransform(self)
+        } else {
+            falseTransform(self)
+        }
+    }
+
+    /// Conditionally applies a transformation when an optional value is present.
+    @ViewBuilder
+    func ifLet<T, Transform: View>(
+        _ value: T?,
+        transform: (Self, T) -> Transform
+    ) -> some View {
+        if let value {
+            transform(self, value)
+        } else {
+            self
+        }
+    }
+}