Run formatter, add branching, #available support, don't inline everything.

Author: ericlewis

Package.swift

@@ -3,22 +3,22 @@
 import PackageDescription
 
 let package = Package(
-    name: "ViewModifierBuilder",
-    platforms: [
-      .iOS(.v13),
-      .macOS(.v10_15),
-      .tvOS(.v13),
-      .watchOS(.v6)
-    ],
-    products: [
-        .library(
-            name: "ViewModifierBuilder",
-            targets: ["ViewModifierBuilder"]),
-    ],
-    targets: [
-        .target(
-            name: "ViewModifierBuilder",
-            dependencies: [],
-            path: "Sources")
-    ]
+  name: "ViewModifierBuilder",
+  platforms: [
+    .iOS(.v13),
+    .macOS(.v10_15),
+    .tvOS(.v13),
+    .watchOS(.v6),
+  ],
+  products: [
+    .library(
+      name: "ViewModifierBuilder",
+      targets: ["ViewModifierBuilder"])
+  ],
+  targets: [
+    .target(
+      name: "ViewModifierBuilder",
+      dependencies: [],
+      path: "Sources")
+  ]
 )

Sources/View+Modifiers.swift

@@ -10,4 +10,3 @@ extension View {
     modifier(ApplyViewModifiers(modifiers))
   }
 }
-

Sources/ViewModifierBuilder.swift

@@ -4,41 +4,41 @@ import SwiftUI
 @resultBuilder public enum ViewModifierBuilder {
 
   /// Builds an empty ViewModifer from a block containing no statements.
-  @inlinable public static func buildBlock() -> EmptyModifier {
+  public static func buildBlock() -> EmptyModifier {
     EmptyModifier()
   }
 
   /// Passes a single view written as a child view through unmodified.
-  @inlinable public static func buildBlock<Modifier>(_ modifier: Modifier) -> Modifier
+  public static func buildBlock<Modifier>(_ modifier: Modifier) -> Modifier
   where Modifier: ViewModifier {
     modifier
   }
 
-  @inlinable public static func buildBlock<M0, M1>(_ m0: M0, _ m1: M1) -> some ViewModifier
+  public static func buildBlock<M0, M1>(_ m0: M0, _ m1: M1) -> some ViewModifier
   where M0: ViewModifier, M1: ViewModifier {
     m0.concat(m1)
   }
 
-  @inlinable public static func buildBlock<M0, M1, M2>(_ m0: M0, _ m1: M1, _ m2: M2)
+  public static func buildBlock<M0, M1, M2>(_ m0: M0, _ m1: M1, _ m2: M2)
     -> some ViewModifier where M0: ViewModifier, M1: ViewModifier, M2: ViewModifier
   {
     m0.concat(m1).concat(m2)
   }
 
-  @inlinable public static func buildBlock<M0, M1, M2, M3>(_ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3)
+  public static func buildBlock<M0, M1, M2, M3>(_ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3)
     -> some ViewModifier
   where M0: ViewModifier, M1: ViewModifier, M2: ViewModifier, M3: ViewModifier {
     m0.concat(m1).concat(m2).concat(m3)
   }
 
-  @inlinable public static func buildBlock<M0, M1, M2, M3, M4>(
+  public static func buildBlock<M0, M1, M2, M3, M4>(
     _ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4
   ) -> some ViewModifier
   where M0: ViewModifier, M1: ViewModifier, M2: ViewModifier, M3: ViewModifier, M4: ViewModifier {
     m0.concat(m1).concat(m2).concat(m3).concat(m4)
   }
 
-  @inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5>(
+  public static func buildBlock<M0, M1, M2, M3, M4, M5>(
     _ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5
   ) -> some ViewModifier
   where
@@ -48,7 +48,7 @@ import SwiftUI
     m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5)
   }
 
-  @inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5, M6>(
+  public static func buildBlock<M0, M1, M2, M3, M4, M5, M6>(
     _ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5, _ m6: M6
   ) -> some ViewModifier
   where
@@ -58,7 +58,7 @@ import SwiftUI
     m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5).concat(m6)
   }
 
-  @inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5, M6, M7>(
+  public static func buildBlock<M0, M1, M2, M3, M4, M5, M6, M7>(
     _ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5, _ m6: M6, _ m7: M7
   ) -> some ViewModifier
   where
@@ -68,7 +68,7 @@ import SwiftUI
     m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5).concat(m6).concat(m7)
   }
 
-  @inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5, M6, M7, M8>(
+  public static func buildBlock<M0, M1, M2, M3, M4, M5, M6, M7, M8>(
     _ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5, _ m6: M6, _ m7: M7, _ m8: M8
   ) -> some ViewModifier
   where
@@ -78,7 +78,7 @@ import SwiftUI
     m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5).concat(m6).concat(m7).concat(m8)
   }
 
-  @inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5, M6, M7, M8, M9>(
+  public static func buildBlock<M0, M1, M2, M3, M4, M5, M6, M7, M8, M9>(
     _ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5, _ m6: M6, _ m7: M7, _ m8: M8,
     _ m9: M9
   ) -> some ViewModifier
@@ -89,4 +89,24 @@ import SwiftUI
     m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5).concat(m6).concat(m7).concat(m8)
       .concat(m9)
   }
+
+  /// Provides support for “if” statements in multi-statement closures, producing conditional content for the “then” branch.
+  public static func buildEither<Modifier>(first left: Modifier) -> some ViewModifier
+  where Modifier: ViewModifier {
+    left
+  }
+
+  /// Provides support for “if-else” statements in multi-statement closures, producing conditional content for the “else” branch.
+  public static func buildEither<Modifier>(second right: Modifier) -> some ViewModifier
+  where Modifier: ViewModifier {
+    right
+  }
+
+  /// Provides support for “if” statements with #available() clauses in multi-statement closures,
+  /// producing conditional content for the “then” branch, i.e. the conditionally-available branch.
+  public static func buildLimitedAvailability<Modifier>(_ modifier: Modifier)
+    -> some ViewModifier where Modifier: ViewModifier
+  {
+    modifier
+  }
 }