feature: support swift package manager

.gitignore

@@ -1,5 +1,6 @@
 .DS_STORE
 
+
 /buck-cache/
 /buck-out/
 /.buckconfig.local
@@ -7,6 +8,8 @@
 /gentest/test.html
 .buckversion
 
+.build/
+
 # Jekyll
 /.sass-cache/
 /_site/

Package.swift

@@ -0,0 +1,38 @@
+// swift-tools-version:5.0
+
+import PackageDescription
+
+let package = Package(
+    name: "YogaKit",
+    platforms: [
+        .macOS(.v10_10),
+        .iOS(.v8),
+        .tvOS(.v9),
+        .watchOS(.v2)
+    ],
+    products: [
+        .library(
+            name: "YogaKit", 
+            type: .static,
+            targets: ["YogaKit"]
+        )
+    ],
+    dependencies: [],
+    targets: [
+        .target(
+            name: "YogaKit",
+            path: "yoga",
+            exclude: [],
+            sources: ["./"],
+            publicHeadersPath: "include",
+            cSettings: [ 
+                .headerSearchPath("./")
+            ]
+        )
+    ],
+    swiftLanguageVersions: [
+        .version("5")
+    ],
+    cLanguageStandard: .gnu11,
+    cxxLanguageStandard: .gnucxx14
+)

yoga/event/event.h

@@ -10,7 +10,7 @@
 #include <functional>
 #include <vector>
 #include <array>
-#include <yoga/YGEnums.h>
+#include "../YGEnums.h"
 
 struct YGConfig;
 struct YGNode;

yoga/include/public-header.h

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+@import Foundation;
+
+#include "../Yoga.h"
+#include "../YGMacros.h"
+#include "../YGValue.h"
+#include "../YGEnums.h"