feat: use C api from Swift (#13)

Author: okwasniewski

React-jsc.podspec

@@ -26,6 +26,8 @@ Pod::Spec.new do |s|
   s.source_files           = "common/*.{cpp,h}", "ios/*.{mm,h}"
   s.compiler_flags = folly_compiler_flags + ' ' + boost_compiler_flags
   s.weak_framework         = "JavaScriptCore"
+  s.pod_target_xcconfig    = { "DEFINES_MODULE" => "YES" }
+  s.module_name            = "ReactJSC"
 
   s.dependency "RCT-Folly", folly_version
   s.dependency "DoubleConversion"

common/JSCRuntime.h

@@ -7,6 +7,8 @@
 
 #pragma once
 
+#ifdef __cplusplus
+
 #include <jsi/jsi.h>
 #include <memory.h>
 
@@ -17,3 +19,5 @@ std::unique_ptr<jsi::Runtime> makeJSCRuntime();
 
 } // namespace jsc
 } // namespace facebook
+
+#endif

example/ios/JSCExample/AppDelegate.swift

@@ -2,6 +2,7 @@ import UIKit
 import React
 import React_RCTAppDelegate
 import ReactAppDependencyProvider
+import ReactJSC
 
 @main
 class AppDelegate: RCTAppDelegate {
@@ -27,4 +28,8 @@ class AppDelegate: RCTAppDelegate {
     Bundle.main.url(forResource: "main", withExtension: "jsbundle")
 #endif
   }
+  
+  override func createJSRuntimeFactory() -> JSRuntimeFactoryRef {
+    return jsrt_create_jsc_factory()
+  }
 }

example/ios/Podfile

@@ -10,6 +10,8 @@ prepare_react_native_project!
 
 # Disable linking of internal JSC
 ENV['USE_THIRD_PARTY_JSC'] = '1'
+# Extracted JSC works only with new arch
+ENV['RCT_NEW_ARCH_ENABLED'] = '1'
 
 linkage = ENV['USE_FRAMEWORKS']
 if linkage != nil