[#2] [iOS] Fixes Old Arch support

Author: birdofpreyru

ios/ReactNativeFs.h

@@ -5,7 +5,114 @@
 
 @interface ReactNativeFs : RCTEventEmitter <NativeReactNativeFsSpec>
 #else
-#import <React/RCTBridgeModule.h>
+#import <optional>
+#import <React/RCTCxxConvert.h>
+#import <React/RCTManagedPointer.h>
+
+// These are automatically generated by RN Codegen when using the New Arch,
+// however for the backward compatibility to the Old Arch we need to provide
+// these ourselves.
+namespace JS {
+  namespace NativeReactNativeFs {
+    struct FileOptions {
+      NSString *NSFileProtectionKey() const {
+        return _v[@"NSFileProtectionKey"];
+      };
+      FileOptions(NSDictionary *const v) : _v(v) {}
+    private:
+      NSDictionary *_v;
+    };
+
+    struct MkdirOptions {
+      std::optional<bool> NSURLIsExcludedFromBackupKey() const {
+        return _v[@"NSURLIsExcludedFromBackupKey"];
+      }
+      NSString *NSFileProtectionKey() const {
+        return _v[@"NSFileProtectionKey"];
+      }
+
+      MkdirOptions(NSDictionary *const v) : _v(v) {}
+    private:
+      NSDictionary *_v;
+    };
+
+    struct NativeDownloadFileOptions {
+      double jobId() const { return [_v[@"jobId"] doubleValue]; }
+      NSString *fromUrl() const  { return _v[@"fromUrl"]; }
+      NSString *toFile() const  { return _v[@"toFile"]; }
+      bool background() const  { return _v[@"background"]; }
+      double backgroundTimeout() const  { return [_v[@"backgroundTimeout"] doubleValue]; }
+      bool cacheable() const  { return _v[@"cacheable"]; }
+      double connectionTimeout() const  { return [_v[@"connectionTimeout"] doubleValue]; }
+      bool discretionary() const  { return _v[@"discretionary"]; }
+      id<NSObject>  headers() const  { return _v[@"headers"]; }
+      double progressDivider() const  { return [_v[@"progressDivider"] doubleValue]; }
+      double progressInterval() const  { return [_v[@"progressInterval"] doubleValue]; }
+      double readTimeout() const  { return [_v[@"readTimeout"] doubleValue]; }
+      bool hasBeginCallback() const  { return _v[@"hasBeginCallback"]; }
+      bool hasProgressCallback() const  { return _v[@"hasProgressCallback"]; }
+      bool hasResumableCallback() const  { return _v[@"hasResumableCallback"]; }
+
+      NativeDownloadFileOptions(NSDictionary *const v) : _v(v) {}
+    private:
+      NSDictionary *_v;
+    };
+
+    typedef NSDictionary NativeUploadFileOptions;
+    typedef NSDictionary TouchOptions;
+
+    /*
+    struct UploadFileItem {
+      NSString *name() const;
+      NSString *filename() const;
+      NSString *filepath() const;
+      NSString *filetype() const;
+
+      UploadFileItem(NSDictionary *const v) : _v(v) {}
+    private:
+      NSDictionary *_v;
+    };
+
+    template <typename T>
+    using LazyVector = FB::LazyVector<T,id>;
+
+    struct NativeUploadFileOptions {
+      NSString *toUrl() const;
+      std::optional<bool> binaryStreamOnly() const;
+      LazyVector<UploadFileItem> files() const;
+      id<NSObject> _Nullable headers() const;
+      id<NSObject> _Nullable fields() const;
+      NSString *method() const;
+
+      NativeUploadFileOptions(NSDictionary *const v) : _v(v) {}
+    private:
+      NSDictionary *_v;
+    };
+
+    struct TouchOptions {
+      std::optional<double> ctime() const;
+      std::optional<double> mtime() const;
+
+      TouchOptions(NSDictionary *const v) : _v(v) {}
+    private:
+      NSDictionary *_v;
+    };
+     */
+  }
+}
+
+@implementation RCTCxxConvert (NativeReactNativeFs_FileOptions)
++ (RCTManagedPointer *)JS_NativeReactNativeFs_FileOptions:(id)json
+{
+  return facebook::react::managedPointer<JS::NativeReactNativeFs::FileOptions>(json);
+}
+@end
+@implementation RCTCxxConvert (NativeReactNativeFs_MkdirOptions)
++ (RCTManagedPointer *)JS_NativeReactNativeFs_MkdirOptions:(id)json
+{
+  return facebook::react::managedPointer<JS::NativeReactNativeFs::MkdirOptions>(json);
+}
+@end
 
 @interface ReactNativeFs : RCTEventEmitter <RCTBridgeModule>
 #endif