Allow "nativeRequire" to accept "bundleId" and "moduleId" values

Differential Revision: D5850960

fbshipit-source-id: 4d7aa0ed7542181861649a2089d90c3cf98723e9

ReactCommon/cxxreact/JSCExecutor.cpp

@@ -574,16 +574,7 @@ JSValueRef JSCExecutor::getNativeModule(JSObjectRef object, JSStringRef property
 JSValueRef JSCExecutor::nativeRequire(
     size_t argumentCount,
     const JSValueRef arguments[]) {
-  if (argumentCount != 1) {
-    throw std::invalid_argument("Got wrong number of args");
-  }
-
-  double moduleId = Value(m_context, arguments[0]).asNumber();
-  if (moduleId < 0) {
-    throw std::invalid_argument(folly::to<std::string>("Received invalid module ID: ",
-      Value(m_context, arguments[0]).toString().str()));
-  }
-
+  uint32_t moduleId = parseNativeRequireParameters(m_context, arguments, argumentCount).second;
   ReactMarker::logMarker(ReactMarker::NATIVE_REQUIRE_START);
   loadModule(moduleId);
   ReactMarker::logMarker(ReactMarker::NATIVE_REQUIRE_STOP);

ReactCommon/cxxreact/JSCUtils.cpp

@@ -13,5 +13,33 @@ String jsStringFromBigString(JSContextRef ctx, const JSBigString& bigstr) {
   }
 }
 
+std::pair<uint32_t, uint32_t> parseNativeRequireParameters(
+    const JSGlobalContextRef& context,
+    const JSValueRef arguments[],
+    size_t argumentCount) {
+  double moduleId = 0, bundleId = 0;
+
+  if (argumentCount == 1) {
+    moduleId = Value(context, arguments[0]).asNumber();
+  } else if (argumentCount == 2) {
+    moduleId = Value(context, arguments[0]).asNumber();
+    bundleId = Value(context, arguments[1]).asNumber();
+  } else {
+    throw std::invalid_argument("Got wrong number of args");
+  }
+
+  if (moduleId < 0) {
+    throw std::invalid_argument(folly::to<std::string>("Received invalid module ID: ",
+                                                       Value(context, arguments[0]).toString().str()));
+  }
+
+  if (bundleId < 0) {
+    throw std::invalid_argument(folly::to<std::string>("Received invalid bundle ID: ",
+                                                       Value(context, arguments[1]).toString().str()));
+  }
+
+  return std::make_pair(static_cast<uint32_t>(bundleId), static_cast<uint32_t>(moduleId));
+}
+
 }
 }

ReactCommon/cxxreact/JSCUtils.h

@@ -11,5 +11,13 @@ namespace react {
 
 String jsStringFromBigString(JSContextRef ctx, const JSBigString& bigstr);
 
+/**
+ * Parses "nativeRequire" parameters
+ * and returns pair of "bundle id" & "module id" values
+ */
+std::pair<uint32_t, uint32_t> parseNativeRequireParameters(const JSGlobalContextRef& context,
+                                                           const JSValueRef arguments[],
+                                                           size_t argumentCount);
+
 }
 }