updating WriteUtf8V2 method

Author: agracio

nan.h

@@ -427,15 +427,11 @@ template<typename P> class WeakCallbackInfo;
 
 namespace imp {
   static const size_t kMaxLength = 0x3fffffff;
-  // v8::String::REPLACE_INVALID_UTF8 was introduced
-  // in node.js v0.10.29 and v0.8.27.
-#if NODE_MAJOR_VERSION > 0 || \
-    NODE_MINOR_VERSION > 10 || \
-    NODE_MINOR_VERSION == 10 && NODE_PATCH_VERSION >= 29 || \
-    NODE_MINOR_VERSION == 8 && NODE_PATCH_VERSION >= 27
-  static const unsigned kReplaceInvalidUtf8 = v8::String::REPLACE_INVALID_UTF8;
+#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 13 ||                     \
+  (V8_MAJOR_VERSION == 13 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 4))
+  static const unsigned kReplaceInvalidUtf8 = v8::String::WriteFlags::kReplaceInvalidUtf8;
 #else
-  static const unsigned kReplaceInvalidUtf8 = 0;
+  static const unsigned kReplaceInvalidUtf8 = v8::String::REPLACE_INVALID_UTF8;
 #endif
 }  // end of namespace imp
 
@@ -1167,14 +1163,14 @@ class Utf8String {
           str_ = static_cast<char*>(malloc(len));
           assert(str_ != 0);
         }
-        const int flags =
-            v8::String::NO_NULL_TERMINATION | imp::kReplaceInvalidUtf8;
 #if NODE_MAJOR_VERSION >= 11
 #if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 13 ||                     \
-  (V8_MAJOR_VERSION == 13 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION > 3))
+  (V8_MAJOR_VERSION == 13 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 4))
     length_ = string->WriteUtf8V2(v8::Isolate::GetCurrent(), str_,
                                     static_cast<int>(len), imp::kReplaceInvalidUtf8);
 #else
+    const int flags =
+        v8::String::NO_NULL_TERMINATION | imp::kReplaceInvalidUtf8;
     length_ = string->WriteUtf8(v8::Isolate::GetCurrent(), str_,
                                     static_cast<int>(len), 0, flags);
 #endif
@@ -1190,7 +1186,9 @@ class Utf8String {
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 #endif
-        length_ = string->WriteUtf8(str_, static_cast<int>(len), 0, flags);
+  const int flags =
+    v8::String::NO_NULL_TERMINATION | imp::kReplaceInvalidUtf8;
+  length_ = string->WriteUtf8(str_, static_cast<int>(len), 0, flags);
 #ifdef __GNUC__
 #pragma GCC diagnostic pop
 #endif