src: modify code for empty string

PR-URL: #49336
Refs: #49097
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Debadree Chatterjee <debadree333@gmail.com>

Author: pluris

src/node_url.cc

@@ -78,7 +78,7 @@ void BindingData::DomainToASCII(const FunctionCallbackInfo<Value>& args) {
 
  std::string input = Utf8Value(env->isolate(), args[0]).ToString();
 if (input.empty()) {
-return args.GetReturnValue().Set(FIXED_ONE_BYTE_STRING(env->isolate(), ""));
+return args.GetReturnValue().Set(String::Empty(env->isolate()));
  }
 
 // It is important to have an initial value that contains a special scheme.
@@ -87,7 +87,7 @@ void BindingData::DomainToASCII(const FunctionCallbackInfo<Value>& args) {
 auto out = ada::parse<ada::url>("ws://x");
 DCHECK(out);
 if (!out->set_hostname(input)) {
-return args.GetReturnValue().Set(FIXED_ONE_BYTE_STRING(env->isolate(), ""));
+return args.GetReturnValue().Set(String::Empty(env->isolate()));
  }
  std::string host = out->get_hostname();
  args.GetReturnValue().Set(
@@ -101,8 +101,7 @@ void BindingData::DomainToUnicode(const FunctionCallbackInfo<Value>& args) {
 
  std::string input = Utf8Value(env->isolate(), args[0]).ToString();
 if (input.empty()) {
-return args.GetReturnValue().Set(
-String::NewFromUtf8(env->isolate(), "").ToLocalChecked());
+return args.GetReturnValue().Set(String::Empty(env->isolate()));
  }
 
 // It is important to have an initial value that contains a special scheme.
@@ -111,8 +110,7 @@ void BindingData::DomainToUnicode(const FunctionCallbackInfo<Value>& args) {
 auto out = ada::parse<ada::url>("ws://x");
 DCHECK(out);
 if (!out->set_hostname(input)) {
-return args.GetReturnValue().Set(
-String::NewFromUtf8(env->isolate(), "").ToLocalChecked());
+return args.GetReturnValue().Set(String::Empty(env->isolate()));
  }
  std::string result = ada::unicode::to_unicode(out->get_hostname());