void Parse()

in packages/flow-parser-bin/src/flow_parser_node.cc [62:101]

• 36 lines of code
• 7 McCabe index (conditional complexity)

void Parse(const Nan::FunctionCallbackInfo<v8::Value>& info) {
  if (info.Length() < 1) {
    Nan::ThrowTypeError("Wrong number of arguments");
    return;
  }

  if (!info[0]->IsString()) {
    Nan::ThrowTypeError("First argument must be a string");
    return;
  }

  Nan::HandleScope scope;
  V8Translator converter;
  Nan::Utf8String arg(info[0]);
  std::string content(*arg);

  options_t options;
  if (info.Length() > 1) {
    if (!info[1]->IsObject()) {
      Nan::ThrowTypeError("Second argument must be an object");
      return;
    } else {
      Local<Object> opts = Nan::To<Object>(info[1]).ToLocalChecked();
      Nan::MaybeLocal<Array> maybe_props = Nan::GetPropertyNames(opts);
      if (!maybe_props.IsEmpty()) {
        Local<Array> props = maybe_props.ToLocalChecked();
        for (uint32_t i = 0; i < props->Length(); i++) {
          Local<Value> key = Nan::Get(props, i).ToLocalChecked();
          Local<Value> value = Nan::Get(opts, key).ToLocalChecked();
          Nan::Utf8String name(key);
          options.insert(std::pair<std::string, int>(
              std::string(*name), Nan::To<bool>(value).FromJust()));
        }
      }
    }
  }

  Local<Value> result = converter.parse(content.c_str(), options);
  info.GetReturnValue().Set(result);
}