Include a JavaScript file in Google V8.

include_v8.cpp

void include(const v8::FunctionCallbackInfo<v8::Value>& file)
{
	auto isolate = file.GetIsolate();
	
	if (file.Length() != 1)
	{
		auto message = v8::String::NewFromUtf8(isolate,
											   "Invalid number "
											   "of arguments!");
		v8::Exception::SyntaxError(message);
	}
	
	std::ifstream stream(*v8::String::Utf8Value(file[0]));

	std::string source;
	std::string input;
	
	while (std::getline(stream, input))
	{
		source += input + "\n";
	}

	auto string = v8::String::NewFromUtf8(isolate, source.c_str());
	
	auto script = v8::Script::Compile(string);
	
	script->Run();
}