c++ 创建js的文件对象吗

#include <node.h>
#include <uv.h>
#include <v8.h>

using namespace v8;

void ReadFile(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    String::Utf8Value filename(isolate, args[0]);

    FILE* file = fopen(*filename, "r");
    if (!file) {
        isolate->ThrowException(Exception::Error(
            String::NewFromUtf8(isolate, "Failed to open file").ToLocalChecked()));
        return;
    }

    fseek(file, 0, SEEK_END);
    long size = ftell(file);
    fseek(file, 0, SEEK_SET);

    char* buffer = new char[size + 1];
    fread(buffer, 1, size, file);
    fclose(file);
    buffer[size] = '\0';

    Local<String> result = String::NewFromUtf8(isolate, buffer).ToLocalChecked();
    delete[] buffer;
    args.GetReturnValue().Set(result);
}

void Initialize(Local<Object> exports) {
    NODE_SET_METHOD(exports, "readFile", ReadFile);
}

NODE_MODULE(addon, Initialize)

const addon = require('./build/Release/addon');

addon.readFile('example.txt', (err, data) => {
    if (err) throw err;
    console.log(data);
});