primes.cc

#include <napi.h>
#include <math.h>

namespace primes {

// Implementation of isPrime() and prime() omitted. See
// https://github.com/fhinkel/javascript-vs-native-addon-prime-numbers/blob/master/primes.cc
    
Napi::Value Method(const Napi::CallbackInfo& info) {
    Napi::Env env = info.Env();
    int number = info[0].ToNumber().Int32Value();
    int res = primes::prime(env, number);
    return Napi::Number::New(env, res);
}

Napi::Object Init(Napi::Env env, Napi::Object exports) {
    exports.Set(Napi::String::New(env, "prime"),
                Napi::Function::New(env, Method));
    return exports;
}

NODE_API_MODULE(NODE_GYP_MODULE_NAME, Init)

} // End namespace prime