Data commit

Task/Call-a-foreign-language-function/JavaScript/call-a-foreign-language-function-1.js

@@ -0,0 +1,28 @@
+#include <napi.h>
+#include <openssl/md5.h>
+
+#include <iomanip>
+#include <iostream>
+#include <sstream>
+#include <string>
+using namespace Napi;
+
+Napi::Value md5sum(const Napi::CallbackInfo& info) {
+  std::string input = info[0].ToString();
+
+  unsigned char result[MD5_DIGEST_LENGTH];
+  MD5((unsigned char*)input.c_str(), input.size(), result);
+
+  std::stringstream md5string;
+  md5string << std::hex << std::setfill('0');
+  for (const auto& byte : result) md5string << std::setw(2) << (int)byte;
+  return String::New(info.Env(), md5string.str().c_str());
+}
+
+Napi::Object Init(Napi::Env env, Napi::Object exports) {
+  exports.Set(Napi::String::New(env, "md5sum"),
+              Napi::Function::New(env, md5sum));
+  return exports;
+}
+
+NODE_API_MODULE(addon, Init)

Task/Call-a-foreign-language-function/JavaScript/call-a-foreign-language-function-2.js

@@ -0,0 +1 @@
+node-gyp build

Task/Call-a-foreign-language-function/JavaScript/call-a-foreign-language-function-3.js

@@ -0,0 +1,3 @@
+const addon = require('../build/Release/md5sum-native');
+
+module.exports = addon.md5sum;

Task/Call-a-foreign-language-function/JavaScript/call-a-foreign-language-function-4.js

@@ -0,0 +1,2 @@
+const md5sum = require('../lib/binding.js');
+console.log(md5sum('hello'));

Task/Call-a-foreign-language-function/JavaScript/call-a-foreign-language-function-5.js

@@ -0,0 +1,5 @@
+import { createRequire } from 'module';
+const require = createRequire(import.meta.url);
+const addon = require('../build/Release/md5sum-native');
+
+export default addon.md5sum;

Task/Call-a-foreign-language-function/JavaScript/call-a-foreign-language-function-6.js

@@ -0,0 +1,3 @@
+import md5sum from '../lib/binding.js';
+
+console.log(md5sum('hello'));