static function address reuse on OSX

binding.cc

#include <assert.h>
#include <node.h>
#include "common.h"

namespace {

void Init(v8::Local<v8::Object> exports,
          v8::Local<v8::Object> module,
          v8::Local<v8::Context> context) {
  v8::Local<v8::Name> propName =
  v8::String::NewFromUtf8(context->GetIsolate(), "getModuleName",
      v8::NewStringType::kNormal).ToLocalChecked();
  v8::Local<v8::Value> propValue =
      ReturnModuleName::New(context, NODE_STRINGIFY(NODE_GYP_MODULE_NAME));
  exports->Set(context, propName, propValue).FromJust();
}

}  // end of anonymous namespace

NODE_MODULE_CONTEXT_AWARE(NODE_GYP_MODULE_NAME, Init)

binding.gyp

{
  'targets': [
    {
      'target_name': 'binding1',
      'sources': [ 'binding.cc' ]
    },
    {
      'target_name': 'binding2',
      'sources': [ 'binding.cc' ]
    },
  ]
}

common.h

#include <node.h>

// Solution: enclose in anonymous namespace. Uncomment line below and
// corresponding closing brace at the bottom of the file.

// namespace {

class ReturnModuleName {
 public:
  static inline v8::Local<v8::Function>
  New(v8::Local<v8::Context> context, const char* string);
 private:
  static inline void
  Binding(const v8::FunctionCallbackInfo<v8::Value>& info);
};

v8::Local<v8::Function>
ReturnModuleName::New(v8::Local<v8::Context> context, const char* string) {
  v8::Local<v8::String> v8string =
      v8::String::NewFromUtf8(context->GetIsolate(),
                              string,
                              v8::NewStringType::kNormal).ToLocalChecked();
  return v8::Function::New(context, Binding, v8string).ToLocalChecked();
}

void
ReturnModuleName::Binding(const v8::FunctionCallbackInfo<v8::Value>& info) {
  info.GetReturnValue().Set(info.Data());
}

// }  // end of anonymous namespace

index.js

const assert = require('assert');
const bindings = require('bindings');
const binding1 = bindings('binding1');
const binding2 = bindings('binding2');

console.log(binding1.getModuleName());
console.log(binding2.getModuleName());

package.json

{
  "name": "napi-pr-407",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "dependencies": {
    "bindings": "^1.4.0"
  },
  "author": "",
  "license": "Apache-2.0"
}