remove deprecated v8::Handle to upgrade to node@12

the change is also needed for using electron 5.x: https://electronjs.org/blog/nodejs-native-addons-and-electron-5

package.json

@@ -38,13 +38,13 @@
  "test": "mocha"
  },
  "dependencies": {
- "bindings": "^1.4.0",
- "nan": "^2.12.1"
+ "bindings": "^1.5.0",
+ "nan": "^2.14.0"
  },
  "devDependencies": {
- "mocha": "^6.0.0",
+ "mocha": "^6.1.4",
  "should": "^13.2.3",
- "sinon": "^7.2.4"
+ "sinon": "^7.3.2"
  },
  "gypfile": true
 }

src/addon.cpp

@@ -1,7 +1,7 @@
 #include "pcsclite.h"
 #include "cardreader.h"
 
-void init_all(v8::Handle<v8::Object> target) {
+void init_all(v8::Local<v8::Object> target) {
  PCSCLite::init(target);
  CardReader::init(target);
 }

src/cardreader.h

@@ -87,7 +87,7 @@ class CardReader: public Nan::ObjectWrap {
 
  public:
 
- static void init(v8::Handle<v8::Object> target);
+ static void init(v8::Local<v8::Object> target);
 
  const SCARDHANDLE& GetHandler() const { return m_card_handle; };
 
@@ -120,7 +120,7 @@ class CardReader: public Nan::ObjectWrap {
  static void AfterTransmit(uv_work_t* req, int status);
  static void AfterControl(uv_work_t* req, int status);
 
- static v8::Handle<v8::Value> CreateBufferInstance(char* data, unsigned long size);
+ static v8::Local<v8::Value> CreateBufferInstance(char* data, unsigned long size);
 
  private:
 

src/pcsclite.cpp

@@ -6,7 +6,7 @@ using namespace node;
 
 Nan::Persistent<Function> PCSCLite::constructor;
 
-void PCSCLite::init(Handle<Object> target) {
+void PCSCLite::init(Local<Object> target) {
 
  // Prepare constructor template
  Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(New);

src/pcsclite.h

@@ -28,7 +28,7 @@ class PCSCLite: public Nan::ObjectWrap {
 
  public:
 
- static void init(v8::Handle<v8::Object> target);
+ static void init(v8::Local<v8::Object> target);
 
  private: