Fix Electron 5 and NodeJS 12 compatibility (#1383)

* Fixed build for electron 5

* Updated changelog

CHANGELOG.md

@@ -10,6 +10,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 ### Changed
 ### Added
 ### Fixed
+* Fix electron 5 and node 12 compatibility
 * Fix encoding options (quality) parameter in `canvas.toDataURL()`
 
 2.4.0

src/Backends.cc

@@ -6,7 +6,7 @@
 
 using namespace v8;
 
-void Backends::Initialize(Handle<Object> target) {
+void Backends::Initialize(Local<Object> target) {
   Nan::HandleScope scope;
 
   Local<Object> obj = Nan::New<Object>();

src/Backends.h

@@ -6,5 +6,5 @@
 
 class Backends : public Nan::ObjectWrap {
   public:
-    static void Initialize(v8::Handle<v8::Object> target);
+    static void Initialize(v8::Local<v8::Object> target);
 };

src/backend/ImageBackend.cc

@@ -57,7 +57,7 @@ void ImageBackend::setFormat(cairo_format_t _format) {
 
 Nan::Persistent<FunctionTemplate> ImageBackend::constructor;
 
-void ImageBackend::Initialize(Handle<Object> target) {
+void ImageBackend::Initialize(Local<Object> target) {
 	Nan::HandleScope scope;
 
 	Local<FunctionTemplate> ctor = Nan::New<FunctionTemplate>(ImageBackend::New);

src/backend/ImageBackend.h

@@ -20,7 +20,7 @@ class ImageBackend : public Backend
     int32_t approxBytesPerPixel();
 
     static Nan::Persistent<v8::FunctionTemplate> constructor;
-    static void Initialize(v8::Handle<v8::Object> target);
+    static void Initialize(v8::Local<v8::Object> target);
     static NAN_METHOD(New);
     const static cairo_format_t DEFAULT_FORMAT = CAIRO_FORMAT_ARGB32;
 };

src/backend/PdfBackend.cc

@@ -36,7 +36,7 @@ cairo_surface_t* PdfBackend::recreateSurface() {
 
 Nan::Persistent<FunctionTemplate> PdfBackend::constructor;
 
-void PdfBackend::Initialize(Handle<Object> target) {
+void PdfBackend::Initialize(Local<Object> target) {
   Nan::HandleScope scope;
 
   Local<FunctionTemplate> ctor = Nan::New<FunctionTemplate>(PdfBackend::New);

src/backend/PdfBackend.h

@@ -19,6 +19,6 @@ class PdfBackend : public Backend
     static Backend *construct(int width, int height);
 
     static Nan::Persistent<v8::FunctionTemplate> constructor;
-    static void Initialize(v8::Handle<v8::Object> target);
+    static void Initialize(v8::Local<v8::Object> target);
     static NAN_METHOD(New);
 };

src/backend/SvgBackend.cc

@@ -38,7 +38,7 @@ cairo_surface_t* SvgBackend::recreateSurface() {
 
 Nan::Persistent<FunctionTemplate> SvgBackend::constructor;
 
-void SvgBackend::Initialize(Handle<Object> target) {
+void SvgBackend::Initialize(Local<Object> target) {
   Nan::HandleScope scope;
 
   Local<FunctionTemplate> ctor = Nan::New<FunctionTemplate>(SvgBackend::New);

src/backend/SvgBackend.h

@@ -19,6 +19,6 @@ class SvgBackend : public Backend
     static Backend *construct(int width, int height);
 
     static Nan::Persistent<v8::FunctionTemplate> constructor;
-    static void Initialize(v8::Handle<v8::Object> target);
+    static void Initialize(v8::Local<v8::Object> target);
     static NAN_METHOD(New);
 };