Support Node 12

foliojs#43

Author: agata

package.json

@@ -5,7 +5,7 @@
   "main": "build/Release/fontmanager",
   "types": "index.d.ts",
   "dependencies": {
-    "nan": ">=2.10.0"
+    "nan": ">=2.14.0"
   },
   "devDependencies": {
     "mocha": "*"

src/FontDescriptor.h

@@ -112,27 +112,26 @@ struct FontDescriptor {
   Local<Object> toJSObject() {
     Nan::EscapableHandleScope scope;
     Local<Object> res = Nan::New<Object>();
-
     if (path) {
-      Nan::Set(res, Nan::New<String>("path").ToLocalChecked(), Nan::New<String>(path).ToLocalChecked());
+      Nan::Set(res, Nan::New("path").ToLocalChecked(), Nan::New<String>(path).ToLocalChecked());
     }
-    
+
     if (postscriptName) {
-      Nan::Set(res, Nan::New<String>("postscriptName").ToLocalChecked(), Nan::New<String>(postscriptName).ToLocalChecked());
+      Nan::Set(res, Nan::New("postscriptName").ToLocalChecked(), Nan::New<String>(postscriptName).ToLocalChecked());
     }
-    
+
     if (family) {
-      Nan::Set(res, Nan::New<String>("family").ToLocalChecked(), Nan::New<String>(family).ToLocalChecked());
+      Nan::Set(res, Nan::New("family").ToLocalChecked(), Nan::New<String>(family).ToLocalChecked());
     }
-    
+
     if (style) {
-      Nan::Set(res, Nan::New<String>("style").ToLocalChecked(), Nan::New<String>(style).ToLocalChecked());
+      Nan::Set(res, Nan::New("style").ToLocalChecked(), Nan::New<String>(style).ToLocalChecked());
     }
-    
-    Nan::Set(res, Nan::New<String>("weight").ToLocalChecked(), Nan::New<Number>(weight));
-    Nan::Set(res, Nan::New<String>("width").ToLocalChecked(), Nan::New<Number>(width));
-    Nan::Set(res, Nan::New<String>("italic").ToLocalChecked(), Nan::New<v8::Boolean>(italic));
-    Nan::Set(res, Nan::New<String>("monospace").ToLocalChecked(), Nan::New<v8::Boolean>(monospace));
+
+    Nan::Set(res, Nan::New("weight").ToLocalChecked(), Nan::New<Number>(weight));
+    Nan::Set(res, Nan::New("width").ToLocalChecked(), Nan::New<Number>(width));
+    Nan::Set(res, Nan::New("italic").ToLocalChecked(), Nan::New<v8::Boolean>(italic));
+    Nan::Set(res, Nan::New("monospace").ToLocalChecked(), Nan::New<v8::Boolean>(monospace));
     return scope.Escape(res);
   }
 
@@ -148,32 +147,47 @@ struct FontDescriptor {
 
   char *getString(Local<Object> obj, const char *name) {
     Nan::HandleScope scope;
-    MaybeLocal<Value> value = Nan::Get(obj, Nan::New<String>(name).ToLocalChecked());
+    Nan::MaybeLocal<v8::Value> maybeValue = Nan::Get(obj, Nan::New(name).ToLocalChecked());
+
+    if (maybeValue.IsEmpty()) {
+      return NULL;
+    }
 
-    if (!value.IsEmpty() && value.ToLocalChecked()->IsString()) {
-      return copyString(*Nan::Utf8String(value.ToLocalChecked()));
+    v8::Local<v8::Value> value = maybeValue.ToLocalChecked();
+    if (value->IsString()) {
+      return copyString(*Nan::Utf8String(Nan::To<v8::String>(value).ToLocalChecked()));
     }
 
     return NULL;
   }
 
   int getNumber(Local<Object> obj, const char *name) {
     Nan::HandleScope scope;
-    MaybeLocal<Value> value = Nan::Get(obj, Nan::New<String>(name).ToLocalChecked());
+    Nan::MaybeLocal<v8::Value> maybeValue = Nan::Get(obj, Nan::New(name).ToLocalChecked());
+
+    if (maybeValue.IsEmpty()) {
+      return 0;
+    }
 
-    if (!value.IsEmpty() && value.ToLocalChecked()->IsNumber()) {
-      return value.ToLocalChecked()->Int32Value(Nan::GetCurrentContext()).FromJust();
+    v8::Local<v8::Value> value = maybeValue.ToLocalChecked();
+    if (value->IsNumber()) {
+      return Nan::To<int>(value).FromJust();
     }
 
     return 0;
   }
 
   bool getBool(Local<Object> obj, const char *name) {
     Nan::HandleScope scope;
-    MaybeLocal<Value> value = Nan::Get(obj, Nan::New<String>(name).ToLocalChecked());
+    Nan::MaybeLocal<v8::Value> maybeValue = Nan::Get(obj, Nan::New(name).ToLocalChecked());
+
+    if (maybeValue.IsEmpty()) {
+      return false;
+    }
 
-    if (!value.IsEmpty() && value.ToLocalChecked()->IsBoolean()) {
-      return value.ToLocalChecked()->BooleanValue(Nan::GetCurrentContext()).FromJust();
+    v8::Local<v8::Value> value = maybeValue.ToLocalChecked();
+    if (value->IsBoolean()) {
+      return Nan::To<bool>(value).FromJust();
     }
 
     return false;
@@ -189,4 +203,4 @@ class ResultSet : public std::vector<FontDescriptor *> {
   }
 };
 
-#endif
+#endif