Add support for Node 12 (#81)

We aren't using Node 12 from AppVeyor as it is not supported yet, appveyor/ci#2921

.travis.yml

@@ -19,6 +19,8 @@ env:
   - TRAVIS_NODE_VERSION="6" ARCH="x86"
   - BINARY_BUILDER="true" TRAVIS_NODE_VERSION="8"
   - BINARY_BUILDER="true" TRAVIS_NODE_VERSION="8" ARCH="x86"
+  - BINARY_BUILDER="true" TRAVIS_NODE_VERSION="10"
+  - BINARY_BUILDER="true" TRAVIS_NODE_VERSION="12"
 matrix:
   exclude:
   - os: osx
@@ -54,10 +56,6 @@ before_install:
   fi;
 - $CXX --version
 
-# Cleanup the output of npm
-- npm config set progress false
-- npm config set spin false
-
 # print versions
 - uname -a
 - which node; file `which node`
@@ -74,7 +72,7 @@ before_install:
 
 install:
 # ensure source install works
-- npm install --build-from-source
+- npm install --build-from-source --no-progress
 
 script:
 - npm run lint

appveyor.yml

@@ -8,6 +8,8 @@ environment:
   - nodejs_version: "6"
   - binary_builder: "true"
     nodejs_version: "8"
+  - binary_builder: "true"
+    nodejs_version: "10"
 
 platform:
   - x86

package.json

@@ -45,7 +45,7 @@
   "dependencies": {
     "bindings": "^1.3.0",
     "eventemitter2": "^5.0.1",
-    "nan": "^2.10.0",
+    "nan": "^2.13.2",
     "prebuild-install": "^5.1.0"
   },
   "devDependencies": {

src/detection.cpp

@@ -119,8 +119,8 @@ void Find(const Nan::FunctionCallbackInfo<v8::Value>& args) {
 
 	if (args.Length() == 3) {
 		if (args[0]->IsNumber() && args[1]->IsNumber()) {
-			vid = (int) args[0]->NumberValue();
-			pid = (int) args[1]->NumberValue();
+			vid = (int) Nan::To<int>(args[0]).FromJust();
+			pid = (int) Nan::To<int>(args[1]).FromJust();
 		}
 
 		// callback
@@ -133,7 +133,7 @@ void Find(const Nan::FunctionCallbackInfo<v8::Value>& args) {
 
 	if (args.Length() == 2) {
 		if (args[0]->IsNumber()) {
-			vid = (int) args[0]->NumberValue();
+			vid = (int) Nan::To<int>(args[0]).FromJust();
 		}
 
 		// callback
@@ -210,7 +210,7 @@ void StopMonitoring(const Nan::FunctionCallbackInfo<v8::Value>& args) {
 }
 
 extern "C" {
-	void init (v8::Handle<v8::Object> target) {
+	void init (v8::Local<v8::Object> target) {
 		Nan::SetMethod(target, "find", Find);
 		Nan::SetMethod(target, "registerAdded", RegisterAdded);
 		Nan::SetMethod(target, "registerRemoved", RegisterRemoved);