Make it Electron 7 compatible (#4)

* chore: make keytar context aware (atom#182)

* chore: update nan to 2.14.0

* chore: bump version to 4.2.1

Co-authored-by: Samuel Attard <samuel.r.attard@gmail.com>

package.json

@@ -2,7 +2,7 @@
   "main": "./lib/keytar.js",
   "name": "keytar4",
   "description": "Bindings to native Mac/Linux/Windows password APIs",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "license": "MIT",
   "repository": {
     "type": "git",
@@ -35,6 +35,6 @@
     "node-gyp": "^3.6.0"
   },
   "dependencies": {
-    "nan": "2.11.1"
+    "nan": "2.14.0"
   }
 }

src/main.cc

@@ -38,13 +38,17 @@ NAN_METHOD(FindPassword) {
   Nan::AsyncQueueWorker(worker);
 }
 
-void Init(v8::Handle<v8::Object> exports) {
-  Nan::SetMethod(exports, "getPassword", GetPassword);
-  Nan::SetMethod(exports, "setPassword", SetPassword);
-  Nan::SetMethod(exports, "deletePassword", DeletePassword);
-  Nan::SetMethod(exports, "findPassword", FindPassword);
+NAN_MODULE_INIT(Init) {
+  Nan::SetMethod(target, "getPassword", GetPassword);
+  Nan::SetMethod(target, "setPassword", SetPassword);
+  Nan::SetMethod(target, "deletePassword", DeletePassword);
+  Nan::SetMethod(target, "findPassword", FindPassword);
 }
 
 }  // namespace
 
+#if NODE_MAJOR_VERSION >= 10
+NAN_MODULE_WORKER_ENABLED(keytar, Init)
+#else
 NODE_MODULE(keytar, Init)
+#endif