fix(build): use GetCreationContextChecked for node >= 18

Author: dbousque

.travis.yml

@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+  - "20"
   - "11"
   - "8"
 env:

package.json

@@ -1,6 +1,6 @@
 {
   "name": "posix-semaphore",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Blocking POSIX semaphores for Node.js",
   "repository": "https://github.com/dbousque/posix-semaphore",
   "license": "MIT",
@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "child_process": "^1.0.2",
-    "shm-typed-array": "^0.0.10"
+    "shm-typed-array": "^0.1.0"
   },
   "dependencies": {
     "bindings": "~1.2.1",

srcs/semaphore.cc

@@ -27,7 +27,12 @@ Semaphore::~Semaphore()
 
 void Semaphore::Init(v8::Local<v8::Object> exports)
 {
+#if NODE_MAJOR_VERSION >= 18
+  v8::Local<v8::Context> context = exports->GetCreationContextChecked();
+#else
   v8::Local<v8::Context> context = exports->CreationContext();
+#endif
+
   Nan::HandleScope scope;
 
   // Prepare constructor template