Pin target node version to be built against.

build.js

@@ -11,6 +11,12 @@ async function main() {
     // reuse existing .node-gyp files
     gyp.devDir = `${os.homedir()}/.node-gyp`;
     gyp.parseArgv(process.argv);
+
+    // Override default target version.
+    if (!gyp.opts.target) {
+        gyp.opts.target = 'v10.16.0';
+    }
+
     for (const { name, args } of gyp.todo) {
         await promisify(gyp.commands[name])(args);
         if (name == "build") {

package.json

@@ -32,7 +32,7 @@
         "build": "node build build"
     },
     "dependencies": {
-        "@types/node": ">= 8.0.0"
+        "@types/node": "*"
     },
     "devDependencies": {
         "node-gyp": "^5.0.3"

src/napi/core.hh

@@ -6,6 +6,7 @@
 #include <string_view>
 #include <vector>
 
+#define NAPI_VERSION 4
 #include <node_api.h>
 
 using namespace std::string_literals;