[OV JS] Support add_extension method (#23848)

### Tickets:
 - 137673

src/bindings/js/node/include/core_wrap.hpp

@@ -68,6 +68,7 @@ public:
     Napi::Value set_property(const Napi::CallbackInfo& info);
     Napi::Value get_property(const Napi::CallbackInfo& info);
 
+    void add_extension(const Napi::CallbackInfo& info);
 protected:
     Napi::Value compile_model_sync(const Napi::CallbackInfo& info,
                                    const Napi::Object& model,

src/bindings/js/node/lib/addon.ts

@@ -53,7 +53,8 @@ interface Core {
   getProperty(
     deviceName: string,
     propertyName: string,
-  ): string | number | boolean,
+  ): string | number | boolean;
+  addExtension(libraryPath: string): void;
 }
 interface CoreConstructor {
   new(): Core;

src/bindings/js/node/src/core_wrap.cpp

@@ -63,7 +63,8 @@ Napi::Function CoreWrap::get_class(Napi::Env env) {
                         InstanceMethod("getAvailableDevices", &CoreWrap::get_available_devices),
                         InstanceMethod("getVersions", &CoreWrap::get_versions),
                         InstanceMethod("setProperty", &CoreWrap::set_property),
-                        InstanceMethod("getProperty", &CoreWrap::get_property)});
+                        InstanceMethod("getProperty", &CoreWrap::get_property),
+                        InstanceMethod("addExtension", &CoreWrap::add_extension)});
 }
 
 Napi::Value CoreWrap::read_model_sync(const Napi::CallbackInfo& info) {
@@ -359,3 +360,15 @@ Napi::Value CoreWrap::get_property(const Napi::CallbackInfo& info) {
 
     return any_to_js(info, value);
 }
+
+void CoreWrap::add_extension(const Napi::CallbackInfo& info) {
+    try {
+        if (!info[0].IsString())
+            OPENVINO_THROW("addExtension method applies one argument of string type");
+
+        std::string library_path = info[0].ToString();
+        _core.add_extension(library_path);
+    } catch (std::runtime_error& err) {
+        reportError(info.Env(), err.what());
+    }
+}

src/bindings/js/node/tests/core.test.js

@@ -8,7 +8,7 @@ const { describe, it } = require('node:test');
 
 const core = new ov.Core();
 
-it('Core.setProperty()', () => {    
+it('Core.setProperty()', () => {
   const tmpDir = '/tmp';
 
   core.setProperty({ 'CACHE_DIR': tmpDir });
@@ -18,7 +18,7 @@ it('Core.setProperty()', () => {
   assert.equal(cacheDir, tmpDir);
 });
 
-it('Core.setProperty(\'CPU\')', () => {    
+it('Core.setProperty(\'CPU\')', () => {
   const tmpDir = '/tmp';
 
   core.setProperty('CPU', { 'CACHE_DIR': tmpDir });
@@ -28,13 +28,13 @@ it('Core.setProperty(\'CPU\')', () => {
   assert.equal(cacheDir, tmpDir);
 });
 
-it('Core.getProperty(\'CPU\', \'SUPPORTED_PROPERTIES\') is Array', () => {    
+it('Core.getProperty(\'CPU\', \'SUPPORTED_PROPERTIES\') is Array', () => {
   const supportedPropertiesArray = core.getProperty('CPU', 'SUPPORTED_PROPERTIES');
 
   assert.ok(Array.isArray(supportedPropertiesArray));
 });
 
-it('Core.setProperty(\'CPU\', { \'NUM_STREAMS\': 5 })', () => {   
+it('Core.setProperty(\'CPU\', { \'NUM_STREAMS\': 5 })', () => {
   const streams = 5;
 
   core.setProperty('CPU', { 'NUM_STREAMS': streams });
@@ -43,7 +43,7 @@ it('Core.setProperty(\'CPU\', { \'NUM_STREAMS\': 5 })', () => {
   assert.equal(result, streams);
 });
 
-it('Core.setProperty(\'CPU\', { \'INFERENCE_NUM_THREADS\': 3 })', () => {   
+it('Core.setProperty(\'CPU\', { \'INFERENCE_NUM_THREADS\': 3 })', () => {
   const threads = 3;
 
   core.setProperty('CPU', { 'INFERENCE_NUM_THREADS': threads });
@@ -51,3 +51,19 @@ it('Core.setProperty(\'CPU\', { \'INFERENCE_NUM_THREADS\': 3 })', () => {
 
   assert.equal(result, threads);
 });
+
+it('Core.addExtension() with empty parameters', () => {
+  assert.throws(
+    () => core.addExtension(),
+    /addExtension method applies one argument of string type/
+  );
+});
+
+it('Core.addExtension(\'not_exists\') with non-existed library', () => {
+  const notExistsExt = 'not_exists';
+
+  assert.throws(
+    () => core.addExtension(notExistsExt),
+    /Cannot load library 'not_exists'/
+  );
+});