napi: adding napi_run_script support for chakracore

src/node_api_jsrt.cc

@@ -2528,6 +2528,32 @@ napi_status napi_adjust_external_memory(napi_env env,
   return napi_ok;
 }
 
+JsValueRef runScriptSourceUrl = JS_INVALID_REFERENCE;
+
+napi_status napi_run_script(napi_env env,
+                            napi_value script,
+                            napi_value* result) {
+  CHECK_ARG(script);
+  CHECK_ARG(result);
+  JsValueRef scriptVar = reinterpret_cast<JsValueRef>(script);
+
+  if (runScriptSourceUrl == JS_INVALID_REFERENCE) {
+    const char * napiScriptString = "NAPI run script";
+    CHECK_JSRT(JsCreateString(napiScriptString,
+                   strlen(napiScriptString),
+                   &runScriptSourceUrl));
+  }
+
+  CHECK_JSRT_EXPECTED(JsRun(scriptVar,
+                            JS_SOURCE_CONTEXT_NONE,
+                            runScriptSourceUrl,
+                            JsParseScriptAttributeNone,
+                            reinterpret_cast<JsValueRef*>(result)),
+                      napi_string_expected);
+
+  return napi_ok;
+}
+
 namespace uvimpl {
 
 napi_status ConvertUVErrorCode(int code) {