C++ (Cpp) napi_set_property Examples

Example #1

File: test_object.c Project: BazisSoft/node-delphi

napi_value Inflate(napi_env env, napi_callback_info info) {
  size_t argc = 1;
  napi_value args[1];
  NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));

  NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");

  napi_valuetype valuetype0;
  NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));

  NAPI_ASSERT(env, valuetype0 == napi_object,
    "Wrong type of arguments. Expects an object as first argument.");

  napi_value obj = args[0];
  napi_value propertynames;
  NAPI_CALL(env, napi_get_property_names(env, obj, &propertynames));

  uint32_t i, length;
  NAPI_CALL(env, napi_get_array_length(env, propertynames, &length));

  for (i = 0; i < length; i++) {
    napi_value property_str;
    NAPI_CALL(env, napi_get_element(env, propertynames, i, &property_str));

    napi_value value;
    NAPI_CALL(env, napi_get_property(env, obj, property_str, &value));

    double double_val;
    NAPI_CALL(env, napi_get_value_double(env, value, &double_val));
    NAPI_CALL(env, napi_create_double(env, double_val + 1, &value));
    NAPI_CALL(env, napi_set_property(env, obj, property_str, value));
  }

  return obj;
}

Example #2

File: test_object.c Project: BazisSoft/node-delphi

napi_value Set(napi_env env, napi_callback_info info) {
  size_t argc = 3;
  napi_value args[3];
  NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));

  NAPI_ASSERT(env, argc >= 3, "Wrong number of arguments");

  napi_valuetype valuetype0;
  NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));

  NAPI_ASSERT(env, valuetype0 == napi_object,
    "Wrong type of arguments. Expects an object as first argument.");

  napi_valuetype valuetype1;
  NAPI_CALL(env, napi_typeof(env, args[1], &valuetype1));

  NAPI_ASSERT(env, valuetype1 == napi_string || valuetype1 == napi_symbol,
    "Wrong type of arguments. Expects a string or symbol as second.");

  NAPI_CALL(env, napi_set_property(env, args[0], args[1], args[2]));

  napi_value valuetrue;
  NAPI_CALL(env, napi_get_boolean(env, true, &valuetrue));

  return valuetrue;
}

Example #3

File: node_api_property.c Project: Samsung/iotjs

napi_status napi_set_named_property(napi_env env, napi_value object,
                                    const char* utf8Name, napi_value value) {
  NAPI_TRY_ENV(env);
  jerry_value_t jval_object = AS_JERRY_VALUE(object);
  NAPI_TRY_TYPE(object, jval_object);

  jerry_value_t jval_key =
      jerry_create_string_from_utf8((jerry_char_t*)utf8Name);
  napi_status status =
      napi_set_property(env, object, AS_NAPI_VALUE(jval_key), value);
  jerry_release_value(jval_key);
  return status;
}