1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "async_work.h"
17 #include "utils_log.h"
18
19 namespace OHOS {
20 namespace FileManagement {
21 namespace LibN {
22
GetPromiseOrCallBackWork(napi_env env,const NFuncArg & funcArg,size_t maxArgSize)23 std::unique_ptr<NAsyncWork> GetPromiseOrCallBackWork(napi_env env, const NFuncArg &funcArg, size_t maxArgSize)
24 {
25 std::unique_ptr<NAsyncWork> asyncWork = nullptr;
26 NVal thisVar(env, funcArg.GetThisVar());
27 if (funcArg.GetArgc() != maxArgSize) {
28 asyncWork = std::make_unique<NAsyncWorkPromise>(env, thisVar);
29 } else {
30 NVal cb(env, funcArg[(int)maxArgSize - 1]);
31 if (cb.TypeIs(napi_function)) {
32 asyncWork = std::make_unique<NAsyncWorkCallback>(env, thisVar, cb);
33 } else {
34 LOGE("Argument type mismatch");
35 NError(E_PARAMS).ThrowErr(env);
36 }
37 }
38 return asyncWork;
39 }
40 } // namespace LibN
41 } // namespace FileManagement
42 } // namespace OHOS