Files
react-native/ReactCommon/react/renderer/core/DynamicPropsUtilities.cpp
T
Samuel Susla 51af7cdcde Use nested namespace name
Summary:
changelog: [internal]

Enable two new clang tidy checks:
- modernize-concat-nested-namespaces
- google-build-using-namespace

jest_e2e[run_all_tests]

Reviewed By: rshest

Differential Revision: D40020646

fbshipit-source-id: f3be80b5f829dd0ba376bdd70ed13332e114d48a
2022-10-13 05:07:59 -07:00

34 lines
798 B
C++

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include "DynamicPropsUtilities.h"
namespace facebook::react {
folly::dynamic mergeDynamicProps(
folly::dynamic const &source,
folly::dynamic const &patch) {
auto result = source;
if (!result.isObject()) {
result = folly::dynamic::object();
}
if (!patch.isObject()) {
return result;
}
// Note, here we have to preserve sub-prop objects with `null` value as
// an indication for the legacy mounting layer that it needs to clean them up.
for (auto const &pair : patch.items()) {
result[pair.first] = pair.second;
}
return result;
}
} // namespace facebook::react