mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Kevin Gozali
3809f2795a
Summary: There is a race condition between tearing down the bridge vs CallbackWrapper invoking the wrapped jsi::Function. This means the wrapper can be stale and unsafe to access after the bridge dies. To avoid unsafe access, let's clean it up properly using weak ref. Reviewed By: RSNara Differential Revision: D17380360 fbshipit-source-id: f91ce75d945bf8ed0b141c593bcc674ff465aa8c
81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "TurboModuleBinding.h"
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#include <string>
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#include <ReactCommon/LongLivedObject.h>
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#include <cxxreact/SystraceSection.h>
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using namespace facebook;
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namespace facebook {
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namespace react {
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/**
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* Public API to install the TurboModule system.
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*/
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TurboModuleBinding::TurboModuleBinding(
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const TurboModuleProviderFunctionType &moduleProvider)
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: moduleProvider_(moduleProvider) {}
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void TurboModuleBinding::install(
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jsi::Runtime &runtime,
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std::shared_ptr<TurboModuleBinding> binding) {
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runtime.global().setProperty(
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runtime,
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"__turboModuleProxy",
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jsi::Function::createFromHostFunction(
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runtime,
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jsi::PropNameID::forAscii(runtime, "__turboModuleProxy"),
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1,
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[binding](
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jsi::Runtime &rt,
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const jsi::Value &thisVal,
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const jsi::Value *args,
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size_t count) {
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return binding->jsProxy(rt, thisVal, args, count);
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}));
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}
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void TurboModuleBinding::invalidate() const {
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LongLivedObjectCollection::get().clear();
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}
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std::shared_ptr<TurboModule> TurboModuleBinding::getModule(
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const std::string &name) {
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std::shared_ptr<TurboModule> module = nullptr;
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{
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SystraceSection s("TurboModuleBinding::getModule", "module", name);
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module = moduleProvider_(name);
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}
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return module;
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}
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jsi::Value TurboModuleBinding::jsProxy(
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jsi::Runtime &runtime,
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const jsi::Value &thisVal,
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const jsi::Value *args,
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size_t count) {
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if (count != 1) {
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throw std::invalid_argument(
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"TurboModuleBinding::jsProxy arg count must be 1");
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}
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std::string moduleName = args[0].getString(runtime).utf8(runtime);
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std::shared_ptr<TurboModule> module = getModule(moduleName);
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if (module == nullptr) {
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return jsi::Value::null();
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}
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return jsi::Object::createFromHostObject(runtime, std::move(module));
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}
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} // namespace react
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} // namespace facebook
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