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fix: out-of-scope Local handle in node::CallbackScope (#43639)

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refactor: use an EscapableHandleScope

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Charles Kerr <charles@charleskerr.com>
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trop[bot] 2024-09-09 18:27:39 -05:00 committed by GitHub
parent 88c70ceee2
commit f74c353abf
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1 changed files with 11 additions and 13 deletions
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24
shell/common/gin_helper/event_emitter_caller.cc
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@ -13,15 +13,14 @@ v8::Local<v8::Value> CallMethodWithArgs(v8::Isolate* isolate,
v8::Local<v8::Object> obj,
const char* method,
ValueVector* args) {
// An active node::Environment is required for node::MakeCallback.
std::unique_ptr<node::CallbackScope> callback_scope;
if (node::Environment::GetCurrent(isolate)) {
v8::HandleScope handle_scope(isolate);
callback_scope = std::make_unique<node::CallbackScope>(
isolate, v8::Object::New(isolate), node::async_context{0, 0});
} else {
return v8::Boolean::New(isolate, false);
}
v8::EscapableHandleScope handle_scope{isolate};
// CallbackScope and MakeCallback both require an active node::Environment
if (!node::Environment::GetCurrent(isolate))
return handle_scope.Escape(v8::Boolean::New(isolate, false));
node::CallbackScope callback_scope{isolate, v8::Object::New(isolate),
node::async_context{0, 0}};
// Perform microtask checkpoint after running JavaScript.
gin_helper::MicrotasksScope microtasks_scope{
@ -36,11 +35,10 @@ v8::Local<v8::Value> CallMethodWithArgs(v8::Isolate* isolate,
// of MakeCallback will be empty and therefore ToLocal will be false, in this
// case we need to return "false" as that indicates that the event emitter did
// not handle the event
v8::Local<v8::Value> localRet;
if (ret.ToLocal(&localRet))
return localRet;
if (v8::Local<v8::Value> localRet; ret.ToLocal(&localRet))
return handle_scope.Escape(localRet);
return v8::Boolean::New(isolate, false);
return handle_scope.Escape(v8::Boolean::New(isolate, false));
}
} // namespace gin_helper::internal