electron/shell/renderer/api/context_bridge/object_cache.cc
Charles Kerr 2d868ecb8d
perf: use v8::Local<v8::Object> as the key in ObjectCache (#43519)
* perf: use v8::Object* as direct keys instead of using hash + a linked list

* refactor: use v8::Local<v8::Object> as the key
2024-09-04 22:53:06 -05:00

33 lines
1 KiB
C++

// Copyright (c) 2020 Slack Technologies, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/renderer/api/context_bridge/object_cache.h"
#include "v8/include/v8-local-handle.h"
#include "v8/include/v8-object.h"
namespace electron::api::context_bridge {
ObjectCache::ObjectCache() = default;
ObjectCache::~ObjectCache() = default;
void ObjectCache::CacheProxiedObject(const v8::Local<v8::Value> from,
v8::Local<v8::Value> proxy_value) {
if (from->IsObject() && !from->IsNullOrUndefined())
proxy_map_.insert_or_assign(from.As<v8::Object>(), proxy_value);
}
v8::MaybeLocal<v8::Value> ObjectCache::GetCachedProxiedObject(
const v8::Local<v8::Value> from) const {
if (!from->IsObject() || from->IsNullOrUndefined())
return {};
const auto iter = proxy_map_.find(from.As<v8::Object>());
if (iter == proxy_map_.end() || iter->second.IsEmpty())
return {};
return iter->second;
}
} // namespace electron::api::context_bridge