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LibWeb: Make ESO "fetch group" weakly reference the fetch records
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Otherwise we end up holding on to every fetch record indefinitely.

Found by analyzing GC heap graphs on Discord.
This commit is contained in:
Andreas Kling 2025-07-29 21:23:30 +02:00 • committed by Alexander Kalenik
commit 66a19b8550
Notes: github-actions[bot] 2025-07-30 00:01:41 +00:00
6 changed files with 20 additions and 9 deletions
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5
Libraries/LibWeb/HTML/Scripting/Environments.h
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@ -11,6 +11,7 @@
#include <LibJS/Forward.h>
#include <LibURL/Origin.h>
#include <LibURL/URL.h>
#include <LibWeb/Fetch/Infrastructure/FetchRecord.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/EventLoop/EventLoop.h>
#include <LibWeb/HTML/Scripting/ModuleMap.h>
@ -116,7 +117,7 @@ public:
EventLoop& responsible_event_loop();
// https://fetch.spec.whatwg.org/#concept-fetch-group
Vector<GC::Ref<Fetch::Infrastructure::FetchRecord>>& fetch_group() { return m_fetch_group; }
auto& fetch_group() { return m_fetch_group; }
SerializedEnvironmentSettingsObject serialize();
@ -146,7 +147,7 @@ private:
// https://fetch.spec.whatwg.org/#concept-fetch-record
// A fetch group holds an ordered list of fetch records
Vector<GC::Ref<Fetch::Infrastructure::FetchRecord>> m_fetch_group;
Fetch::Infrastructure::FetchRecord::List m_fetch_group;
// https://storage.spec.whatwg.org/#api
// Each environment settings object has an associated StorageManager object.