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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_MODULESCRIPT_MODULE_SCRIPT_LOADER_REGISTRY_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_MODULESCRIPT_MODULE_SCRIPT_LOADER_REGISTRY_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/hash_set.h"

namespace blink {

class ModuleScriptLoader;

// ModuleScriptLoaderRegistry keeps active ModuleLoaders alive.
class CORE_EXPORT ModuleScriptLoaderRegistry final
    : public GarbageCollected<ModuleScriptLoaderRegistry> {
 public:
  ModuleScriptLoaderRegistry() = default;

  void Trace(Visitor*);

 private:
  friend class ModuleScriptLoader;
  void AddLoader(ModuleScriptLoader*);
  void ReleaseFinishedLoader(ModuleScriptLoader*);

  HeapHashSet<Member<ModuleScriptLoader>> active_loaders_;
};

}  // namespace blink

#endif