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30c38af903
Per the spec in modules.md the exports property should default to an empty object. We lazy allocate it so that modules that just replace it don't create the empty object and then throw it away. R=abarth@chromium.org Review URL: https://codereview.chromium.org/872043003
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "sky/engine/config.h"
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#include "sky/engine/core/app/AbstractModule.h"
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#include "sky/engine/core/app/Module.h"
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namespace blink {
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AbstractModule::AbstractModule(ExecutionContext* context,
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PassRefPtr<Document> document,
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const String& url)
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: ContextLifecycleObserver(context),
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document_(document),
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url_(url) {
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document_->setModule(this);
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}
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AbstractModule::~AbstractModule() {
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document_->setModule(nullptr);
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}
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ExecutionContext* AbstractModule::executionContext() const {
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return ContextLifecycleObserver::executionContext();
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}
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ScriptPromise AbstractModule::import(ScriptState* script_state,
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const String& url_string) {
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KURL url = document()->completeURL(url_string);
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RefPtr<ScriptPromiseResolver> resolver =
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ScriptPromiseResolver::create(script_state);
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OwnPtr<ModuleLoader> loader =
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adoptPtr(new ModuleLoader(this, GetApplication(), url));
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loaders_.set(loader.release(), resolver);
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return resolver->promise();
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}
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void AbstractModule::OnModuleLoadComplete(ModuleLoader* loader,
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Module* module) {
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RefPtr<ScriptPromiseResolver> resolver = loaders_.take(loader);
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ScriptState::Scope scope(resolver->scriptState());
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resolver->resolve(module->exports(resolver->scriptState()).v8Value());
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}
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} // namespace blink
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