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PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
// Copyright 2020 the V8 project 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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// Flags: --allow-natives-syntax --turbofan
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import { getImportMeta } from 'modules-skip-import-meta-export.mjs';
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function foo() {
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return import.meta;
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}
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%PrepareFunctionForOptimization(foo);
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%OptimizeFunctionOnNextCall(foo);
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// Optimize when import.meta hasn't been created yet.
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assertEquals('object', typeof foo());
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assertEquals(import.meta, foo());
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assertOptimized(foo);
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function bar() {
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return import.meta;
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}
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%PrepareFunctionForOptimization(bar);
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// Optimize when import.meta already exists.
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%OptimizeFunctionOnNextCall(bar);
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assertEquals(import.meta, bar());
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assertOptimized(bar);
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%PrepareFunctionForOptimization(getImportMeta);
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%OptimizeFunctionOnNextCall(getImportMeta);
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assertEquals('object', typeof getImportMeta());
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assertOptimized(getImportMeta);
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assertNotEquals(import.meta, getImportMeta());
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assertOptimized(getImportMeta);
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function baz() {
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return getImportMeta();
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}
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// Test inlined (from another module) import.meta accesses.
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%PrepareFunctionForOptimization(baz);
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baz();
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%OptimizeFunctionOnNextCall(baz);
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assertEquals('object', typeof baz());
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assertNotEquals(import.meta, baz());
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assertEquals(baz(), getImportMeta());
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assertOptimized(baz);
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