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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
27 lines
1.0 KiB
JavaScript
27 lines
1.0 KiB
JavaScript
// Copyright 2016 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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// https://github.com/tc39/proposal-regexp-legacy-features#additional-properties-of-the-regexp-constructor
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const props = [ "input", "$_"
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, "lastMatch", "$&"
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, "lastParen", "$+"
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, "leftContext", "$`"
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, "rightContext", "$'"
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, "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9"
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];
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for (let i = 0; i < props.length; i++) {
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const prop = props[i];
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const desc = Object.getOwnPropertyDescriptor(RegExp, prop);
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assertTrue(desc.configurable, prop);
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assertFalse(desc.enumerable, prop);
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assertTrue(desc.get !== undefined, prop);
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// TODO(jgruber): Although the spec proposal specifies setting setters to
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// undefined, we are not sure that this change would be web-compatible, and
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// we are intentionally sticking with the old behavior for now.
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assertTrue(desc.set !== undefined, prop);
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}
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