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8679932607
Add a simple `WeakReference` utility that we can use until the language provides something on its own. PR-URL: https://github.com/nodejs/node/pull/25993 Fixes: https://github.com/nodejs/node/issues/23862 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com> Reviewed-By: Vladimir de Turckheim <vlad2t@hotmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Refael Ackermann <refack@gmail.com>
18 lines
427 B
JavaScript
18 lines
427 B
JavaScript
// Flags: --expose-internals --expose-gc
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'use strict';
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require('../common');
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const assert = require('assert');
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const { internalBinding } = require('internal/test/binding');
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const { WeakReference } = internalBinding('util');
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let obj = { hello: 'world' };
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const ref = new WeakReference(obj);
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assert.strictEqual(ref.get(), obj);
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setImmediate(() => {
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obj = null;
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global.gc();
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assert.strictEqual(ref.get(), undefined);
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});
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