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fix: call explicitly unregister
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tsctx committed Dec 21, 2023
1 parent c5c6648 commit 1dfa6c3
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Showing 2 changed files with 13 additions and 1 deletion.
2 changes: 2 additions & 0 deletions lib/compat/dispatcher-weakref.js
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,8 @@ class CompatFinalizer {
})
}
}

unregister (key) {}
}

module.exports = function () {
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12 changes: 11 additions & 1 deletion lib/fetch/request.js
Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,12 @@ const { getMaxListeners, setMaxListeners, getEventListeners, defaultMaxListeners
const kAbortController = Symbol('abortController')

const requestFinalizer = new FinalizationRegistry(({ signal, abort }) => {
// Currently FinalizationRegistry has a problem and will explicitly call unregister.
// https://github.com/nodejs/node/issues/49344
// https://github.com/nodejs/node/issues/47748
// It will be removed in the future.
// Note: The unregister key is abort.
requestFinalizer.unregister(abort)
signal.removeEventListener('abort', abort)
})

Expand Down Expand Up @@ -388,7 +394,11 @@ class Request {
} catch {}

util.addAbortListener(signal, abort)
requestFinalizer.register(ac, { signal, abort })
// The third argument must be a registry key to be unregistered.
// Without it, you cannot unregister.
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/FinalizationRegistry
// abort is used as the unregister key. ( Because it is unique. )
requestFinalizer.register(ac, { signal, abort }, abort)
}
}

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