Fix usage of `FinalizationRegistry` in js-double-drop

cloudpeers / ffi-gen

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Fix usage of `FinalizationRegistry` in js-double-drop #63

Closed wngr closed 2 years ago

wngr commented 2 years ago

The third optional parameter of the FinalizationRegistry is a token to be used for unregistering the object. If omitted, the object can't be unregistered [0].

[0]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/FinalizationRegistry/register