mozilla/rhino

Support ES2021 WeakRef & FinalizationRegistry

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#943 opened on 2021年6月23日

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Ecma Incompatibilityfeaturegood first issue

説明

WeakRef, for referring to a target object without preserving it from garbage collection FinalizationRegistry, to manage registration and unregistration of cleanup operations performed when target objects are garbage collected

Proposal: https://github.com/tc39/proposal-weakrefs MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakRef

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