mozilla/rhino

Support ES2021 WeakRef & FinalizationRegistry

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#943 建立於 2021年6月23日

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 (2 留言) (0 反應) (0 負責人)JavaScript (3,728 star) (812 fork)batch import
Ecma Incompatibilityfeaturegood first issue

描述

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

貢獻者指南

技術棧
javascriptjava
領域
backendapi
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
4
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
over 1 week
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
Understanding of JavaScript WeakRef and FinalizationRegistryFamiliarity with Rhino's garbage collectionJava development experience
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
15
研究方向
Study the TC39 WeakRef proposal (https://github.com/tc39/proposal weakrefs) and MDN documentation. Review how other JavaScript engines implement these features, especially in Rhino's context. Look at Rhino's source code for existing built in objects and garbage collection mechanisms. Check if there are any prior attempts or related discussions in the issue tracker. Implement WeakRef and FinalizationRegistry classes in Java, integrating with Rhino's engine.