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Simplify captured intrinsic calls with uncurryThis

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难度
4/5
预计耗时
3-5 天
新手友好度
48/100
Issue 类型
重构
描述清晰度
基本清楚
活跃度
活跃
技术栈
javascript
领域
security

调研方向

Review the existing intrinsic-capture implementation alongside SES's referenced packages/ses/src/commons.js around line 185. Identify helper and method references that can use receiver-first wrappers, while recording exceptions that should retain direct Reflect.apply. Done means the refactor preserves behavior when guest-visible built-ins are modified and does not change security assumptions.

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描述

The implementation captures intrinsics and repeatedly invokes methods through saved Reflect.apply references. @naugtur suggested using an uncurryThis helper to make this defensive code shorter and easier to review.

Review SES's approach to intrinsic capture and determine where receiver-first wrappers would simplify the existing code without changing its security assumptions. Capture any helper and method references before guest execution; document the exceptions where direct Reflect.apply remains appropriate. Validate that the refactor preserves behavior when guest-visible built-ins are modified.

This is a maintainability proposal, not a claim that the existing captured-Reflect.apply approach is incorrect.

Reference: SES intrinsic capture and uncurryThis.

Based on review feedback from @naugtur, shared in a discussion with the maintainer.

主要语言
JavaScript
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