Worked on enhancing resource management semantics in JavaScript within the nodejs/node repository, focusing on enforcing correct usage of 'using' and 'await using' statements inside switch-case constructs. Addressed a standards compliance issue by disallowing these statements in switch-case labels and cases, aligning Node.js behavior with TC39 recommendations and V8 engine updates. Utilized C++ and JavaScript to implement and test these changes, applying a relevant V8 cherry-pick to maintain engine-level consistency. This work improved the safety and predictability of resource handling in complex control flows, reducing the risk of resource leaks and supporting standard-compliant development practices in Node.js.