Over a two-month period, this developer focused on enhancing component reliability and user experience across Tencent’s tdesign-react and tdesign-vue repositories. They implemented a beforeChange API for the Switch component in both React and Vue, enabling asynchronous validation before state changes and ensuring cross-framework consistency. Using JavaScript, TypeScript, and Vue, they designed APIs that support both synchronous and asynchronous validation, allowing for scalable, API-driven checks prior to toggling states. Additionally, they addressed a rendering bug in the NotificationPlugin for tdesign-react, ensuring notifications attach to the correct DOM element, which improved UI stability and integration reliability for front-end applications.