Over a two-month period, Volodymyr Vovk focused on improving module interoperability and type safety across Babel and Grafana’s k6-DefinitelyTyped repositories. He enhanced ESM compatibility in babel/babel by introducing a named export for the generate function, addressing issues when importing CommonJS modules from ESM Node.js scripts. Volodymyr updated related documentation and examples to ensure consistency for developers adopting ES Modules. In Grafana’s k6-DefinitelyTyped, he extended TypeScript definitions to support the new export pattern, updating tests to align with @babel/generator’s latest version. His work demonstrated depth in JavaScript, TypeScript, and module systems, reducing friction for cross-environment usage.