During their work on the faker-js/faker repository, Jyl enhanced the Norway locale data by introducing a dedicated file for Norwegian counties and updating administrative divisions to align with current official structures. Using TypeScript and leveraging data management and localization skills, Jyl improved the accuracy of location-based data generation for nb_NO users. The changes addressed gaps in regional coverage and ensured that generated data reflected real-world administrative boundaries. Collaborating with other contributors, Jyl’s work provided more reliable locale support for Norwegian users. While the contribution was focused and limited to one feature, it demonstrated careful attention to data accuracy and maintainability.