Worked on the angular/angular repository to address a nuanced issue in Angular migration tooling, focusing on front end development with TypeScript. Delivered a targeted bug fix that prevents a trailing comma from remaining in component imports after the removal of NgClass, a scenario that previously led to syntax errors and required manual code cleanup. The solution involved careful code refactoring and edge-case handling within migration scripts, ensuring that migrated code remains syntactically correct and reliable. This work improved the stability and quality of migration tooling, streamlining the upgrade process for developers and reducing the risk of errors in Angular component code.