How to write type-safe CSS Modules

TypeScript enhances code reliability by reducing bugs, such as typos, and facilitating refactoring, which contributes to improved uptime and developer satisfaction. CSS Modules extend this reliability to CSS by providing a way to write modular and scoped styles, eliminating global class name conflicts and simplifying style management in modern web applications. Despite CSS Modules’ advantages, they pose challenges in maintaining type safety because class names are generated at runtime, requiring manual updates to TypeScript definition files when changes occur. To address this, automation using tools like the open-source package typed-css-modules can be employed, allowing for automatic generation and synchronization of CSS Module type definitions, thereby preventing errors and maintaining trust in the type system. Additionally, scripts can be integrated into development workflows or CI pipelines to ensure up-to-date type definitions, further streamlining the process and enabling developers to focus on building robust applications without manual overhead.