In this blog post, we explore TypeScript enums, delving into their functionality, use cases, and alternatives. Enumerating members and exhaustiveness checks are discussed, showcasing the benefits of enums for defining fixed sets of values. The post also highlights the limitations of enums, such as only allowing numbers and strings as member values. Surprisingly, alternatives like object literals, union of string literal types, and symbol usage are suggested for specific use cases. The post concludes by recommending object literals for namespaces with object values and union of string literal types for defining types with unique members.
https://2ality.com/2025/01/typescript-enum-patterns.html