Type-Safe Internationalization in Gleam
a day ago
- #type-safety
- #Gleam
- #i18n
- The author discusses adding type-safe internationalization (i18n) to a Gleam project, leveraging the language's type safety and pattern matching to avoid common pitfalls like missing translation keys or incorrect parameters.
- The implementation uses Gleam's type system to define languages (English, Swedish) and translation keys as variants, ensuring compile-time checks for missing translations and proper parameter usage, with support for rich content like bold text and hyperlinks via custom types.
- The approach involves functions like `label` for simple text and `elements` for rich content, translating keys into strings or Lustre elements, and emphasizes the benefits of compile-time guarantees over traditional string-based i18n methods in JavaScript or similar languages.