The Next.js Internationalization Handbook skill guides developers through structuring production-grade internationalization in Next.js App Router applications without imposing vendor lock-in. It provides structured architectural advice on locale routing patterns (subpaths vs. subdomains), modular message catalogs, right-to-left (RTL) styling rules, and native Intl date and currency formatting. This skill is ideal when scaffolding multi-language applications, configuring locale-detection middleware, resolving locale-flash issues, and structuring scalable translation dictionaries.
主要功能
01Organizes modular message catalogs and dictionary file layouts to prevent monolithic translation files
02Provides RTL layout checklists for bidirectional CSS properties, layout wrappers, and mirrored spacing
03Guides date, time, and number formatting using native JavaScript Intl APIs
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05Evaluates locale routing patterns comparing dynamic segment paths against subdomain configurations
06Troubleshoots common App Router issues including middleware 404 errors and client-side locale flashing
使用场景
01Configuring dynamic [locale] App Router paths and middleware for automated language detection
02Structuring modular, namespaced translation dictionaries for large-scale multilingual web apps
03Auditing web applications for comprehensive right-to-left (RTL) layout compatibility and localized formatting