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next-intl-add-language

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by github · part of github/awesome-copilot

Add new language to a Next.js + next-intl application

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🧩 One of 7 skills in the github/awesome-copilot package — works on its own, and pairs well with its siblings.

This is the playbook your agent receives when the skill activates — you don't need to read it to use the skill, but it's here to audit before installing.

This is a guide to add a new language to a Next.js project using next-intl for internationalization,

  • For i18n, the application uses next-intl.
  • All translations are in the directory ./messages.
  • The UI component is src/components/language-toggle.tsx.
  • Routing and middleware configuration are handled in:
    • src/i18n/routing.ts
    • src/middleware.ts

When adding a new language:

  • Translate all the content of en.json to the new language. The goal is to have all the JSON entries in the new language for a complete translation.
  • Add the path in routing.ts and middleware.ts.
  • Add the language to language-toggle.tsx.