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Add prompt for adding a new language to Next.js using next-intl

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Tugdual Grall 2025-07-03 05:03:20 +02:00
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README.md
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@ -6,13 +6,12 @@ Enhance your GitHub Copilot experience with community-contributed instructions,
GitHub Copilot provides three main ways to customize AI responses and tailor assistance to your specific workflows, team guidelines, and project requirements:
| **🔧 Custom Instructions** | **📝 Reusable Prompts** | **🧩 Custom Chat Modes** |
| --- | --- | --- |
| Define common guidelines for tasks like code generation, reviews, and commit messages. Describe *how* tasks should be performed<br><br>**Benefits:**<br>• Automatic inclusion in every chat request<br>• Repository-wide consistency<br>• Multiple implementation options | Create reusable, standalone prompts for specific tasks. Describe *what* should be done with optional task-specific guidelines<br><br>**Benefits:**<br>• Eliminate repetitive prompt writing<br>• Shareable across teams<br>• Support for variables and dependencies | Define chat behavior, available tools, and codebase interaction patterns within specific boundaries for each request<br><br>**Benefits:**<br>• Context-aware assistance<br>• Tool configuration<br>• Role-specific workflows |
| **🔧 Custom Instructions** | **📝 Reusable Prompts** | **🧩 Custom Chat Modes** |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Define common guidelines for tasks like code generation, reviews, and commit messages. Describe _how_ tasks should be performed<br><br>**Benefits:**<br>• Automatic inclusion in every chat request<br>• Repository-wide consistency<br>• Multiple implementation options | Create reusable, standalone prompts for specific tasks. Describe _what_ should be done with optional task-specific guidelines<br><br>**Benefits:**<br>• Eliminate repetitive prompt writing<br>• Shareable across teams<br>• Support for variables and dependencies | Define chat behavior, available tools, and codebase interaction patterns within specific boundaries for each request<br><br>**Benefits:**<br>• Context-aware assistance<br>• Tool configuration<br>• Role-specific workflows |
> **💡 Pro Tip:** Custom instructions only affect Copilot Chat (not inline code completions). You can combine all three customization types - use custom instructions for general guidelines, prompt files for specific tasks, and chat modes to control the interaction context.
## 📝 Contributing
We welcome contributions! Please see our [Contributing Guide](./CONTRIBUTING.md) for details on how to submit new instructions and prompts.
@ -57,6 +56,7 @@ Ready-to-use prompt templates for specific development scenarios and tasks, defi
- [Multi Stage Dockerfile](prompts/multi-stage-dockerfile.prompt.md) - Create optimized multi-stage Dockerfiles for any language or framework
- [My Issues](prompts/my-issues.prompt.md) - List my issues in the current repository
- [My Pull Requests](prompts/my-pull-requests.prompt.md) - List my pull requests in the current repository
- [Next.js i18n with next-intl](prompts/next-intl-add-language.prompt.md) - Add a new language to a Next.js project using [next-intl](https://next-intl.dev/).
> 💡 **Usage**: Use `/prompt-name` in VS Code chat, run `Chat: Run Prompt` command, or hit the run button while you have a prompt open.
@ -104,4 +104,4 @@ This project may contain trademarks or logos for projects, products, or services
trademarks or logos is subject to and must follow
[Microsoft's Trademark & Brand Guidelines](https://www.microsoft.com/en-us/legal/intellectualproperty/trademarks/usage/general).
Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship.
Any use of third-party trademarks or logos are subject to those third-party's policies.
Any use of third-party trademarks or logos are subject to those third-party's policies.

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prompts/next-intl-add-language.prompt.md Normal file
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---
mode: "agent"
description: "Add new language to a NextJS with next-intl application"
---
This is a guide to add a new language to a Next.js project using next-intl for internationalization, following steps from https://next-intl.dev/docs/getting-started/app-router/with-i18n-routing.
- 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`.