Internationalization (i18n)

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The starlight-tags plugin integrates with Starlight’s i18n system and provides built-in translations for:

English (en)
French (fr)
Spanish (es)
German (de)

Translated UI Strings

The plugin uses the following translation keys for its UI components:

Key	English Default
`starlightTags.totalTags`	Total Tags
`starlightTags.tagsApplied`	Tags Applied
`starlightTags.tagCloud`	Tag Cloud
`starlightTags.alphabeticalIndex`	Alphabetical Index
`starlightTags.allTags`	All Tags
`starlightTags.page`	page
`starlightTags.pages`	pages
`starlightTags.pageTags`	Tags:
`starlightTags.taggedPrefix`	Tagged:
`starlightTags.relatedTags`	Related Tags
`starlightTags.pagesWithTag`	Pages with this tag
`starlightTags.related`	related
`starlightTags.path`	Path:
`starlightTags.pagination.label`	Pagination
`starlightTags.pagination.page`	Page
`starlightTags.pagination.of`	of
`starlightTags.pagination.previous`	Previous page
`starlightTags.pagination.next`	Next page
`starlightTags.pagination.item`	tagged item
`starlightTags.pagination.items`	tagged items

Customizing Translations

You can override any translation by adding entries to your src/content/i18n/ files. This allows you to customize the labels or add support for additional languages.

Step 1: Set Up i18n Content Collection

If you haven’t already, add the i18n collection to your src/content.config.ts:

import { defineCollection } from 'astro:content';
import { docsLoader, i18nLoader } from '@astrojs/starlight/loaders';
import { docsSchema, i18nSchema } from '@astrojs/starlight/schema';

export const collections = {
  docs: defineCollection({ loader: docsLoader(), schema: docsSchema() }),
  i18n: defineCollection({ loader: i18nLoader(), schema: i18nSchema() }),
};

Step 2: Create Translation Files

Create JSON files in src/content/i18n/ for each language you want to customize:

{
  "starlightTags.totalTags": "Topics",
  "starlightTags.tagsApplied": "Total References"
}

{
  "starlightTags.totalTags": "Catégories",
  "starlightTags.tagsApplied": "Références totales"
}

Adding New Languages

To add a language not included in the plugin’s built-in translations, create a translation file with all the keys:

{
  "starlightTags.totalTags": "タグ総数",
  "starlightTags.tagsApplied": "適用されたタグ",
  "starlightTags.tagCloud": "タグクラウド",
  "starlightTags.alphabeticalIndex": "アルファベット順索引",
  "starlightTags.allTags": "すべてのタグ",
  "starlightTags.page": "ページ",
  "starlightTags.pages": "ページ",
  "starlightTags.pageTags": "タグ：",
  "starlightTags.taggedPrefix": "タグ付き：",
  "starlightTags.relatedTags": "関連タグ",
  "starlightTags.pagesWithTag": "このタグのページ",
  "starlightTags.related": "関連",
  "starlightTags.path": "パス：",
  "starlightTags.pagination.label": "ページネーション",
  "starlightTags.pagination.page": "ページ",
  "starlightTags.pagination.of": "/",
  "starlightTags.pagination.previous": "前のページ",
  "starlightTags.pagination.next": "次のページ",
  "starlightTags.pagination.item": "タグ付きアイテム",
  "starlightTags.pagination.items": "タグ付きアイテム"
}

How It Works

The plugin automatically detects the current locale from Starlight’s routing and displays the appropriate translations. When a translation key is not found for a locale, it falls back to the English default.

Locale-Aware URLs

All tag-related URLs are automatically localized:

Default locale: /tags/authentication/
French: /fr/tags/authentication/
German: /de/tags/authentication/

This works seamlessly with Starlight’s defaultLocale: 'root' configuration, where the default language has no URL prefix.