[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M71C4Q2QEDXAWBKYP6BA29XS":3,"skill-same:01M71C4Q2QEDXAWBKYP6BA29XS":64},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":18,"publishedAt":31,"linkOnly":32,"markdownContent":33,"markdownBody":34,"frontMatter":35,"refName":37,"commitSha":38,"skillDirectory":39,"forksCount":14,"repositoryHtmlUrl":40,"repositoryHomepageUrl":6,"ownerHtmlUrl":41,"ownerBlogUrl":6,"ownerDescription":42,"updatedAt":43,"install":44,"resources":57},"01M71C4Q2QEDXAWBKYP6BA29XS","i18n-localization",null,"Internationalization and localization patterns. Detecting hardcoded strings, managing translations, locale files, RTL support.","yqecea\u002Fgem-swarm","yqecea","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F196189405?v=4","01M71C12KWH5QPTE12J69335KF","Yusuf","01M71C12MFS3BRGNE5SSHB4DY9",1,"Apache-2.0","https:\u002F\u002Fgithub.com\u002Fyqecea\u002Fgem-swarm\u002Fblob\u002Fmain\u002Fsrc\u002Fskills\u002Fdomain\u002Fi18n-localization\u002FSKILL.md",[],[19,20,21,22,23,24,25,26,27,28,29,30],"i18n localization","i18n","localization","detecting","strings","files","support","internationalization","read","grep","patterns","locale","2026-11-10 10:12:30",false,"---\nname: i18n-localization\ndescription: Internationalization and localization patterns. Detecting hardcoded strings, managing translations, locale files, RTL support.\nallowed-tools: Read, Glob, Grep\n---\n\n# i18n & Localization\n\n> Internationalization (i18n) and Localization (L10n) best practices.\n\n---\n\n## 1. Core Concepts\n\n| Term | Meaning |\n|------|---------|\n| **i18n** | Internationalization - making app translatable |\n| **L10n** | Localization - actual translations |\n| **Locale** | Language + Region (en-US, tr-TR) |\n| **RTL** | Right-to-left languages (Arabic, Hebrew) |\n\n---\n\n## 2. When to Use i18n\n\n| Project Type | i18n Needed? |\n|--------------|--------------|\n| Public web app | ✅ Yes |\n| SaaS product | ✅ Yes |\n| Internal tool | ⚠️ Maybe |\n| Single-region app | ⚠️ Consider future |\n| Personal project | ❌ Optional |\n\n---\n\n## 3. Implementation Patterns\n\n### React (react-i18next)\n\n```tsx\nimport { useTranslation } from 'react-i18next';\n\nfunction Welcome() {\n  const { t } = useTranslation();\n  return \u003Ch1>{t('welcome.title')}\u003C\u002Fh1>;\n}\n```\n\n### Next.js (next-intl)\n\n```tsx\nimport { useTranslations } from 'next-intl';\n\nexport default function Page() {\n  const t = useTranslations('Home');\n  return \u003Ch1>{t('title')}\u003C\u002Fh1>;\n}\n```\n\n### Python (gettext)\n\n```python\nfrom gettext import gettext as _\n\nprint(_(\"Welcome to our app\"))\n```\n\n---\n\n## 4. File Structure\n\n```\nlocales\u002F\n├── en\u002F\n│   ├── common.json\n│   ├── auth.json\n│   └── errors.json\n├── tr\u002F\n│   ├── common.json\n│   ├── auth.json\n│   └── errors.json\n└── ar\u002F          # RTL\n    └── ...\n```\n\n---\n\n## 5. Best Practices\n\n### DO ✅\n\n- Use translation keys, not raw text\n- Namespace translations by feature\n- Support pluralization\n- Handle date\u002Fnumber formats per locale\n- Plan for RTL from the start\n- Use ICU message format for complex strings\n\n### DON'T ❌\n\n- Hardcode strings in components\n- Concatenate translated strings\n- Assume text length (German is 30% longer)\n- Forget about RTL layout\n- Mix languages in same file\n\n---\n\n## 6. Common Issues\n\n| Issue | Solution |\n|-------|----------|\n| Missing translation | Fallback to default language |\n| Hardcoded strings | Use linter\u002Fchecker script |\n| Date format | Use Intl.DateTimeFormat |\n| Number format | Use Intl.NumberFormat |\n| Pluralization | Use ICU message format |\n\n---\n\n## 7. RTL Support\n\n```css\n\u002F* CSS Logical Properties *\u002F\n.container {\n  margin-inline-start: 1rem;  \u002F* Not margin-left *\u002F\n  padding-inline-end: 1rem;   \u002F* Not padding-right *\u002F\n}\n\n[dir=\"rtl\"] .icon {\n  transform: scaleX(-1);\n}\n```\n\n---\n\n## 8. Checklist\n\nBefore shipping:\n\n- [ ] All user-facing strings use translation keys\n- [ ] Locale files exist for all supported languages\n- [ ] Date\u002Fnumber formatting uses Intl API\n- [ ] RTL layout tested (if applicable)\n- [ ] Fallback language configured\n- [ ] No hardcoded strings in components\n\n---\n\n## Script\n\n| Script | Purpose | Command |\n|--------|---------|---------|\n| `scripts\u002Fi18n_checker.py` | Detect hardcoded strings & missing translations | `python scripts\u002Fi18n_checker.py \u003Cproject_path>` |\n","# i18n & Localization\n\n> Internationalization (i18n) and Localization (L10n) best practices.\n\n---\n\n## 1. Core Concepts\n\n| Term | Meaning |\n|------|---------|\n| **i18n** | Internationalization - making app translatable |\n| **L10n** | Localization - actual translations |\n| **Locale** | Language + Region (en-US, tr-TR) |\n| **RTL** | Right-to-left languages (Arabic, Hebrew) |\n\n---\n\n## 2. When to Use i18n\n\n| Project Type | i18n Needed? |\n|--------------|--------------|\n| Public web app | ✅ Yes |\n| SaaS product | ✅ Yes |\n| Internal tool | ⚠️ Maybe |\n| Single-region app | ⚠️ Consider future |\n| Personal project | ❌ Optional |\n\n---\n\n## 3. Implementation Patterns\n\n### React (react-i18next)\n\n```tsx\nimport { useTranslation } from 'react-i18next';\n\nfunction Welcome() {\n  const { t } = useTranslation();\n  return \u003Ch1>{t('welcome.title')}\u003C\u002Fh1>;\n}\n```\n\n### Next.js (next-intl)\n\n```tsx\nimport { useTranslations } from 'next-intl';\n\nexport default function Page() {\n  const t = useTranslations('Home');\n  return \u003Ch1>{t('title')}\u003C\u002Fh1>;\n}\n```\n\n### Python (gettext)\n\n```python\nfrom gettext import gettext as _\n\nprint(_(\"Welcome to our app\"))\n```\n\n---\n\n## 4. File Structure\n\n```\nlocales\u002F\n├── en\u002F\n│   ├── common.json\n│   ├── auth.json\n│   └── errors.json\n├── tr\u002F\n│   ├── common.json\n│   ├── auth.json\n│   └── errors.json\n└── ar\u002F          # RTL\n    └── ...\n```\n\n---\n\n## 5. Best Practices\n\n### DO ✅\n\n- Use translation keys, not raw text\n- Namespace translations by feature\n- Support pluralization\n- Handle date\u002Fnumber formats per locale\n- Plan for RTL from the start\n- Use ICU message format for complex strings\n\n### DON'T ❌\n\n- Hardcode strings in components\n- Concatenate translated strings\n- Assume text length (German is 30% longer)\n- Forget about RTL layout\n- Mix languages in same file\n\n---\n\n## 6. Common Issues\n\n| Issue | Solution |\n|-------|----------|\n| Missing translation | Fallback to default language |\n| Hardcoded strings | Use linter\u002Fchecker script |\n| Date format | Use Intl.DateTimeFormat |\n| Number format | Use Intl.NumberFormat |\n| Pluralization | Use ICU message format |\n\n---\n\n## 7. RTL Support\n\n```css\n\u002F* CSS Logical Properties *\u002F\n.container {\n  margin-inline-start: 1rem;  \u002F* Not margin-left *\u002F\n  padding-inline-end: 1rem;   \u002F* Not padding-right *\u002F\n}\n\n[dir=\"rtl\"] .icon {\n  transform: scaleX(-1);\n}\n```\n\n---\n\n## 8. Checklist\n\nBefore shipping:\n\n- [ ] All user-facing strings use translation keys\n- [ ] Locale files exist for all supported languages\n- [ ] Date\u002Fnumber formatting uses Intl API\n- [ ] RTL layout tested (if applicable)\n- [ ] Fallback language configured\n- [ ] No hardcoded strings in components\n\n---\n\n## Script\n\n| Script | Purpose | Command |\n|--------|---------|---------|\n| `scripts\u002Fi18n_checker.py` | Detect hardcoded strings & missing translations | `python scripts\u002Fi18n_checker.py \u003Cproject_path>` |\n",{"name":5,"description":7,"allowed-tools":36},"Read, Glob, Grep","main","923c514d4d5e15bbfd65ec7eaf949a997679aa3e","src\u002Fskills\u002Fdomain\u002Fi18n-localization","https:\u002F\u002Fgithub.com\u002Fyqecea\u002Fgem-swarm","https:\u002F\u002Fgithub.com\u002Fyqecea","15 y.o Data Science,Student","2026-04-26 20:00:27",{"source":8,"skillName":5,"commands":45,"prompt":55,"zipAvailable":56},[46,49,52],{"tool":47,"command":48},"npx","npx skills add 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