I18next

Skill ComeOnOliver/skillshub/skills/TerminalSkills/skills/i18next

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Install

npx -y skills add ComeOnOliver/skillshub --skill i18next

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SKILL.md

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i18next

Overview

i18next is the most popular JS i18n framework. Works with React, Vue, Angular, Node.js. Features: namespace splitting, lazy loading, plurals, interpolation, context, and backend plugins for remote translations.

Instructions

Step 1: React Setup

import i18n from 'i18next'
import { initReactI18next } from 'react-i18next'
import HttpBackend from 'i18next-http-backend'
import LanguageDetector from 'i18next-browser-languagedetector'

i18n.use(HttpBackend).use(LanguageDetector).use(initReactI18next).init({
  fallbackLng: 'en',
  supportedLngs: ['en', 'de', 'fr', 'ja'],
  ns: ['common', 'dashboard'],
  defaultNS: 'common',
  backend: { loadPath: '/locales/{{lng}}/{{ns}}.json' },
})

Step 2: Usage

import { useTranslation, Trans } from 'react-i18next'

function Dashboard() {
  const { t } = useTranslation('dashboard')
  return (
    <div>
      <h1>{t('welcome', { name: 'Alice' })}</h1>
      <p>{t('projects', { count: 5 })}</p>
      <Trans i18nKey="terms">Agree to <a href="/terms">Terms</a>.</Trans>
    </div>
  )
}

{
  "welcome": "Welcome back, {{name}}!",
  "projects_one": "You have {{count}} project",
  "projects_other": "You have {{count}} projects"
}

Guidelines

Split translations into namespaces by feature — don't load everything.
Use _one/_other suffixes for plurals.
<Trans> for translations with embedded JSX.
Language detection: browser → URL → cookie → localStorage.
For SSR: pass language from server to avoid hydration mismatch.

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.