shopify-app-i18n

📁 toilahuongg/google-antigravity-kit 📅 Jan 25, 2026

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安装命令

npx skills add https://github.com/toilahuongg/google-antigravity-kit --skill shopify-app-i18n

Agent 安装分布

windsurf 1

opencode 1

weavefox 1

claude-code 1

antigravity 1

Skill 文档

Internationalization (i18n) for Shopify Apps

Shopify merchants exist globally. Your app MUST support multiple languages to be featured or widely adopted.

1. Stack

Library: i18next (Standard)
React: react-i18next
Remix: remix-i18next

2. Setup

Installation

npm install i18next react-i18next remix-i18next i18next-fs-backend i18next-http-backend

Configuration (`app/i18n.server.ts`)

Create a server-side instance to detect language.

import { RemixI18Next } from "remix-i18next/server";
import { createInstance } from "i18next";
import i18n from "~/i18n"; // client config
import { resolve } from "node:path";

export const i18nServer = new RemixI18Next({
  detection: {
    supportedLanguages: i18n.supportedLngs,
    fallbackLanguage: i18n.fallbackLng,
  },
  // This is the configuration for i18next
  i18next: {
    ...i18n,
    backend: {
      loadPath: resolve("./public/locales/{{lng}}/{{ns}}.json"),
    },
  },
});

Root Loader (`app/root.tsx`)

Inject the locale into the document.

export async function loader({ request }: LoaderFunctionArgs) {
  const locale = await i18nServer.getLocale(request);
  return json({ locale });
}

export const handle = {
  // In the handle export, we can add a reference to a translation namespace
  // This will load the translations for this namespace for this route
  i18n: "common",
};

export default function App() {
  const { locale } = useLoaderData<typeof loader>();
  useChangeLanguage(locale); // Syncs remix locale with i18next
  
  return (
    <html lang={locale} dir={i18n.dir(locale)}>
      {/* ... */}
    </html>
  );
}

3. Translation Files

Store JSON files in public/locales.

public/
  locales/
    en/
      common.json
    fr/
      common.json
    vi/
      common.json

Example common.json:

{
  "welcome": "Welcome to my app",
  "dashboard": {
    "title": "Dashboard",
    "stats": "Statistics"
  }
}

4. Usage in Components

import { useTranslation } from "react-i18next";

export function DashboardHeader() {
  const { t } = useTranslation("common");

  return (
    <Page title={t("dashboard.title")}>
      <p>{t("welcome")}</p>
    </Page>
  );
}

5. Detecting Shopify Admin Language

Shopify passes the locale in the URL query params (?locale=fr-FR) or you can fetch it from the GraphQL Admin API (Shop.billingAddress.country or similar, though strictly speaking the Admin UI language is preferred).

Typically, remix-i18next detection handles the request headers/query params automatically if configured correctly.

6. Translating App Extensions

For Theme App Extensions or Checkout UI Extensions, they have their own locales folder in their directory. They do NOT share the Remix app’s locales.

Theme Extension: extensions/my-ext/locales/en.default.json
Checkout UI: extensions/checkout-ui/locales/en.json

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