intlayer-next-js

name	intlayer-next-js
description	Integrates Intlayer internationalization with Next.js App Router and Pages Router. Use when the user asks to "setup Next.js i18n", use "useIntlayer" in Server Components, or handle client-side translations in Next.js.
metadata	{"author":"Intlayer","url":"https://intlayer.org","license":"Apache-2.0","mcp-server":"@intlayer/mcp","category":"productivity","tags":["i18n","nextjs"],"documentation":"https://intlayer.org/doc","support":"[e-mail]"}

Intlayer Next.js Usage

Core Philosophy

Intlayer promotes Component-Level Content Declaration. Instead of a massive global translation file, content is declared in *.content.ts files adjacent to the Next.js components that use them.

Workflow

To create a translated component, you need two files:

1. Declaration: A content file (e.g., myComponent.content.ts) defining the dictionary.
2. Implementation: A Next.js component (Server or Client) using the useIntlayer hook.

1. Declare Content

Create a content file using t() for translations. File: src/components/MyComponent/myComponent.content.ts

import { t, type Dictionary } from "intlayer";

const content = {
  // The 'key' must be unique and matches what you pass to useIntlayer()
  key: "my-component",
  content: {
    text: t({
      en: "Welcome",
      fr: "Bienvenue",
      es: "Hola",
    }),
  },
} satisfies Dictionary;

export default content;

Setup

• Next.js
• Next.js 14
• Next.js 15
• No Locale Path
• Page Router

Server Components

To use Intlayer in Server Components, use IntlayerServerProvider to provide the locale and useIntlayer from next-intlayer/server.

import { IntlayerServerProvider, useIntlayer } from "next-intlayer/server";

const MyServerComponent = () => {
  const content = useIntlayer("my-component");
  return (
    <div>
      <h1>{content.text}</h1>
    </div>
  );
};

const Page = async ({ params }) => {
  const { locale } = await params;
  return (
    <IntlayerServerProvider locale={locale}>
      <MyServerComponent />
    </IntlayerServerProvider>
  );
};

export default Page;

Client Components

For Client Components, add the "use client" directive and use useIntlayer from next-intlayer. Ensure the component is wrapped in an IntlayerClientProvider.

"use client";

import { useIntlayer } from "next-intlayer";

export const MyClientComponent = () => {
  const content = useIntlayer("my-component");

  return (
    <div>
      <h1>{content.text}</h1>
    </div>
  );
};

Next.js package Documentation

References

• Website
• Doc

Environments

• Next.js
• Next.js 14
• Next.js 15
• Next.js No Locale Path
• Next.js with Page Router

Packages

• Intlayer Exports
• Next Intlayer Exports
• Next Intlayer Middleware
• Next Intlayer T
• Next Intlayer useDictionary
• Next Intlayer useIntlayer
• Next Intlayer useLocale

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