\n\n\n```\n\n \n \n\nWith `svelte-intlayer`, you can use translations in Svelte components. The hook returns a Svelte store. Here's an example:\n\n```svelte fileName=\"**/*.svelte\"\n\n\n

\n

{$content.welcomeMessage}

\n

\n```\n\n \n \n\nWith `preact-intlayer`, you can use translations in Preact components. Here's an example:\n\n```tsx fileName=\"**/*.tsx\" codeFormat={[\"typescript\", \"esm\"]}\nimport type { FC } from \"preact\";\nimport { useIntlayer } from \"preact-intlayer\";\n\nconst MyComponent: FC = () => {\n const content = useIntlayer(\"multi_lang\");\n\n return (\n

\n

{content.welcomeMessage}

\n

\n );\n};\n\nexport default MyComponent;\n```\n\n \n \n\nWith `solid-intlayer`, you can use translations in SolidJS components. Here's an example:\n\n```tsx fileName=\"**/*.tsx\" codeFormat={[\"typescript\", \"esm\"]}\nimport type { Component } from \"solid-js\";\nimport { useIntlayer } from \"solid-intlayer\";\n\nconst MyComponent: Component = () => {\n const content = useIntlayer(\"multi_lang\");\n\n return (\n

\n

{content.welcomeMessage}

\n

\n );\n};\n\nexport default MyComponent;\n```\n\n \n \n\nWith `angular-intlayer`, you can use translations in Angular components. Here's an example:\n\n```typescript fileName=\"app.component.ts\" codeFormat=\"typescript\"\nimport { Component } from \"@angular/core\";\nimport { useIntlayer } from \"angular-intlayer\";\n\n@Component({\n selector: \"app-my-component\",\n template: `\n

\n

{{ content().welcomeMessage }}

\n

\n `,\n})\nexport class MyComponent {\n content = useIntlayer(\"multi_lang\");\n}\n```\n\n \n \n\nWith `vanilla-intlayer`, you can use translations by subscribing to content changes. Here's an example:\n\n```typescript fileName=\"**/*.ts\" codeFormat={[\"typescript\", \"esm\"]}\nimport { installIntlayer, useIntlayer } from \"vanilla-intlayer\";\n\ninstallIntlayer();\n\nconst content = useIntlayer(\"multi_lang\").onChange((newContent) => {\n document.getElementById(\"welcome-message\")!.textContent = String(\n newContent.welcomeMessage\n );\n});\n\n// Initial render\ndocument.getElementById(\"welcome-message\")!.textContent = String(\n content.welcomeMessage\n);\n```\n\n \n\n","description":"Discover how to declare and use translation in your multilingual website. Follow the steps in this online documentation to set up your project in a few minutes.","url":"https://intlayer.org/doc/concept/content/translation","datePublished":"2025-08-23","dateModified":"2025-08-23","version":"5.5.10","keywords":"Translation, Internationalization, Documentation, Intlayer, Next.js, JavaScript, React","license":"https://raw.githubusercontent.com/aymericzip/intlayer/refs/heads/main/LICENSE","audience":{"@type":"Audience","audienceType":"Developers, Content Managers"}}

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Creation:2025-08-23Last update:2025-08-23

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Translation

Defining Translations

The t function in intlayer allows you to declare content in multiple languages. This function ensures type safety, raising an error if any translations are missing, which is particularly useful in TypeScript environments.

Here's an example of how to declare content with translations.

**/*.content.ts

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

interface Content {
  welcomeMessage: string;
}

export default {
  key: "multi_lang",
  content: {
    welcomeMessage: t({
      en: "Welcome to our application",
      fr: "Bienvenue dans notre application",
      es: "Bienvenido a nuestra aplicación",
    }),
  },
} satisfies Dictionary<Content>;

Configuration for Locales

To ensure proper translation handling, you can configure the accepted locales in intlayer.config.ts. This configuration allows you to define the languages that your application supports:

intlayer.config.ts

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import { Locales, type IntlayerConfig } from "intlayer";

const config: IntlayerConfig = {
  internationalization: {
    locales: [Locales.ENGLISH, Locales.FRENCH, Locales.SPANISH],
  },
};

export default config;

Using Translations

With react-intlayer, you can use translations in React components. Here's an example:

**/*.tsx

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import type { FC } from "react";
import { useIntlayer } from "react-intlayer";

const MyComponent: FC = () => {
const content = useIntlayer("multi_lang");

return (
  <div>
    <p>{content.welcomeMessage}</p>
  </div>
);
};

export default MyComponent;

This component fetches the corresponding translation based on the current locale set in your application.

With next-intlayer, you can use translations in React Server Components or Client Components. Here's an example in a Client Component:

**/*.tsx

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"use client";

import type { FC } from "react";
import { useIntlayer } from "next-intlayer";

const MyComponent: FC = () => {
const content = useIntlayer("multi_lang");

return (
  <div>
    <p>{content.welcomeMessage}</p>
  </div>
);
};

export default MyComponent;

With vue-intlayer, you can use translations in Vue components. Here's an example:

**/*.vue

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<script setup lang="ts">import { useIntlayer } from "vue-intlayer";const content = useIntlayer("multi_lang");</script><template><div>  <p>{{ content.welcomeMessage }}</p></div></template>

With svelte-intlayer, you can use translations in Svelte components. The hook returns a Svelte store. Here's an example:

**/*.svelte

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<script lang="ts">import { useIntlayer } from "svelte-intlayer";const content = useIntlayer("multi_lang");</script><div><p>{$content.welcomeMessage}</p></div>

With preact-intlayer, you can use translations in Preact components. Here's an example:

**/*.tsx

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import type { FC } from "preact";
import { useIntlayer } from "preact-intlayer";

const MyComponent: FC = () => {
const content = useIntlayer("multi_lang");

return (
  <div>
    <p>{content.welcomeMessage}</p>
  </div>
);
};

export default MyComponent;

With solid-intlayer, you can use translations in SolidJS components. Here's an example:

**/*.tsx

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import type { Component } from "solid-js";
import { useIntlayer } from "solid-intlayer";

const MyComponent: Component = () => {
const content = useIntlayer("multi_lang");

return (
  <div>
    <p>{content.welcomeMessage}</p>
  </div>
);
};

export default MyComponent;

With angular-intlayer, you can use translations in Angular components. Here's an example:

app.component.ts

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import { Component } from "@angular/core";import { useIntlayer } from "angular-intlayer";@Component({selector: "app-my-component",template: `  <div>    <p>{{ content().welcomeMessage }}</p>  </div>`,})export class MyComponent {content = useIntlayer("multi_lang");}

With vanilla-intlayer, you can use translations by subscribing to content changes. Here's an example:

**/*.ts

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import { installIntlayer, useIntlayer } from "vanilla-intlayer";

installIntlayer();

const content = useIntlayer("multi_lang").onChange((newContent) => {
document.getElementById("welcome-message")!.textContent = String(
  newContent.welcomeMessage
);
});

// Initial render
document.getElementById("welcome-message")!.textContent = String(
content.welcomeMessage
);

Content Declaration Plural