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Setting Up Vue-i18n

1. Introduction

Vue-i18n is an internationalization plugin for Vue.js that helps in the localization of your application by providing a simple way to manage translations and switch between languages.

2. Installation

To install Vue-i18n, you can use npm or yarn. Run one of the following commands in your project directory:

npm install vue-i18n@9
// or
yarn add vue-i18n@9

3. Configuration

After installation, you need to configure Vue-i18n in your Vue application:

import { createI18n } from 'vue-i18n';

const messages = {
    en: {
        welcome: 'Welcome to our application!',
    },
    fr: {
        welcome: 'Bienvenue dans notre application!',
    },
};

const i18n = createI18n({
    locale: 'en', // set locale
    messages, // set locale messages
});

const app = createApp(App);
app.use(i18n);
app.mount('#app');

4. Usage

To use the translations in your components, you can utilize the $t method:

<template>
    <div>
        <h1>{{$t('welcome')}}</h1>
    </div>
</template>

5. Best Practices

Key Takeaways:

  • Use a consistent key naming convention for your translations.
  • Keep translations in separate files for better organization.
  • Consider using pluralization and formatting for dynamic content.

6. FAQ

What is Vue-i18n?

Vue-i18n is a plugin for Vue.js that enables internationalization and localization of applications by managing translations.

How can I switch languages dynamically?

You can switch languages by changing the locale property in your i18n instance:

i18n.global.locale = 'fr'; // Switches to French