How to Use React Context to Build a Multilingual Website Pt.2

How to Use React Context to Build a Multilingual Website Pt.2

Have you ever wondered how to use React Context API? This tutorial will show you how to use React Context API to build a simple multilingual website. We will start with creating navigation. Then, we will build 3 simple pages. Finally, we will add 4 translations to make our website multilingual!

Have you ever wondered how to use React Context API? This tutorial will show you how to use it to build a simple multilingual website. In this part, we will start by creating navigation for our website. Then, we will build three simple pages. After that, we will prepare files for translation and make our website multilingual. I hope you will enjoy it. Now, let’s begin.

How to Use React Context to Build a Multilingual Website Part 1.

Project outline:

├── node_modules/
├── public/
├── src/
│   └── app/
│       └── components/
│           └── header.jsx
│       └── pages/
│           └── About.jsx
│           └── Home.jsx
│           └── Portfolio.jsx
│       └── styles/
│           └── components/
│               └── header.css
│               └── links.css
│           └── pages/
│               └── about.css
│           └── base.css
│           └── grid.css
│           └── layout.css
│       └── Main.jsx
│   └── translations/
│       └── cz.json
│       └── de.json
│       └── en.json
│       └── fr.json
│   └── context.jsx
│   └── index.js
│   └── registerServiceWorker.js
├── .env
├── package.json
└── yarn.lock

Adding Header component

We finished the previous part by creating Main component, inside Main.jsx file. As a result, we have basically everything we need to start working on our website. React Context is prepared and routes are set. Probably the best way to continue will be by creating the Header component for our website. There are several reasons why we should start with Header component.

Reason number one is that Header will be a relatively simple component, if we look away from the React Context for a moment. Header component will contain a list with three separate list items with links, one for each page. Under these links will be one additional list item wrapping four links, one for each language variation of our website. Finally, there will be a menu button.

The reason number two is that Header component will allow us to test React Context as well as translations for our website. As you may remember, we passed React Context to Header component as context prop, in Main.jsx. We will use this props now for a couple of things. First, we will use it to show and hide the navigation with isNavOpen key stored in state and toggleNav method, both provided by React Context.

And, second, we will use the changeLanguage to switch between language variations of our website when visitor clicks on one of the links dedicated to language.

Now, let’s quickly discuss how will the translations work. This will be simple. We will use if statements to check the language key stored inside the state of React Context, passed through context prop. We will compare the value of the language key with three strings, ‘cz’, ‘de’ and ‘fr’. If match is found, we will load specific string from translation JSON file.

We will use English as default language. So, when there is no match with any of the strings, our website will switch to English. We will use this exact mechanism to switch between strings variations, when the visitor decides to the language, on the rest of our website. The only difference is that the rest of the website will use Consumer component from React Context, not React prop.

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