How can react-i18next be utilized within a BASIC function instead of a component?

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React-i18next is designed to be used within a React component, as it depends on the React Context API to manage translations. However, it is possible to use the i18next library directly within a vanilla JavaScript function, without React.

Here's an example:

import i18next from 'i18next';

function translate(key) {
  return i18next.t(key);
}

// Usage:
console.log(translate('welcome')); // "Welcome"
console.log(translate('greeting', { name: 'John' })); // "Hello John"

In this example, i18next is imported and used directly to translate keys. The translate function takes a key as an argument and returns the corresponding translation. You can also pass in additional options as a second argument, such as variables to interpolate into the string.

Keep in mind that this approach does not provide the benefits of React-i18next's intuitive syntax or automatic re-rendering on language changes. If you need those features, you'll want to use React components.