Localization:

react-i18next

It is a library that facilitates the integration of internationalization (i18n) into React applications using the ‘I18next’ library. It provides a set of specific components and functions designed to work with react, simplifying the translation and localization process in web applications.

Pros and cons

Pros

• Easy integration with React: It is designed to integrate with React applications. It provides React specific components.
• Use of hooks: Provides hooks like ‘useTranslation’, which simplify access to translation functions directly in React components, eliminating the need to pass translation objects through props.
• Automatic language detection: Facilitates detection of the user’s preferred language based on browser or application settings.
• Complete documentation: It has comprehensive documentation and practical examples, facilitating implementation and learning for developers.
• Active community: Being part of I18next, react-i18next benefits from an active community that provides support and contributes to the continuous development of the library.

Cons

• Complex initial setup: For large or complex projects, the initial setup may be perceived as complex. Although the library offers flexibility and advanced features, this may also require more detailed configuration and longer integration time.
• Library size: Although it is very efficient, if many of its features and extensions are used, it can contribute to the total size of the application.

Another alternative

React-Intl: It is an official React library that provides components and utilities for internationalization, including date formatting, number formatting and handling of translatable messages.