Open orwell1984 opened 5 years ago
react-intl
is pretty much the gold standard for this, although it doesn't help you with translating content. There's also machine translation services which can help to get an initial set of translations fairly inexpensively, however there's no guarantee it's going to be accurate.
Content is definitely the harder problem, and will likely involve modifying the backend data store to support multiple translations if it doesn't already support that.
Using French language text provided by @emmanuelproulx . Use locale to automatically detect user's language. Set up translations to be easily editable and modular.