Question 1

How do I install R18n for a Sinatra app?

Accepted Answer

Use the `sinatra-r18n` gem, include it in your Gemfile, and set up R18n configuration in your Sinatra application. The gem automatically handles locale detection and provides translation helpers similar to the core examples.

Question 2

Can R18n load translations from a JSON file instead of YAML?

Accepted Answer

R18n primarily uses YAML, but you can create a custom loader to read from JSON or any source by implementing the `available` and `load` methods, as shown in the 'Total flexibility' section with the DBLoader example.

Question 3

Is R18n compatible with Rails 7?

Accepted Answer

Check the `r18n-rails` gem documentation for version compatibility. Generally, it supports recent Rails versions, but you should verify with the project's GitHub releases or changelog, as maintenance might vary.

Question 4

How does R18n handle pluralization compared to other i18n libraries?

Accepted Answer

R18n has built-in locale data for pluralization rules, so you define plurals in YAML with `!!pl` type, and it automatically selects the correct form based on locale, avoiding complex lambdas used in some alternatives.

Question 5

R18n or Rails I18n: which should I choose?

Accepted Answer

If you need advanced features like custom filters, model translations, or more control, R18n is better. For standard use cases, Rails I18n is simpler and well-integrated with the framework, requiring less setup.

Question 6

How to add a custom translation filter for HTML safety in R18n?

Accepted Answer

Use the built-in escape filter by marking translations with `!!escape` in YAML, or define a custom filter via `R18n::Filters.add` to apply HTML escaping logic, as demonstrated in the filters section of the README.

r18n

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