Rails I18n: How to set fallback locale?

Question

My website only has 2 lang, zh, and en, and I want other language such as de, fr fallback to en, so I set as suggested above:

 config.i18n.fallbacks =[:en]

But when I visiting http://localhost:3000/?locale=de it still reports "de" is not a valid locale. (locale for en and zh works fine)

How can I fix this?

UPDATE: this is how I receive locale

  def set_locale
    I18n.locale = params[:locale] || I18n.default_locale
  end

score 2 · Accepted Answer · answered May 23 '15 at 11:10

2

Add this to your config/application.rb

I18n.config.enforce_available_locales = false

answered May 23 '15 at 11:10

Robert Falkén

You can also keep the check and do `config.available_locales += [:whatever, :locales]` – Chad M Jun 01 '17 at 20:52

1 Answers1