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Merge pull request #34309 from oliverguenther/patch-1

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Document `deep_interpolation` parameter for bulk lookups
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Eileen M. Uchitelle 2018-10-25 08:09:01 -04:00 committed by GitHub
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guides/source/i18n.md
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@ -664,6 +664,26 @@ I18n.t 'activerecord.errors.messages'
# => {:inclusion=>"is not included in the list", :exclusion=> ... }
```
If you want to perform interpolation on a bulk hash of translations, you need to pass `deep_interpolation: true` as a parameter. When you have the following dictionary:
```yaml
en:
welcome:
title: "Welcome!"
content: "Welcome to the %{app_name}"
```
then the nested interpolation will be ignored without the setting:
```ruby
I18n.t 'welcome', app_name: 'book store'
# => {:title=>"Welcome!", :content=>"Welcome to the %{app_name}"}
I18n.t 'welcome', deep_interpolation: true, app_name: 'book store'
# => {:title=>"Welcome!", :content=>"Welcome to the book store"}
```
#### "Lazy" Lookup
Rails implements a convenient way to look up the locale inside _views_. When you have the following dictionary: