Merge pull request #491 from ruby-i18n/pipe-interpolation

Allow pipes in interpolations
ruby-i18n · Oct 4, 2019 · 9afdd61 · 9afdd61
2 parents 2942126 + 0c647ce
commit 9afdd61
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diff --git a/lib/i18n/interpolate/ruby.rb b/lib/i18n/interpolate/ruby.rb
@@ -4,7 +4,7 @@
 module I18n
   DEFAULT_INTERPOLATION_PATTERNS = [
     /%%/,
-    /%\{(\w+)\}/,                               # matches placeholders like "%{foo}"
+    /%\{([\w|]+)\}/,                            # matches placeholders like "%{foo} or %{foo|word}"
     /%<(\w+)>(.*?\d*\.?\d*[bBdiouxXeEfgGcps])/  # matches placeholders like "%<foo>.d"
   ].freeze
   INTERPOLATION_PATTERN = Regexp.union(DEFAULT_INTERPOLATION_PATTERNS)

diff --git a/lib/i18n/tests/interpolation.rb b/lib/i18n/tests/interpolation.rb
@@ -24,6 +24,10 @@ module Interpolation
         assert_equal 'Hi David!', interpolate(:default => 'Hi %{name}!', :name => 'David')
       end
 
+      test "interpolation: works with a pipe" do
+        assert_equal 'Hi david!', interpolate(:default => 'Hi %{name|lowercase}!', :'name|lowercase' => 'david')
+      end
+
       test "interpolation: given a nil value it still interpolates it into the string" do
         assert_equal 'Hi !', interpolate(:default => 'Hi %{name}!', :name => nil)
       end