From 05637a8cd70e36f181463e6909f4cec5f3830311 Mon Sep 17 00:00:00 2001
From: Benjamin Winger <bmw@disroot.org>
Date: Fri, 28 Jan 2022 11:33:00 -0500
Subject: [PATCH] Interpolate default value

---
 i18n/init.lua      | 4 +++-
 spec/i18n_spec.lua | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/i18n/init.lua b/i18n/init.lua
index 6bcccd0..61edb95 100644
--- a/i18n/init.lua
+++ b/i18n/init.lua
@@ -141,7 +141,9 @@ function i18n.translate(key, data)
     if value then return value end
   end
 
-  return data.default
+  if data.default then
+      return interpolate(data.default, data)
+  end
 end
 
 function i18n.setLocale(newLocale, newPluralizeFunction)
diff --git a/spec/i18n_spec.lua b/spec/i18n_spec.lua
index f90ad79..228aebb 100644
--- a/spec/i18n_spec.lua
+++ b/spec/i18n_spec.lua
@@ -64,6 +64,10 @@ describe('i18n', function()
         assert.equal('bonjour', i18n('msg', {default='bonjour'}))
       end)
 
+      it('interpolates the default parameter, if given', function()
+        assert.equal('bonjour world', i18n('msg', {default='bonjour %{who}', who="world"}))
+      end)
+
     end)
 
     describe('when there is a count-type translation', function()