make it so interpolation text can be a hash

Co-Authored-By: Samantaz Fox <coding@samantaz.fr>

src/invidious/frontend/comments_youtube.cr

@@ -117,7 +117,7 @@ module Invidious::Frontend::Comments
 
             image_array.each_index do |i|
               html << <<-END_HTML
-                  <div class="slides-item slide-#{i + 1}" id="#{child["commentId"]}-slide-#{i + 1}" aria-label="#{translate(locale, "carousel_slide", nil, {"current" => (i + 1).to_s, "total" => image_array.size.to_s})}" tabindex="0">
+                  <div class="slides-item slide-#{i + 1}" id="#{child["commentId"]}-slide-#{i + 1}" aria-label="#{translate(locale, "carousel_slide", {"current" => (i + 1).to_s, "total" => image_array.size.to_s})}" tabindex="0">
                     <img loading="lazy" src="/ggpht#{URI.parse(image_array[i][1]["url"].as_s).request_target}" alt="" />
                   </div>
                 END_HTML

src/invidious/helpers/i18n.cr

@@ -78,7 +78,7 @@ def load_all_locales
   return locales
 end
 
-def translate(locale : String?, key : String, text : String | Nil = nil, texts : Hash(String, String) | Nil = nil) : String
+def translate(locale : String?, key : String, text : String | Hash(String, String) | Nil = nil) : String
   # Log a warning if "key" doesn't exist in en-US locale and return
   # that key as the text, so this is more or less transparent to the user.
   if !LOCALES["en-US"].has_key?(key)
@@ -101,10 +101,12 @@ def translate(locale : String?, key : String, text : String | Nil = nil, texts :
     match_length = 0
 
     raw_data.as_h.each do |hash_key, value|
-      if md = text.try &.match(/#{hash_key}/)
-        if md[0].size >= match_length
-          translation = value.as_s
-          match_length = md[0].size
+      if text.is_a?(String)
+        if md = text.try &.match(/#{hash_key}/)
+          if md[0].size >= match_length
+            translation = value.as_s
+            match_length = md[0].size
+          end
         end
       end
     end
@@ -114,12 +116,12 @@ def translate(locale : String?, key : String, text : String | Nil = nil, texts :
     raise "Invalid translation \"#{raw_data}\""
   end
 
-  if text
+  if text.is_a?(String)
     translation = translation.gsub("`x`", text)
-  elsif texts
+  elsif text.is_a?(Hash(String, String))
     # adds support for multi string interpolation. Based on i18next https://www.i18next.com/translation-function/interpolation#basic
-    texts.each_key do |hash_key|
-      translation = translation.gsub("{{#{hash_key}}}", texts[hash_key])
+    text.each_key do |hash_key|
+      translation = translation.gsub("{{#{hash_key}}}", text[hash_key])
     end
   end