FEATURE: Inline (Mini) Oneboxing

see:
https://meta.discourse.org/t/mini-inline-onebox-support-rfc/66400?source_topic_id=66066

lib/pretty_text/helpers.rb

@@ -1,3 +1,5 @@
+require_dependency 'inline_oneboxer'
+
 module PrettyText
   module Helpers
     extend self
@@ -43,6 +45,10 @@ module PrettyText
       end
     end
 
+    def lookup_inline_onebox(url)
+      InlineOneboxer.lookup(url)
+    end
+
     def get_topic_info(topic_id)
       return unless topic_id.is_a?(Integer)
       # TODO this only handles public topics, secured one do not get this

lib/pretty_text/shims.js

@@ -49,6 +49,10 @@ function __getURL(url) {
   return url;
 }
 
+function __lookupInlineOnebox(url) {
+  return __helpers.lookup_inline_onebox(url);
+}
+
 function __getTopicInfo(i) {
   return __helpers.get_topic_info(i);
 }