Add producer to search_data.js

Author: wojtekmach

lib/ex_doc/formatter/html/search_data.ex

@@ -15,7 +15,11 @@ defmodule ExDoc.Formatter.HTML.SearchData do
 
     data = %{
       items: items,
-      content_type: content_type
+      content_type: content_type,
+      producer: %{
+        name: "ex_doc",
+        version: Application.spec(:ex_doc)[:vsn]
+      }
     }
 
     ["searchData=" | ExDoc.Utils.to_json(data)]

test/ex_doc/formatter/html/search_data_test.exs

@@ -21,6 +21,7 @@ defmodule ExDoc.Formatter.HTML.SearchDataTest do
     config = %ExDoc.Config{output: "#{c.tmp_dir}/doc"}
     data = search_data(modules, config)
     assert data["content_type"] == "text/markdown"
+    assert data["producer"]["name"] == "ex_doc"
     [item1, item2] = data["items"]
 
     assert item1["ref"] == "SearchFoo.html"