Omit external links from search data

Author: sorentwo

lib/ex_doc/formatter/html/search_data.ex

@@ -18,6 +18,8 @@ defmodule ExDoc.Formatter.HTML.SearchData do
     ["searchData=" | ExDoc.Utils.to_json(data)]
   end
 
+  defp extra(%{url: _}), do: []
+
   defp extra(%{search_data: search_data} = map) when is_list(search_data) do
     Enum.map(search_data, fn item ->
       link =
@@ -31,10 +33,6 @@ defmodule ExDoc.Formatter.HTML.SearchData do
     end)
   end
 
-  defp extra(%{url: url} = map) do
-    [encode("#{map.id}", map.title, :extras, url)]
-  end
-
   defp extra(map) do
     {intro, sections} = extract_sections_from_markdown(map.source)
 

test/ex_doc/formatter/html/search_data_test.exs

@@ -204,7 +204,12 @@ defmodule ExDoc.Formatter.HTML.SearchDataTest do
     Section _1_ content.
     """)
 
-    config = %ExDoc.Config{output: "#{c.tmp_dir}/doc", extras: [readme_path]}
+    extras = [
+      readme_path,
+      "Elixir": [url: "https://elixir-lang.org"]
+    ]
+
+    config = %ExDoc.Config{output: "#{c.tmp_dir}/doc", extras: extras}
     [item1, item2] = search_data([], config)["items"]
 
     assert item1["ref"] == "readme.html"