Fix elixir ref

Author: josevalim

lib/ex_doc/language/elixir.ex

@@ -748,7 +748,7 @@ defmodule ExDoc.Language.Elixir do
     ref = {:module, module}
 
     case {mode, Refs.get_visibility(ref)} do
-      {_link_type, :public} ->
+      {_link_type, visibility} when visibility in [:public, :limited] ->
         Autolink.app_module_url(Autolink.tool(module, config), module, config)
 
       {:regular_link, :undefined} ->

test/ex_doc/refs_test.exs

@@ -38,8 +38,8 @@ defmodule ExDoc.RefsTest do
     assert Refs.get_visibility({:function, WithModuleDoc, :_no_doc, 0}) == :hidden
     assert Refs.get_visibility({:function, WithModuleDoc, :_doc_false, 0}) == :hidden
 
-    assert Refs.get_visibility({:function, InMemory, :no_doc, 0}) == :public
     # unable to read documentation, visibility is set to :public
+    assert Refs.get_visibility({:function, InMemory, :no_doc, 0}) == :public
     assert Refs.get_visibility({:function, InMemory, :doc_false, 0}) == :public
     assert Refs.get_visibility({:function, InMemory, :with_doc, 0}) == :public
     assert Refs.get_visibility({:function, InMemory, :non_existant, 0}) == :undefined
@@ -54,6 +54,9 @@ defmodule ExDoc.RefsTest do
     assert Refs.get_visibility({:type, :sets, :set, 9}) == :undefined
     assert Refs.get_visibility({:type, WithoutModuleDoc, :a_type, 0}) == :public
 
+    # types cannot be read for inmemory modules
+    assert Refs.get_visibility({:type, InMemory, :a_type, 0}) == :undefined
+
     assert Refs.get_visibility({:callback, GenServer, :handle_call, 3}) == :public
     assert Refs.get_visibility({:callback, GenServer, :handle_call, 9}) == :undefined
     assert Refs.get_visibility({:callback, :gen_server, :handle_call, 3}) == :public