Delete root level alias

adobe · Dec 1, 2023 · 40fc991 · 40fc991
1 parent 38695b4
commit 40fc991
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diff --git a/lib/style/single_node.ex b/lib/style/single_node.ex
@@ -30,6 +30,10 @@ defmodule Styler.Style.SingleNode do
   alias Styler.Style
   alias Styler.Zipper
 
+  # Delete root level alias
+  # `alias Foo` -> ``
+  def run({{:alias, _, [{:__aliases__, _, [_]}]}, _} = zipper, ctx), do: {:cont, Zipper.remove(zipper), ctx}
+
   def run({node, meta}, ctx), do: {:cont, {style(node), meta}, ctx}
 
   # Our use of the `literal_encoder` option of `Code.string_to_quoted_with_comments!/2` creates

diff --git a/test/style/single_node_test.exs b/test/style/single_node_test.exs
@@ -290,4 +290,20 @@ defmodule Styler.Style.SingleNodeTest do
       assert_style("Enum.reverse(foo, bar) ++ bar")
     end
   end
+
+  test "Delete root level alias" do
+    assert_style(
+      """
+      alias unquote(Foo)
+      alias Foo
+      alias Bar, as: Bop
+      alias __MODULE__
+      """,
+      """
+      alias __MODULE__
+      alias Bar, as: Bop
+      alias unquote(Foo)
+      """
+    )
+  end
 end