From 9168d5121029f2f2e5853134cf4705e50b480116 Mon Sep 17 00:00:00 2001
From: Noah Betzen <noah@nezteb.net>
Date: Sun, 3 Nov 2024 12:32:14 -0800
Subject: [PATCH] Account for &dbg/1

---
 lib/credo/check/warning/dbg.ex        |  8 ++++++++
 test/credo/check/warning/dbg_test.exs | 17 +++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/lib/credo/check/warning/dbg.ex b/lib/credo/check/warning/dbg.ex
index ac748aa40..45c73cc80 100644
--- a/lib/credo/check/warning/dbg.ex
+++ b/lib/credo/check/warning/dbg.ex
@@ -75,6 +75,14 @@ defmodule Credo.Check.Warning.Dbg do
     {ast, [issue_for(issue_meta, meta, "dbg") | issues]}
   end
 
+  defp traverse(
+         {:&, _, [{:/, _, [{:dbg, meta, _}, 1]}]} = ast,
+         issues,
+         issue_meta
+       ) do
+    {ast, [issue_for(issue_meta, meta, "dbg/1") | issues]}
+  end
+
   defp traverse(ast, issues, _issue_meta) do
     {ast, issues}
   end
diff --git a/test/credo/check/warning/dbg_test.exs b/test/credo/check/warning/dbg_test.exs
index 226f2207f..357047b4c 100644
--- a/test/credo/check/warning/dbg_test.exs
+++ b/test/credo/check/warning/dbg_test.exs
@@ -219,4 +219,21 @@ defmodule Credo.Check.Warning.DbgTest do
       assert issue.trigger == "dbg"
     end)
   end
+
+  test "it should report a violation /11" do
+    ~S'''
+    defmodule CredoSampleModule do
+      def some_function(params) do
+        params
+        |> tap(&dbg/1)
+      end
+    end
+    '''
+    |> to_source_file
+    |> run_check(@described_check)
+    |> assert_issue(fn issue ->
+      assert issue.line_no == 4
+      assert issue.trigger == "dbg/1"
+    end)
+  end
 end