From 375802b5ea4dd6d5e039a9bad9a1ef39aaae1742 Mon Sep 17 00:00:00 2001
From: kkalb <kevinkalb17@googlemail.com>
Date: Wed, 1 Oct 2025 10:00:52 +0200
Subject: [PATCH 1/2] added two tests where a second space was added by the
 formatter

---
 test/tailwind_formatter_test.exs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/test/tailwind_formatter_test.exs b/test/tailwind_formatter_test.exs
index 4c4c1e1..4c61577 100644
--- a/test/tailwind_formatter_test.exs
+++ b/test/tailwind_formatter_test.exs
@@ -560,4 +560,32 @@ defmodule TailwindFormatterTest do
 
     assert_formatter_output(input, expected)
   end
+
+  test "double space inserted by formatter into Enum.join/3" do
+    input = """
+    <.div class={["flex p-1", some_func("focus-within:border-neutral", @var)] |> Enum.join(" ")}>
+    </.div>
+    """
+
+    expected = """
+    <.div class={["flex p-1", some_func("focus-within:border-neutral", @var)] |> Enum.join(" ")}>
+    </.div>
+    """
+
+    assert_formatter_output(input, expected)
+  end
+
+  test "formating works for space in constant" do
+    input = """
+    {space = " "}
+    <.div class={["flex p-1", Enum.join(some_func("focus-within:border-neutral", @var), space)]}></div>
+    """
+
+    expected = """
+    {space = " "}
+    <.div class={["flex p-1", Enum.join(some_func("focus-within:border-neutral", @var), space)]}></div>
+    """
+
+    assert_formatter_output(input, expected)
+  end
 end

From 042d253ca079546e13a41d57dc74b750254c9b3d Mon Sep 17 00:00:00 2001
From: kkalb <kevinkalb17@googlemail.com>
Date: Wed, 1 Oct 2025 10:32:40 +0200
Subject: [PATCH 2/2] change to minimum reproducable example for added tests

---
 test/tailwind_formatter_test.exs | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/test/tailwind_formatter_test.exs b/test/tailwind_formatter_test.exs
index 4c61577..c3479b1 100644
--- a/test/tailwind_formatter_test.exs
+++ b/test/tailwind_formatter_test.exs
@@ -563,27 +563,26 @@ defmodule TailwindFormatterTest do
 
   test "double space inserted by formatter into Enum.join/3" do
     input = """
-    <.div class={["flex p-1", some_func("focus-within:border-neutral", @var)] |> Enum.join(" ")}>
-    </.div>
+    <.div class={Enum.join([], " ")}></.div>
     """
 
     expected = """
-    <.div class={["flex p-1", some_func("focus-within:border-neutral", @var)] |> Enum.join(" ")}>
-    </.div>
+    <.div class={Enum.join([], " ")}></.div>
     """
 
     assert_formatter_output(input, expected)
   end
 
-  test "formating works for space in constant" do
+
+  test "formatting works for space in constant" do
     input = """
     {space = " "}
-    <.div class={["flex p-1", Enum.join(some_func("focus-within:border-neutral", @var), space)]}></div>
+    <.div class={Enum.join([], space)}></.div>
     """
 
     expected = """
     {space = " "}
-    <.div class={["flex p-1", Enum.join(some_func("focus-within:border-neutral", @var), space)]}></div>
+    <.div class={Enum.join([], space)}></.div>
     """
 
     assert_formatter_output(input, expected)