From b23e2fd1a528ff3add0c4aaa2c1fe985c8e5c243 Mon Sep 17 00:00:00 2001
From: Claudio Ortolina <cloud8421@gmail.com>
Date: Sun, 9 Mar 2025 09:22:48 +0000
Subject: [PATCH] Extract Tailwind release helpers

---
 lib/mix/tasks/tailwind/check_version.ex  | 15 ++++---------
 lib/mix/tasks/tailwind/release.ex        | 27 ++++++++++++++++++++++++
 lib/mix/tasks/tailwind/update_version.ex | 26 +++++------------------
 3 files changed, 36 insertions(+), 32 deletions(-)
 create mode 100644 lib/mix/tasks/tailwind/release.ex

diff --git a/lib/mix/tasks/tailwind/check_version.ex b/lib/mix/tasks/tailwind/check_version.ex
index efeb9441..854cce20 100644
--- a/lib/mix/tasks/tailwind/check_version.ex
+++ b/lib/mix/tasks/tailwind/check_version.ex
@@ -8,19 +8,12 @@ defmodule Mix.Tasks.Tailwind.CheckVersion do
   Exits with 0 if versions match, 1 if the Tailwind needs to be updated.
   """
 
+  alias Mix.Tasks.Tailwind.Release
+
   @impl Mix.Task
   def run(_args) do
-    Application.ensure_all_started(:req)
-
-    current_version =
-      Application.get_env(:tailwind, :version)
-
-    latest_version_url =
-      "https://api.github.com/repos/tailwindlabs/tailwindcss/releases/latest"
-
-    latest_version =
-      Req.get!(latest_version_url).body["tag_name"]
-      |> String.replace_prefix("v", "")
+    current_version = Release.fetch_current_version()
+    latest_version = Release.fetch_latest_version!()
 
     if current_version !== latest_version do
       Mix.Shell.IO.info(
diff --git a/lib/mix/tasks/tailwind/release.ex b/lib/mix/tasks/tailwind/release.ex
new file mode 100644
index 00000000..bc1d027a
--- /dev/null
+++ b/lib/mix/tasks/tailwind/release.ex
@@ -0,0 +1,27 @@
+defmodule Mix.Tasks.Tailwind.Release do
+  @latest_version_url "https://api.github.com/repos/tailwindlabs/tailwindcss/releases/latest"
+
+  def fetch_latest_version! do
+    Application.ensure_all_started(:req)
+
+    Req.get!(@latest_version_url).body["tag_name"]
+    |> String.replace_prefix("v", "")
+  end
+
+  def fetch_current_version do
+    Application.get_env(:tailwind, :version)
+  end
+
+  def update_config_file!(config_file, current_version, latest_version) do
+    config_contents = File.read!(config_file)
+
+    new_config_contents =
+      String.replace(
+        config_contents,
+        ~s(version: "#{current_version}"),
+        "version: \"#{latest_version}\""
+      )
+
+    File.write!(config_file, new_config_contents)
+  end
+end
diff --git a/lib/mix/tasks/tailwind/update_version.ex b/lib/mix/tasks/tailwind/update_version.ex
index 067251ba..7466d7f1 100644
--- a/lib/mix/tasks/tailwind/update_version.ex
+++ b/lib/mix/tasks/tailwind/update_version.ex
@@ -6,19 +6,12 @@ defmodule Mix.Tasks.Tailwind.UpdateVersion do
   Update the configured tailwind versino to latest.
   """
 
+  alias Mix.Tasks.Tailwind.Release
+
   @impl Mix.Task
   def run(_args) do
-    Application.ensure_all_started(:req)
-
-    current_version =
-      Application.get_env(:tailwind, :version)
-
-    latest_version_url =
-      "https://api.github.com/repos/tailwindlabs/tailwindcss/releases/latest"
-
-    latest_version =
-      Req.get!(latest_version_url).body["tag_name"]
-      |> String.replace_prefix("v", "")
+    current_version = Release.fetch_current_version()
+    latest_version = Release.fetch_latest_version!()
 
     if current_version !== latest_version do
       Mix.Shell.IO.info(
@@ -28,16 +21,7 @@ defmodule Mix.Tasks.Tailwind.UpdateVersion do
       config_file =
         Path.expand("config/config.exs", File.cwd!())
 
-      config_contents = File.read!(config_file)
-
-      new_config_contents =
-        String.replace(
-          config_contents,
-          ~s(version: "#{current_version}"),
-          "version: \"#{latest_version}\""
-        )
-
-      File.write!(config_file, new_config_contents)
+      Release.update_config_file!(config_file, current_version, latest_version)
     else
       Mix.Shell.IO.info("tailwind configuration is up to date (#{current_version})")
     end