From 2a1fb09cbacbd2c04cd60973a05ca7eed848b5f8 Mon Sep 17 00:00:00 2001
From: Brian Cardarella <bcardarella@gmail.com>
Date: Wed, 18 Dec 2024 16:47:43 -0500
Subject: [PATCH] Raise on missing deps for lvn.setup

---
 lib/mix/live_view_native.ex | 31 +++++++++++++++++++++++++++++++
 lib/mix/tasks/lvn.setup.ex  | 30 +++---------------------------
 2 files changed, 34 insertions(+), 27 deletions(-)

diff --git a/lib/mix/live_view_native.ex b/lib/mix/live_view_native.ex
index fecee6f..548c7e4 100644
--- a/lib/mix/live_view_native.ex
+++ b/lib/mix/live_view_native.ex
@@ -1,4 +1,9 @@
 defmodule Mix.LiveViewNative do
+
+  import Mix.LiveViewNative.Context, only: [
+    compile_string: 1
+  ]
+
   def plugins() do
     config_plugins = LiveViewNative.plugins()
 
@@ -22,4 +27,30 @@ defmodule Mix.LiveViewNative do
 
     Map.merge(found_plugins, config_plugins)
   end
+
+  def detect_necessary_deps() do
+    deps = [
+      :live_view_native_stylesheet,
+      :live_view_native_live_form
+    ]
+
+    installed_deps = Mix.Project.deps_tree() |> Map.keys()
+
+    deps
+    |> Enum.reject(fn(dep) -> dep in installed_deps end)
+    |> case do
+      [] -> :noop
+      deps ->
+        msg = """
+        <%= IO.ANSI.red() %><%= IO.ANSI.bright() %>The following dependencies are missing from your application:<%= IO.ANSI.reset() %>
+        <%= for dep <- deps do %>
+        * <%= dep %><% end %>
+
+        These are necessary for LiveView Native that you must install before continuing.
+        """
+        |> compile_string()
+
+        raise msg
+    end
+  end
 end
diff --git a/lib/mix/tasks/lvn.setup.ex b/lib/mix/tasks/lvn.setup.ex
index 4e4b498..d9a16a3 100644
--- a/lib/mix/tasks/lvn.setup.ex
+++ b/lib/mix/tasks/lvn.setup.ex
@@ -1,8 +1,8 @@
 defmodule Mix.Tasks.Lvn.Setup do
   use Mix.Task
 
-  import Mix.LiveViewNative.Context, only: [
-    compile_string: 1
+  import Mix.LiveViewNative, only: [
+    detect_necessary_deps: 0
   ]
 
   @shortdoc "Prints LiveView Native Setup information"
@@ -22,20 +22,7 @@ defmodule Mix.Tasks.Lvn.Setup do
       )
     end
 
-    detect_recommended_deps()
-    |> case do
-      [] -> :noop
-      deps ->
-        """
-        <%= IO.ANSI.red() %><%= IO.ANSI.bright() %>The following dependencies are missing from your application:<%= IO.ANSI.reset() %>
-        <%= for dep <- deps do %>
-        * <%= dep %><% end %>
-
-        While not necessary it is highly recommended that you install them before continuing.
-        """
-        |> compile_string()
-        |> Mix.shell.info()
-    end
+    detect_necessary_deps()
 
     """
     To setup your application with LiveView Native run:
@@ -45,15 +32,4 @@ defmodule Mix.Tasks.Lvn.Setup do
     """
     |> Mix.shell().info()
   end
-
-  defp detect_recommended_deps() do
-    deps = [
-      :live_view_native_stylesheet,
-      :live_view_native_live_form
-    ]
-
-    installed_deps = Mix.Project.deps_tree() |> Map.keys()
-
-    Enum.reject(deps, fn(dep) -> dep in installed_deps end)
-  end
 end