Fallback to Tailwind V3, I had to bump a major version

Author: tonysm

config/tailwindcss.php

@@ -39,5 +39,5 @@
      | @see https://github.com/tailwindlabs/tailwindcss/releases to know the version availables.
      |
      */
-    'version' => env('TAILWINDCSS_CLI_VERSION', 'v4.0.0'),
+    'version' => env('TAILWINDCSS_CLI_VERSION', 'v3.4.17'),
 ];

src/Commands/InstallCommand.php

@@ -45,8 +45,8 @@ protected function phpBinary()
     private function ensureTailwindConfigExists()
     {
         $this->copyStubToApp(
-            stub: __DIR__ . '/../../stubs/postcss.config.js',
-            to: base_path('postcss.config.js'),
+            stub: __DIR__ . '/../../stubs/tailwind.config.js',
+            to: base_path('tailwind.config.js'),
         );
 
         if (! File::exists($appCssFilePath = resource_path('css/app.css')) || empty(trim(File::get($appCssFilePath))) || $this->mainCssIsDefault($appCssFilePath)) {
@@ -113,7 +113,7 @@ private function installMiddlewareAfter($after, $name, $group = 'web')
     private function appendTailwindStylesToLayouts()
     {
         $this->existingLayoutFiles()
-            ->each(fn ($file) => File::put(
+            ->each(fn($file) => File::put(
                 $file,
                 (new AppendTailwindTag())(File::get($file)),
             ));
@@ -122,8 +122,8 @@ private function appendTailwindStylesToLayouts()
     private function existingLayoutFiles()
     {
         return collect(['app', 'guest'])
-            ->map(fn ($file) => resource_path("views/layouts/{$file}.blade.php"))
-            ->filter(fn ($file) => File::exists($file));
+            ->map(fn($file) => resource_path("views/layouts/{$file}.blade.php"))
+            ->filter(fn($file) => File::exists($file));
     }
 
     private function installMiddleware(string $middleware)

stubs/postcss.config.js

@@ -1,2 +1,4 @@
-@import "tailwindcss";
+@import "tailwindcss/base";
+@import "tailwindcss/components";
+@import "tailwindcss/utilities";
 

stubs/resources/css/app.css

@@ -0,0 +1,19 @@
+const defaultTheme = require("tailwindcss/defaultTheme");
+
+module.exports = {
+    content: [
+        "./vendor/laravel/framework/src/Illuminate/Pagination/resources/views/*.blade.php",
+        "./vendor/laravel/jetstream/**/*.blade.php",
+        "./storage/framework/views/*.php",
+        "./resources/views/**/*.blade.php",
+        "./resources/js/**/*.js",
+    ],
+    theme: {
+        extend: {
+            fontFamily: {
+                sans: ["Figtree", ...defaultTheme.fontFamily.sans],
+            },
+        },
+    },
+    plugins: [require("@tailwindcss/forms")],
+};