From 948798487a8a08a8acdaa8c2ce692232870ca9c4 Mon Sep 17 00:00:00 2001
From: Jack Wilkinson <me@jackwilky.com>
Date: Sun, 14 Aug 2022 18:22:21 +0100
Subject: [PATCH] Added tailwind:plugin command

---
 Plugin.php                 |   3 +
 console/TailwindPlugin.php | 133 +++++++++++++++++++++++++++++++++++++
 2 files changed, 136 insertions(+)
 create mode 100644 console/TailwindPlugin.php

diff --git a/Plugin.php b/Plugin.php
index 838a317..32ae238 100644
--- a/Plugin.php
+++ b/Plugin.php
@@ -14,6 +14,7 @@
 use System\Controllers\Settings as SettingsController;
 use Backend\Controllers\Preferences as PreferencesController;
 use Backend\Models\Preference as PreferenceModel;
+use Winter\TailwindUI\Console\TailwindPlugin;
 
 /**
  * TailwindUI Plugin Information File
@@ -49,6 +50,8 @@ public function boot()
             $this->extendBrandSettingsForm();
             $this->extendBackendAuthController();
         }
+
+        $this->registerConsoleCommand('tailwindui.plugin', TailwindPlugin::class);
     }
 
     /**
diff --git a/console/TailwindPlugin.php b/console/TailwindPlugin.php
new file mode 100644
index 0000000..bb686ca
--- /dev/null
+++ b/console/TailwindPlugin.php
@@ -0,0 +1,133 @@
+<?php
+
+namespace Winter\TailwindUI\Console;
+
+use File;
+use Illuminate\Console\Command;
+use System\Classes\PluginManager;
+use Illuminate\Support\Facades\Artisan;
+
+class TailwindPlugin extends Command
+{
+    /**
+     * @var string|null The default command name for lazy loading.
+     */
+    protected static $defaultName = 'tailwind:plugin';
+
+    /**
+     * @var string The name and signature of this command.
+     */
+    protected $signature = 'tailwind:plugin
+        {plugin : Defines plugin to compile tailwind assets}
+        {webpackArgs?* : Arguments to pass through to the Webpack CLI}';
+
+    /**
+     * @var string The console command description.
+     */
+    protected $description = 'Compile plugin tailwind css';
+
+    protected ?string $config = null;
+    protected ?string $original = null;
+    protected ?string $backendCss = null;
+
+    public function __construct()
+    {
+        parent::__construct();
+
+        $dir = plugins_path('winter/tailwindui');
+
+        $this->config = $dir . '/tailwind.config.js';
+        $this->original = $dir . '/tailwind.original.config.js';
+        $this->backendCss = $dir . '/assets/css/dist/backend.css';
+    }
+
+    public function __destruct()
+    {
+        if (File::exists($this->config) && File::exists($this->original)) {
+            File::delete($this->config);
+            File::move($this->original, $this->config);
+        }
+
+        if (File::exists($this->backendCss) && File::exists($this->backendCss . '.original')) {
+            File::delete($this->backendCss);
+            File::move($this->backendCss . '.original', $this->backendCss);
+        }
+    }
+
+    /**
+     * Execute the console command.
+     * @return int
+     */
+    public function handle(): int
+    {
+        $plugin = PluginManager::instance()->findByIdentifier($this->argument('plugin'));
+
+        if (!$plugin) {
+            throw new \InvalidArgumentException(sprintf('Plugin `%s` not found', $this->argument('plugin')));
+        }
+
+        $pluginConfig = $plugin->getPluginPath() . '/tailwind.config.js';
+
+        if (!File::exists($pluginConfig)) {
+            throw new \RuntimeException('Unable to locate plugin tailwind config');
+        }
+
+        File::move($this->config, $this->original);
+
+        $this->copyFileWithRelativePathResolution($pluginConfig, $this->config);
+
+        File::copy($this->backendCss, $this->backendCss . '.original');
+
+        $this->mix();
+
+        // find all css rules in the original
+        $data = $this->diff(File::get($this->backendCss . '.original'), File::get($this->backendCss));
+
+        $out = $plugin->getPluginPath() . '/assets/dist/css';
+
+        if (!File::exists($out)) {
+            File::makeDirectory($out);
+        }
+
+        File::put($out . '/backend.css', $data);
+
+        return 0;
+    }
+
+    public function copyFileWithRelativePathResolution(string $file, string $path): bool
+    {
+        $data = File::get($file);
+
+        // replace ./ paths
+        $data = preg_replace('/(\s|\(|\[)?("|\')?\.\//', '$1$2' . dirname($file) . '/', $data);
+        // replace root config import
+        $data = preg_replace(
+            '/(\'|")(.*?)\/winter\/tailwindui\/tailwind\.config\.js(\'|")/',
+            '"./tailwind.original.config.js"',
+            $data
+        );
+
+        return File::put($path, $data);
+    }
+
+    public function diff(string $a, string $b): string
+    {
+        preg_match_all('/((.*?){(.*?)})/', $a, $matches);
+        $matches = $matches[1];
+
+        foreach ($matches as $match) {
+            $b = str_replace($match, '', $b);
+        }
+
+        return $b;
+    }
+
+    public function mix(): int
+    {
+        $webpackArgs = $this->argument('webpackArgs')
+            ? ' -- ' . implode(' ', $this->argument('webpackArgs'))
+            : '';
+
+        return Artisan::call('mix:compile --package winter.tailwindui --production' . $webpackArgs);
+    }
+}