Finished the command HMR system

Author: CommandString

Bootstrap/Commands.php

@@ -5,7 +5,6 @@
 use Core\Commands\QueuedCommand;
 use Core\Disabled;
 use Core\HMR\HotCommand;
-use React\EventLoop\Loop;
 
 use function Core\discord;
 use function Core\doesClassHaveAttribute;
@@ -31,18 +30,10 @@
     foreach ($commands as $name => &$command) {
         $file = BOT_ROOT . '\\' . $command[0]->handler::class . '.php';
 
-        $command = new HotCommand(
+        new HotCommand(
             $name,
             $command[1],
             $file
         );
     }
-
-    Loop::addTimer(1, static function () use ($commands) {
-        foreach ($commands as $command) {
-            $command->on(HotCommand::EVENT_HAS_CHANGED, static function (HotCommand $command) {
-                $command->reload();
-            });
-        }
-    });
 })->otherwise(static fn (Throwable $e) => $discord->getLogger()->error($e->getMessage()));

Core/HMR/HotCommand.php

@@ -11,34 +11,27 @@ class HotCommand extends EventEmitter
 {
     public const EVENT_RELOAD = 'reload';
 
-    public const EVENT_HAS_CHANGED = 'hasChanged';
-
-    protected int $lastModified;
-
     protected ?HotCache $cachedScript = null;
 
+    protected HotFile $file;
+
     public function __construct(
         public readonly string $name,
         protected readonly RegisteredCommand $command,
-        public readonly string $file
+        public readonly string $filePath
     ) {
-        $this->lastModified = filemtime($file);
+        $this->file = new HotFile($filePath);
 
-        $this->on(self::EVENT_HAS_CHANGED, static function (self $command) {
-            $command->reload();
+        $this->file->on(HotFile::EVENT_HAS_CHANGED, function () {
+            $this->reload();
         });
     }
 
-    public function loadContents(): string
-    {
-        return file_get_contents($this->file);
-    }
-
     protected function createCachedScript(): void
     {
         $className = GeneratorUtils::uuid(8, range('a', 'z'));
         $temp = BOT_ROOT . '/Core/HMR/' . $className . '.php';
-        $contents = preg_replace('/class\s+([a-zA-Z0-9_]+)/', 'class ' . $className, $this->loadContents());
+        $contents = preg_replace('/class\s+([a-zA-Z0-9_]+)/', 'class ' . $className, $this->file->getContents());
         $contents = preg_replace('/namespace\s+([a-zA-Z0-9_\\\\]+)/', 'namespace Core\\HMR\\Cached', $contents);
 
         $this->cachedScript?->deleteCachedFile();

Core/HMR/HotFile.php

@@ -5,26 +5,43 @@
 use Evenement\EventEmitter;
 use React\EventLoop\Loop;
 
+use function Core\discord;
+
 class HotFile extends EventEmitter
 {
     public const EVENT_HAS_CHANGED = 'hasChanged';
 
-    protected int $lastModified;
+    protected string $contents = '';
 
     public function __construct(
         public readonly string $file
     ) {
-        $this->lastModified = filemtime($file);
+        if (!file_exists($file)) {
+            discord()->getLogger()->error("File {$file} does not exist");
+
+            return;
+        }
 
-        Loop::addTimer(1, function () {
-            if ($this->hasChanged()) {
-                $this->emit(self::EVENT_HAS_CHANGED, [$this]);
+        $this->contents = $this->getContents();
+
+        Loop::addPeriodicTimer(1, function () {
+            if (!$this->hasChanged()) {
+                return;
             }
+
+            discord()->getLogger()->debug("File {$this->file} has changed");
+            $this->contents = $this->getContents();
+            $this->emit(self::EVENT_HAS_CHANGED, [$this]);
         });
     }
 
+    public function getContents(): string
+    {
+        return file_get_contents($this->file);
+    }
+
     public function hasChanged(): bool
     {
-        return $this->lastModified !== filemtime($this->file);
+        return $this->contents !== $this->getContents();
     }
 }