Optimized FswatchDriver which don't restart server by empty reading. (#6686)

Author: guandeng

publish/watcher.php

@@ -19,4 +19,5 @@
         'file' => ['.env'],
         'scan_interval' => 2000,
     ],
+    'ext' => ['.php', '.env'],
 ];

src/Driver/FswatchDriver.php

@@ -44,16 +44,16 @@ public function watch(Channel $channel): void
 
         while (! $channel->isClosing()) {
             $ret = fread($pipes[1], 8192);
-            Coroutine::create(function () use ($ret, $channel) {
-                if (is_string($ret)) {
+            if (is_string($ret) && $ret !== '') {
+                Coroutine::create(function () use ($ret, $channel) {
                     $files = array_filter(explode("\n", $ret));
                     foreach ($files as $file) {
                         if (Str::endsWith($file, $this->option->getExt())) {
                             $channel->push($file);
                         }
                     }
-                }
-            });
+                });
+            }
         }
     }