fix stdin handling for the tw watcher (#4119)

packages/cli/src/serve/mod.rs

@@ -203,7 +203,7 @@ pub(crate) async fn serve_all(args: ServeArgs, tracer: &mut TraceController) ->
             }
 
             ServeUpdate::Exit { error } => {
-                _ = builder.cleanup_all().await;
+                _ = builder.shutdown().await;
                 _ = devserver.shutdown().await;
 
                 match error {

packages/cli/src/serve/runner.rs

@@ -74,7 +74,7 @@ pub(crate) struct AppServer {
     pub(crate) cross_origin_policy: bool,
 
     // Additional plugin-type tools
-    pub(crate) _tw_watcher: tokio::task::JoinHandle<Result<()>>,
+    pub(crate) tw_watcher: tokio::task::JoinHandle<Result<()>>,
 }
 
 pub(crate) struct CachedFile {
@@ -186,7 +186,7 @@ impl AppServer {
             _force_sequential: force_sequential,
             cross_origin_policy,
             fullstack,
-            _tw_watcher: tw_watcher,
+            tw_watcher,
         };
 
         // Only register the hot-reload stuff if we're watching the filesystem
@@ -564,7 +564,7 @@ impl AppServer {
     }
 
     /// Shutdown all the running processes
-    pub(crate) async fn cleanup_all(&mut self) -> Result<()> {
+    pub(crate) async fn shutdown(&mut self) -> Result<()> {
         self.client.soft_kill().await;
 
         if let Some(server) = self.server.as_mut() {
@@ -588,6 +588,9 @@ impl AppServer {
             }
         }
 
+        // force the tailwind watcher to stop - if we don't, it eats our stdin
+        self.tw_watcher.abort();
+
         Ok(())
     }