feat: improved UX for parallel graph execution

src/render/mod.rs

@@ -17,7 +17,11 @@ pub async fn render_stream(
     rx: UnboundedReceiver<SseEvent>,
     app: &AppConfig,
     abort_signal: AbortSignal,
+    silent: bool,
 ) -> Result<()> {
+    if silent {
+        return drain_silently(rx, &abort_signal).await;
+    }
     let ret = if *IS_STDOUT_TERMINAL && app.highlight {
         let render_options = app.render_options()?;
         let mut render = MarkdownRender::init(render_options)?;
@@ -28,6 +32,22 @@ pub async fn render_stream(
     ret.map_err(|err| err.context("Failed to reader stream"))
 }
 
+async fn drain_silently(
+    mut rx: UnboundedReceiver<SseEvent>,
+    abort_signal: &AbortSignal,
+) -> Result<()> {
+    loop {
+        if abort_signal.aborted() {
+            break;
+        }
+        match rx.recv().await {
+            Some(SseEvent::Done) | None => break,
+            Some(SseEvent::Text(_)) => {}
+        }
+    }
+    Ok(())
+}
+
 pub fn render_error(err: anyhow::Error) {
     eprintln!("{}", error_text(&pretty_error(&err)));
 }