fix panic when view of pending write is closed

1 files changed, 18 insertions, 0 deletions

diff --git a/helix-term/src/compositor.rs b/helix-term/src/compositor.rs
index c0898dae..6ef77341 100644
--- a/helix-term/src/compositor.rs
+++ b/helix-term/src/compositor.rs
@@ -27,6 +27,24 @@ pub struct Context<'a> {
     pub jobs: &'a mut Jobs,
 }
 
+impl<'a> Context<'a> {
+    /// Waits on all pending jobs, and then tries to flush all pending write
+    /// operations for the current document.
+    pub fn block_try_flush_writes(&mut self) -> anyhow::Result<()> {
+        tokio::task::block_in_place(|| {
+            helix_lsp::block_on(self.jobs.finish(Some(self.editor), None))
+        })?;
+
+        let doc = doc_mut!(self.editor);
+
+        tokio::task::block_in_place(|| helix_lsp::block_on(doc.try_flush_saves()))
+            .map(|result| result.map(|_| ()))
+            .unwrap_or(Ok(()))?;
+
+        Ok(())
+    }
+}
+
 pub trait Component: Any + AnyComponent {
     /// Process input events, return true if handled.
     fn handle_event(&mut self, _event: &Event, _ctx: &mut Context) -> EventResult {