From 93c6a337c4f139ce620257fef79f66cf48516d5c Mon Sep 17 00:00:00 2001
From: Michael Davis <mcarsondavis@gmail.com>
Date: Wed, 31 Aug 2022 11:20:55 -0500
Subject: [PATCH] Avoid command execution hooks on closed docs (#3613)

Fixes a panic with a config like:

    [keys.normal.space]
    x = [":buffer-close"]

by bailing out of the command-execution handling if the document
doesn't exist after handling a command.
---
 helix-term/src/ui/editor.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 2de5fe5c9..f4e2d13e3 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -781,7 +781,10 @@ impl EditorView {
 
         let mut execute_command = |command: &commands::MappableCommand| {
             command.execute(cxt);
-            let doc = cxt.editor.documents.get_mut(&doc_id).unwrap();
+            let doc = match cxt.editor.documents.get(&doc_id) {
+                Some(doc) => doc,
+                None => return,
+            };
             let current_mode = doc.mode();
             match (last_mode, current_mode) {
                 (Mode::Normal, Mode::Insert) => {