From 4d12c7c3cf74a9903dc2a72bde19d94e800f505f Mon Sep 17 00:00:00 2001
From: Daichi Takamiya <data0x200@gmail.com>
Date: Wed, 2 Jun 2021 10:48:21 +0900
Subject: [PATCH] Fix empty command cause panic

---
 helix-term/src/commands.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 3dba9333..6465241f 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -1031,6 +1031,9 @@ pub fn command_mode(cx: &mut Context) {
             }
 
             let parts = input.split_ascii_whitespace().collect::<Vec<&str>>();
+            if parts.is_empty() {
+                return;
+            }
 
             if let Some(cmd) = cmd::COMMANDS.get(parts[0]) {
                 (cmd.fun)(editor, &parts[1..], event);