From 4c57eb5bdab1e1e0e3ff6bc2faec7e201e3ae08d Mon Sep 17 00:00:00 2001
From: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Wed, 10 Mar 2021 07:44:56 -0800
Subject: [PATCH] Check for the status of LSP server channel before sending a
 message

---
 autoload/lspserver.vim | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/autoload/lspserver.vim b/autoload/lspserver.vim
index e8942a6..cae1d2c 100644
--- a/autoload/lspserver.vim
+++ b/autoload/lspserver.vim
@@ -237,6 +237,10 @@ def s:sendMessage(lspserver: dict<any>, content: dict<any>): void
   var payload_js: string = content->json_encode()
   var msg = "Content-Length: " .. payload_js->len() .. "\r\n\r\n"
   var ch = lspserver.job->job_getchannel()
+  if ch_status(ch) != 'open'
+    # LSP server has exited
+    return
+  endif
   ch->ch_sendraw(msg)
   ch->ch_sendraw(payload_js)
 enddef
-- 
2.48.1