perf: make noice a bit more robust when exiting to prevent possible d…

…elays on exit

lua/noice/message/router.lua

@@ -142,7 +142,7 @@ function M.get_views()
 end
 
 function M.update()
-  if vim.v.exiting ~= vim.NIL then
+  if Util.is_exiting() then
     return
   end
 

lua/noice/ui/init.lua

@@ -72,6 +72,10 @@ function M.enable()
 
   ---@diagnostic disable-next-line: redundant-parameter
   vim.ui_attach(Config.ns, options, function(event, kind, ...)
+    if Util.is_exiting() then
+      return true
+    end
+
     local handler = M.get_handler(event, kind, ...)
 
     if not handler then

lua/noice/util/hacks.lua

@@ -268,9 +268,9 @@ end
 
 function M.show_cursor()
   if M._guicursor then
-    if vim.v.exiting == vim.NIL then
+    if not Util.is_exiting() then
       vim.schedule(function()
-        if M._guicursor and vim.v.exiting == vim.NIL then
+        if M._guicursor and not Util.is_exiting() then
           -- we need to reset all first and then wait for some time before resetting the guicursor. See #114
           vim.go.guicursor = "a:"
           vim.cmd.redrawstatus()

lua/noice/util/init.lua

@@ -88,6 +88,9 @@ function M.interval(ms, fn, opts)
   local T = {}
 
   function T.keep()
+    if M.is_exiting() then
+      return false
+    end
     return opts.enabled == nil or opts.enabled()
   end
 
@@ -302,6 +305,10 @@ function M.read_file(file)
   return data
 end
 
+function M.is_exiting()
+  return vim.v.exiting ~= vim.NIL
+end
+
 function M.write_file(file, data)
   local fd = io.open(file, "w+")
   if not fd then