change flag

Author: sumneko

script/global.d.lua

@@ -56,3 +56,7 @@ LOGLEVEL = 'warn'
 
 ---@type boolean
 LAZY = false
+
+-- (experiment) Improve performance, but reduce accuracy
+---@type boolean
+CACHEALIVE = false

script/vm/node.lua

@@ -481,7 +481,7 @@ local delayTimer
 files.watch(function (ev, uri)
     if ev == 'version' then
         if ws.isReady(uri) then
-            if PREVIEW then
+            if CACHEALIVE then
                 if delayTimer then
                     delayTimer:restart()
                 end