coditionally require dbg

.luarc.json

@@ -1,7 +1,9 @@
 {
     "$schema": "https://raw.githubusercontent.com/sumneko/vscode-lua/master/setting/schema.json",
+		"Lua.runtime.version": "LuaJIT",
     "Lua.diagnostics.disable": [
-        "undefined-field"
+        "undefined-field",
+        "need-check-nil"
     ],
     "Lua.workspace.library": {
         "../cc-lsp-config": true

dbg.lua

@@ -1,4 +1,3 @@
-
 local dbg_file
 function dbg(...)
 	if dbg_file then

main.lua

@@ -1,6 +1,11 @@
 local ui = require("ui")
 
-require("dbg")("logs.txt")
+do
+	local success, dbg_module = pcall(require, "dbg")
+	if success then
+		dbg_module("logs.txt")
+	end
+end
 
 local function is_inventory(peripheral_name)
 	local types = {peripheral.getType(peripheral_name)}