Make Logger optional (#29)

* Make Logger optional

* Update README

* Fix table

README.md

@@ -10,7 +10,7 @@ This addon will watch for errors, do a little investigation, and send a message
  - 🔎 Shows you the current values of up to 8 local variables in the stack that threw an error (very useful for debugging!)
 
 ## Requirements
- - [gm_logger](https://github.com/CFC-Servers/gm_logger)
+ - [gm_logger](https://github.com/CFC-Servers/gm_logger) _(Optional)_
  - [gm_luaerror](https://github.com/danielga/gm_luaerror)
  - [gmsv_reqwest](https://github.com/WilliamVenner/gmsv_reqwest)
 

moon/autorun/server/cfc_err_fwd.moon

@@ -1,5 +1,4 @@
 require "luaerror"
-require "logger"
 require "reqwest"
 
 timerName = "CFC_ErrorForwarderQueue"
@@ -28,15 +27,29 @@ Config =
         -- cfc_err_forwarder_server_webhook
         server: makeConfig "server_webhook", "", "Discord Webhook URL"
 
+local logger
+if file.Exists "includes/modules/logger.lua", "LUA"
+    require "logger"
+    logger = Logger "ErrorForwarder"
+else
+    log = (...) -> print "[ErrorForwarder]", ...
+    log "GM_Logger not found, using backup logger. Consider installing: github.com/CFC-Servers/gm_logger"
+
+    logger =
+        trace: ->
+        debug: ->
+        info: log
+        warn: log
+        error: log
+
 
-Logger = Logger "ErrorForwarder"
 Discord = discordBuilder Config
-ErrorForwarder = errorForwarder Logger, Discord, Config
+ErrorForwarder = errorForwarder logger, Discord, Config
 
 
 timer.Create timerName, Config.groomInterval\GetInt! or 60, 0, ->
     success, err = pcall ErrorForwarder\groomQueue
-    Logger\error "Groom Queue failed!", err if not success
+    logger\error "Groom Queue failed!", err if not success
 
 cvars.AddChangeCallback "cfc_err_forwarder_interval", (_, _, value) ->
     timer.Adjust timerName, tonumber(value), "UpdateTimer"
@@ -45,4 +58,4 @@ hook.Add "LuaError", "CFC_ServerErrorForwarder", ErrorForwarder\receiveSVError
 hook.Add "ClientLuaError", "CFC_ClientErrorForwarder", ErrorForwarder\receiveCLError
 hook.Add "ShutDown", "CFC_ShutdownErrorForwarder", ErrorForwarder\forwardErrors
 
-Logger\info "Loaded!"
+logger\info "Loaded!"