From 155bc850b7d3d9dc54b368aa6574fbd75dd0518e Mon Sep 17 00:00:00 2001
From: MissFox0810 <kyle.theviking@gmail.com>
Date: Sat, 7 Sep 2019 03:15:39 +0100
Subject: [PATCH] Add a callback handler to wrapper

Added a callback handler to the appendfile.
---
 wrapper.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/wrapper.js b/wrapper.js
index 3f61a94..752cbee 100644
--- a/wrapper.js
+++ b/wrapper.js
@@ -57,7 +57,9 @@ var poll = function( ) {
                 if (json.Message !== undefined && json.Message.length > 0) {
                     console.log(json.Message);
                     const fs = require("fs");
-                    fs.appendFile("latest.log", "\n" + json.Message);
+                    fs.appendFile("latest.log", "\n" + json.Message, (err) => {
+                        if (err) console.log("Callback error in appendFile:"+err);
+                    });
                 }
             } else {
                 console.log("Error: Invalid JSON received");