From 3353fac4f74ad02e73ccb28de00c5b451b9e0c45 Mon Sep 17 00:00:00 2001
From: Perry Mitchell <perry@perrymitchell.net>
Date: Thu, 28 Oct 2021 14:46:37 +0300
Subject: [PATCH] Add error codes

---
 index.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index 6471d67..a756c75 100644
--- a/index.js
+++ b/index.js
@@ -17,17 +17,23 @@ const handleIpRouteResults = (callback) => (error, stdout, stderr) => {
         if (ip) {
             callback(undefined, ip);
         } else {
-            callback(new Error("Unable to find ip, perhaps call while not within a Docker container"), undefined);
+            const error = new Error("Unable to find ip, perhaps call while not within a Docker container");
+            error.code = "DOCKER_IP_NO_RESOLVE";
+            callback(error, undefined);
         }        
     } else if (error) {
         
         callback(error, undefined);
     } else if (stderr) {
 
-        callback(new Error(stderr), undefined);
+        const error = new Error(stderr);
+        error.code = "DOCKER_IP_STDERR";
+        callback(error, undefined);
     } else {
 
-        callback(new Error("No results or feedback given"), undefined);
+        const error = new Error("No results or feedback given");
+        error.code = "DOCKER_IP_EMPTY";
+        callback(error, undefined);
     }
 };