From 497f2a793634b4d6a0344f4e4a1ab5a9101c15d3 Mon Sep 17 00:00:00 2001
From: John Lees-Miller <jdleesmiller@gmail.com>
Date: Fri, 15 May 2020 11:07:08 +0100
Subject: [PATCH] Make tag check stricter and use a map

---
 libraries/o-error/index.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/libraries/o-error/index.js b/libraries/o-error/index.js
index fce23de2e0..1184fcfe35 100644
--- a/libraries/o-error/index.js
+++ b/libraries/o-error/index.js
@@ -108,10 +108,8 @@ class OError extends Error {
 
     let stack = oError.stack
 
-    if (oError._oErrorTags) {
-      for (const tag of oError._oErrorTags) {
-        stack += `\n${tag.stack}`
-      }
+    if (Array.isArray(oError._oErrorTags) && oError._oErrorTags.length) {
+      stack += `\n${oError._oErrorTags.map((tag) => tag.stack).join('\n')}`
     }
 
     const causeStack = oError.cause && OError.getFullStack(oError.cause)