From b7685540631d2eda72648a6bbae15a2e3bf5585e Mon Sep 17 00:00:00 2001
From: Boris Tomic <16724532+boristomic@users.noreply.github.com>
Date: Mon, 4 Dec 2023 15:02:49 +0100
Subject: [PATCH] chore: ensure headers are case insensitive

Signed-off-by: Boris Tomic <16724532+boristomic@users.noreply.github.com>
---
 src/wrapper.ts | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/wrapper.ts b/src/wrapper.ts
index 159209c..8eb2375 100644
--- a/src/wrapper.ts
+++ b/src/wrapper.ts
@@ -155,8 +155,16 @@ export class RequestWrapper {
   }
 
   private isJsonResponse<T extends TransformedResponse | AxiosResponse>(response: T) {
-    return response.headers['content-type'] &&
-      response.headers['content-type'].indexOf('application/json') !== -1;
+    let headers: RawAxiosResponseHeaders | AxiosResponseHeaders = {};
+    Object.assign(headers, response.headers);
+    headers = Object.entries(response.headers)
+      .reduce((acc: RawAxiosResponseHeaders | AxiosResponseHeaders, [key, val]) => {
+        acc[key.toLowerCase()] = val.toLowerCase();
+        return acc;
+      }, ({}));
+
+    return headers['content-type'] &&
+      headers['content-type'].indexOf('application/json') !== -1;
   }
 
   private getLogParameters(extraParametersToLog = {}) {