From d79646f70e9e7f72a49eff7e4cacdf73fb07e7a3 Mon Sep 17 00:00:00 2001
From: Orgad Shaneh <orgad.shaneh@audiocodes.com>
Date: Thu, 13 Jun 2024 16:07:38 +0300
Subject: [PATCH] fix: Fix potential exception when there is no response

Not sure it can happen in real life, but be on the safe side.
---
 src/index.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index cba1f3b..003dcfe 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -230,7 +230,10 @@ async function onError(instance: AxiosInstance, error: AxiosError) {
 	const onBackoffPromise = new Promise((resolve, reject) => {
 		let delay = 0;
 		// If enabled, check for 'Retry-After' header in response to use as delay
-		if (config.checkRetryAfter && axiosError.response?.headers['retry-after']) {
+		if (
+			config.checkRetryAfter &&
+			axiosError.response?.headers?.['retry-after']
+		) {
 			const retryAfter = parseRetryAfter(
 				axiosError.response.headers['retry-after'] as string,
 			);