From 543764c6d2bf76fa6918fc80bc326bde79fe06e5 Mon Sep 17 00:00:00 2001
From: Paul Scharnofske <asynts@gmail.com>
Date: Fri, 7 Oct 2022 17:11:44 +0200
Subject: [PATCH] Don't try to parse the response if it's empty

---
 src/server.js | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/server.js b/src/server.js
index e391e77..ce99bca 100644
--- a/src/server.js
+++ b/src/server.js
@@ -11,13 +11,19 @@ async function spotifyApiRequest(method, path, body = undefined) {
         }),
     });
 
-    let json = await response.json();
-
-    if (json.error?.status === 401 && json.error?.message === "The access token expired") {
-        if (await refreshAccessTokenAsync()) {
-            return spotifyApiRequest(method, path, body);
-        } else {
-            console.log("error: unable to refresh access token")
+    let text = await response.text();
+
+    // We have to be careful here, the server doesn't always return a JSON object.
+    let json = null;
+    if (text.length >= 1) {
+        json = JSON.parse(text);
+
+        if (json.error?.status === 401 && json.error?.message === "The access token expired") {
+            if (await refreshAccessTokenAsync()) {
+                return spotifyApiRequest(method, path, body);
+            } else {
+                console.log("error: unable to refresh access token")
+            }
         }
     }