From 40dcf09aaf6339e0ff7d67f45076a6f12d4802eb Mon Sep 17 00:00:00 2001
From: Anton Strogonoff <anton@strogonoff.name>
Date: Mon, 29 Nov 2021 02:58:33 +0100
Subject: [PATCH] chore(download): report unparseable response JSON

---
 src/download.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/download.ts b/src/download.ts
index 8af9436..0388dab 100644
--- a/src/download.ts
+++ b/src/download.ts
@@ -59,7 +59,13 @@ export default async function downloadBlobFromPointer(
     body: [Buffer.from(JSON.stringify(lfsInfoRequestData))],
   });
 
-  const lfsInfoResponseData = JSON.parse((await bodyToBuffer(lfsInfoBody)).toString());
+  const lfsInfoResponseRaw = (await bodyToBuffer(lfsInfoBody)).toString();
+  let lfsInfoResponseData: any;
+  try {
+    lfsInfoResponseData = JSON.parse(lfsInfoResponseRaw);
+  } catch (e) {
+    throw new Error(`Unexpected structure received from LFS server: unable to parse JSON ${lfsInfoResponseRaw}`);
+  }
 
   if (isValidLFSInfoResponseData(lfsInfoResponseData)) {