From 22d18a99804606715c8c987c8043a942f5924caa Mon Sep 17 00:00:00 2001
From: rafapaezbas <rafaelpaezbastida@gmail.com>
Date: Fri, 26 Dec 2025 14:27:07 +0100
Subject: [PATCH 1/2] avoid unrequested eager downloads on downloadDiff and
 downloadRange

---
 lib/download.js | 12 +++++++-----
 test.js         |  2 +-
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/lib/download.js b/lib/download.js
index 9202601..0a31c23 100644
--- a/lib/download.js
+++ b/lib/download.js
@@ -37,12 +37,14 @@ module.exports = class Download extends ReadyResource {
       // ignore
     }
 
-    for await (const entry of drive.list(this.folder, this.options)) {
-      const b = entry.value.blob
-      if (!b) continue
+    if (this.folder) {
+      for await (const entry of drive.list(this.folder, this.options)) {
+        const b = entry.value.blob
+        if (!b) continue
 
-      const blobs = await drive.getBlobs()
-      this.downloads.push(blobs.core.download({ start: b.blockOffset, length: b.blockLength }))
+        const blobs = await drive.getBlobs()
+        this.downloads.push(blobs.core.download({ start: b.blockOffset, length: b.blockLength }))
+      }
     }
   }
 
diff --git a/test.js b/test.js
index 6ddaeea..083945d 100644
--- a/test.js
+++ b/test.js
@@ -806,7 +806,7 @@ test('drive.downloadDiff(version, folder, [options])', async (t) => {
   await mirror.drive.get('/parent/child/1')
 
   t.is(filescount, filestelem.count)
-  t.is(blobscount, blobstelem.count)
+  t.is(blobscount + 1, blobstelem.count)
 
   await drive.put('/parent/child/2', nil)
 

From 4e91bba96ab3cc69cc3a7d7be3504575ee38f8f9 Mon Sep 17 00:00:00 2001
From: rafapaezbas <rafaelpaezbastida@gmail.com>
Date: Wed, 31 Dec 2025 13:17:23 +0100
Subject: [PATCH 2/2] explicit check of null in download folder

---
 index.js        | 6 +++---
 lib/download.js | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index 3b96470..d181e27 100644
--- a/index.js
+++ b/index.js
@@ -430,7 +430,7 @@ module.exports = class Hyperdrive extends ReadyResource {
       dls.push(blobs.core.download({ start: b.blockOffset, length: b.blockLength }))
     }
 
-    return new Download(this, undefined, { downloads: dls })
+    return new Download(this, null, { downloads: dls })
   }
 
   async downloadRange(dbRanges, blobRanges) {
@@ -448,7 +448,7 @@ module.exports = class Hyperdrive extends ReadyResource {
       dls.push(blobs.core.download(range))
     }
 
-    return new Download(this, undefined, { downloads: dls })
+    return new Download(this, null, { downloads: dls })
   }
 
   entries(range, opts) {
@@ -482,7 +482,7 @@ module.exports = class Hyperdrive extends ReadyResource {
 
   // atm always recursive, but we should add some depth thing to it
   list(folder, opts = {}) {
-    if (typeof folder === 'object') return this.list(undefined, folder)
+    if (typeof folder === 'object' && folder !== null) return this.list(undefined, folder)
 
     folder = std(folder || '/', true)
 
diff --git a/lib/download.js b/lib/download.js
index 0a31c23..6febf28 100644
--- a/lib/download.js
+++ b/lib/download.js
@@ -37,7 +37,7 @@ module.exports = class Download extends ReadyResource {
       // ignore
     }
 
-    if (this.folder) {
+    if (this.folder !== null) {
       for await (const entry of drive.list(this.folder, this.options)) {
         const b = entry.value.blob
         if (!b) continue