From 592ed36c323077924662dd7d4db7b36b74fac6d1 Mon Sep 17 00:00:00 2001
From: monster860 <mnmaxim@gmail.com>
Date: Thu, 23 Dec 2021 14:03:34 -0500
Subject: [PATCH] Fix behavior of BlobDataItem.slice()

---
 from.js | 2 +-
 test.js | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/from.js b/from.js
index 430b071..477dbfd 100644
--- a/from.js
+++ b/from.js
@@ -80,7 +80,7 @@ class BlobDataItem {
       path: this.#path,
       lastModified: this.lastModified,
       size: end - start,
-      start
+      start: this.#start + start
     })
   }
 
diff --git a/test.js b/test.js
index a2968fc..e913734 100644
--- a/test.js
+++ b/test.js
@@ -211,6 +211,7 @@ test('blob part backed up by filesystem', async t => {
   const blob = blobFromSync('./LICENSE')
   t.is(await blob.slice(0, 3).text(), license.slice(0, 3))
   t.is(await blob.slice(4, 11).text(), license.slice(4, 11))
+  t.is(await blob.slice(4, 11).slice(2, 5).text(), license.slice(4, 11).slice(2, 5))
 })
 
 test('Reading after modified should fail', async t => {