From: Feross Aboukhadijeh <feross@feross.org>
Date: Sat, 28 Dec 2013 05:59:24 +0000 (-0800)
Subject: Prevent unneeded slice() when calling toString('base64')
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=57956a92332473b423567608fc5bb8301a9cfa6e;p=buffer.git

Prevent unneeded slice() when calling toString('base64')
---

diff --git a/index.js b/index.js
index ce7e854..cd81b82 100644
--- a/index.js
+++ b/index.js
@@ -359,8 +359,11 @@ function BufferCopy (target, target_start, start, end) {
 }
 
 function _base64Slice (buf, start, end) {
-  var bytes = buf.slice(start, end)
-  return base64.fromByteArray(bytes)
+  if (start === 0 && end === buf.length) {
+    return base64.fromByteArray(buf)
+  } else {
+    return base64.fromByteArray(buf.slice(start, end))
+  }
 }
 
 function _utf8Slice (buf, start, end) {