Revert "allow decoding url-safe base64 space and slash"

This reverts commit 767070ece98af730d110e4905aa454db6a4a9a4c.

diff --git a/index.js b/index.js
index a9a9b5dfb9ecf92032b67a505d2ee380b5250ad7..1aa5acc1a8d0f2f62bc53b404fa98921ff2ffccb 100644 (file)
--- a/index.js
+++ b/index.js
@@ -1146,8 +1146,6 @@ var INVALID_BASE64_RE = /[^+\/0-9A-z\-]/g
 function base64clean (str) {
   // Node strips out invalid characters like \n and \t from the string, base64-js does not
   str = stringtrim(str).replace(INVALID_BASE64_RE, '')
-  // replace url-safe space and slash
-  str = str.replace(/-/g, '+').replace(/_/g, '/')
   // Node converts strings with length < 2 to ''
   if (str.length < 2) return ''
   // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not